Merge pull request #3067 from MichaelDvP/core3

core3 fix for #3064

.github/workflows/dev_release.yml

@@ -28,7 +28,7 @@ jobs:
           node-version: 24
 
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
   
       - name: Enable Corepack
         run: corepack enable pnpm
@@ -62,13 +62,13 @@ jobs:
           platformio run
 
       - name: Commit the generated files
-        uses: stefanzweifel/git-auto-commit-action@v5
+        uses: stefanzweifel/git-auto-commit-action@v7
         with:
           commit_message: "chore: update generated files for v${{steps.build_info.outputs.VERSION}}"
 
       - name: Create GitHub Release
         id: 'automatic_releases'
-        uses: emsesp/action-automatic-releases@v1.0.0
+        uses: emsesp/action-automatic-releases@v1.0.1
         with:
           repo_token: '${{ secrets.GITHUB_TOKEN }}'
           title: Development Build v${{steps.build_info.outputs.VERSION}}
@@ -77,3 +77,23 @@ jobs:
           files: |
             CHANGELOG_LATEST.md
             ./build/firmware/*.*
+
+      - name: Update version in Cloudflare KV store
+        if: github.repository == 'emsesp/EMS-ESP32'
+        env:
+          CF_ACCOUNT_ID: ${{ secrets.CF_ACCOUNT_ID }}
+          CF_NAMESPACE_ID: ${{ secrets.CF_NAMESPACE_ID }}
+          CF_API_TOKEN: ${{ secrets.CF_API_TOKEN }}
+          VERSION: ${{ steps.build_info.outputs.VERSION }}
+        run: |
+          JSON_DATA=$(jq -n \
+            --arg version "$VERSION" \
+            --arg date "$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
+            '{version: $version, date: $date}')
+          echo "JSON_DATA: $JSON_DATA"
+          curl -sS --fail-with-body \
+            -X PUT "https://api.cloudflare.com/client/v4/accounts/${CF_ACCOUNT_ID}/storage/kv/namespaces/${CF_NAMESPACE_ID}/values/dev" \
+            -H "Authorization: Bearer ${CF_API_TOKEN}" \
+            -H "Content-Type: application/json" \
+            -d "$JSON_DATA"
+          echo

.github/workflows/github-releases-to-discord.yml

@@ -11,7 +11,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         
       - name: GitHub Releases To Discord
         uses: SethCohen/github-releases-to-discord@v1.13.1

.github/workflows/pr_check.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install python 3.13
         uses: actions/setup-python@v6

.github/workflows/sonar_check.yml

@@ -19,7 +19,7 @@ jobs:
       BUILD_WRAPPER_OUT_DIR: bw-output
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Install Build Wrapper

.github/workflows/stable_release.yml

@@ -26,11 +26,18 @@ jobs:
           node-version: 24
 
       - name: Checkout repository
-        uses: actions/checkout@v5
-  
+        uses: actions/checkout@v6
+
       - name: Enable Corepack
         run: corepack enable pnpm
 
+
+      - name: Get the EMS-ESP version
+        id: build_info
+        run: |
+          version=`grep -E '^#define EMSESP_APP_VERSION' ./src/emsesp_version.h | awk -F'"' '{print $2}'`
+          echo "VERSION=$version" >> $GITHUB_OUTPUT
+
       - name: Install PlatformIO
         run: |
           python -m pip install --upgrade pip
@@ -54,10 +61,30 @@ jobs:
           platformio run
 
       - name: Create GitHub Release
-        uses: emsesp/action-automatic-releases@v1.0.0
+        uses: emsesp/action-automatic-releases@v1.0.1
         with:
           repo_token: '${{ secrets.GITHUB_TOKEN }}'
           prerelease: false
           files: |
             CHANGELOG.md
             ./build/firmware/*.*
+
+      - name: Update version in Cloudflare KV store
+        if: github.repository == 'emsesp/EMS-ESP32'
+        env:
+          CF_ACCOUNT_ID: ${{ secrets.CF_ACCOUNT_ID }}
+          CF_NAMESPACE_ID: ${{ secrets.CF_NAMESPACE_ID }}
+          CF_API_TOKEN: ${{ secrets.CF_API_TOKEN }}
+          VERSION: ${{ steps.build_info.outputs.VERSION }}
+        run: |
+          JSON_DATA=$(jq -n \
+            --arg version "$VERSION" \
+            --arg date "$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
+            '{version: $version, date: $date}')
+          echo "JSON_DATA: $JSON_DATA"
+          curl -sS --fail-with-body \
+            -X PUT "https://api.cloudflare.com/client/v4/accounts/${CF_ACCOUNT_ID}/storage/kv/namespaces/${CF_NAMESPACE_ID}/values/stable" \
+            -H "Authorization: Bearer ${CF_API_TOKEN}" \
+            -H "Content-Type: application/json" \
+            -d "$JSON_DATA"
+          echo

.github/workflows/test_release.yml

@@ -28,7 +28,7 @@ jobs:
           node-version: 24
 
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Enable Corepack
         run: corepack enable pnpm
@@ -63,7 +63,7 @@ jobs:
 
       - name: Create GitHub Release
         id: 'automatic_releases'
-        uses: emsesp/action-automatic-releases@v1.0.0
+        uses: emsesp/action-automatic-releases@v1.0.1
         with:
           repo_token: '${{ secrets.GITHUB_TOKEN }}'
           title: Test Build v${{steps.build_info.outputs.VERSION}}

.github/workflows/update_versions.yml

@@ -0,0 +1,40 @@
+name: 'Update versions'
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  update-version:
+    name: 'Update versions in Cloudflare KV store'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v6
+
+      - name: Get and Send EMS-ESP version to Cloudflare
+        env:
+          CF_ACCOUNT_ID: ${{ secrets.CF_ACCOUNT_ID }}
+          CF_NAMESPACE_ID: ${{ secrets.CF_NAMESPACE_ID }}
+          CF_API_TOKEN: ${{ secrets.CF_API_TOKEN }}
+        run: |
+          version=$(grep -E '^#define EMSESP_APP_VERSION' ./src/emsesp_version.h | awk -F'"' '{print $2}')
+          if [ "$GITHUB_REF" = "refs/heads/main" ]; then
+            KV_ENV="stable"
+          else
+            KV_ENV="dev"
+          fi
+          JSON_DATA=$(jq -n \
+            --arg version "$version" \
+            --arg date "$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
+            '{version: $version, date: $date}')
+          echo "KV_ENV: $KV_ENV"
+          echo "JSON_DATA: $JSON_DATA"
+          curl -sS --fail-with-body \
+            -X PUT "https://api.cloudflare.com/client/v4/accounts/${CF_ACCOUNT_ID}/storage/kv/namespaces/${CF_NAMESPACE_ID}/values/${KV_ENV}" \
+            -H "Authorization: Bearer ${CF_API_TOKEN}" \
+            -H "Content-Type: application/json" \
+            -d "$JSON_DATA"
+          echo

.gitignore

@@ -2,6 +2,7 @@
 .vscode/c_cpp_properties.json
 .vscode/extensions.json
 .vscode/launch.json
+.vscode/settings.json
 
 # c++ compiling
 .clang_complete
@@ -63,7 +64,7 @@ words-found-verbose.txt
 # sonarlint
 compile_commands.json
 
-# pioarduino + hybrid
+# other files
 managed_components
 dependencies.lock
 CMakeLists.txt
@@ -75,3 +76,4 @@ pnpm-lock.yaml
 .cache/
 interface/.tsbuildinfo
 test/test_api/package-lock.json
+.clangd

.vscode/settings.json

@@ -1,101 +0,0 @@
-{
-    "search.exclude": {
-      "**/.yarn": true,
-      "**/.pnp.*": true
-    },
-    "editor.codeActionsOnSave": {
-      "source.fixAll": "explicit"
-    },
-    "eslint.validate": [
-      "typescript"
-    ],
-    "eslint.codeActionsOnSave.rules": null,
-    "eslint.nodePath": "interface/.yarn/sdks",
-    "eslint.workingDirectories": ["interface"],
-    "prettier.prettierPath": "",
-    "typescript.enablePromptUseWorkspaceTsdk": true,
-    "files.associations": {
-      "*.tsx": "typescriptreact",
-      "*.tcc": "cpp",
-      "optional": "cpp",
-      "istream": "cpp",
-      "ostream": "cpp",
-      "ratio": "cpp",
-      "system_error": "cpp",
-      "array": "cpp",
-      "functional": "cpp",
-      "regex": "cpp",
-      "tuple": "cpp",
-      "type_traits": "cpp",
-      "utility": "cpp",
-      "string": "cpp",
-      "string_view": "cpp",
-      "atomic": "cpp",
-      "bitset": "cpp",
-      "cctype": "cpp",
-      "chrono": "cpp",
-      "clocale": "cpp",
-      "cmath": "cpp",
-      "condition_variable": "cpp",
-      "cstdarg": "cpp",
-      "cstddef": "cpp",
-      "cstdint": "cpp",
-      "cstdio": "cpp",
-      "cstdlib": "cpp",
-      "cstring": "cpp",
-      "ctime": "cpp",
-      "cwchar": "cpp",
-      "cwctype": "cpp",
-      "deque": "cpp",
-      "list": "cpp",
-      "unordered_map": "cpp",
-      "unordered_set": "cpp",
-      "vector": "cpp",
-      "exception": "cpp",
-      "algorithm": "cpp",
-      "iterator": "cpp",
-      "map": "cpp",
-      "memory": "cpp",
-      "memory_resource": "cpp",
-      "numeric": "cpp",
-      "random": "cpp",
-      "set": "cpp",
-      "fstream": "cpp",
-      "initializer_list": "cpp",
-      "iomanip": "cpp",
-      "iosfwd": "cpp",
-      "iostream": "cpp",
-      "limits": "cpp",
-      "mutex": "cpp",
-      "new": "cpp",
-      "sstream": "cpp",
-      "stdexcept": "cpp",
-      "streambuf": "cpp",
-      "thread": "cpp",
-      "cinttypes": "cpp",
-      "typeinfo": "cpp"
-    },
-    "todo-tree.filtering.excludeGlobs": [
-      "**/vendor/**",
-      "**/node_modules/**",
-      "**/dist/**",
-      "**/bower_components/**",
-      "**/build/**",
-      "**/.vscode/**",
-      "**/.github/**",
-      "**/_output/**",
-      "**/*.min.*",
-      "**/*.map",
-      "**/ArduinoJson/**"
-    ],
-    "cSpell.enableFiletypes": [
-      "ini",
-      "makefile"
-    ],
-    "typescript.preferences.preferTypeOnlyAutoImports": true,
-    "sonarlint.pathToCompileCommands": "${workspaceFolder}/compile_commands.json",
-    "sonarlint.connectedMode.project": {
-      "connectionId": "emsesp",
-      "projectKey": "emsesp_EMS-ESP32"
-    }
-  }

CHANGELOG_LATEST.md

@@ -2,7 +2,7 @@
 
 For more details go to [emsesp.org](https://emsesp.org/).
 
-## [3.8.2]
+## [3.9.0]
 
 ## Added
 
@@ -15,11 +15,14 @@ For more details go to [emsesp.org](https://emsesp.org/).
 - e-mail notification using ReadyMail Client
 - 2.nd freshwater module (dhw4, dhw5) [#2991](https://github.com/emsesp/EMS-ESP32/issues/2991)
 - full system backup and restore
+- updated version check [#3047](https://github.com/emsesp/EMS-ESP32/issues/3047)
 
 ## Fixed
 
 - SRC climate creation [#2936](https://github.com/emsesp/EMS-ESP32/issues/2936) and [#2960](https://github.com/emsesp/EMS-ESP32/issues/2960)
 - missing translations [#3015](https://github.com/emsesp/EMS-ESP32/issues/3015)
+- custom entities check fetch length
+- modbus initialization [#3064](https://github.com/emsesp/EMS-ESP32/issues/3064)
 
 ## Changed
 
@@ -36,3 +39,5 @@ For more details go to [emsesp.org](https://emsesp.org/).
 - fetch telegrams: set length to fetch [#3017](https://github.com/emsesp/EMS-ESP32/issues/3017)
 - move http client from stack to heap
 - heap optimizations [#3021](https://github.com/emsesp/EMS-ESP32/discussions/3021)
+- refactored network code into a single class [#3052](https://github.com/emsesp/EMS-ESP32/pull/3052)
+- check and read 0x470 as summer2_typeids[0] only if received [#2686](https://github.com/emsesp/EMS-ESP32/issues/2686), [#3055](https://github.com/emsesp/EMS-ESP32/issues/3055)

Makefile

@@ -113,7 +113,7 @@ CXX := /usr/bin/g++
 CPPFLAGS  += $(DEFINES) $(DEFAULTS) $(INCLUDE)
 CPPFLAGS  += -ggdb -g3 -MMD
 CPPFLAGS  += -flto=auto
-CPPFLAGS  += -Wall -Wextra -Werror -Wswitch-enum
+CPPFLAGS  += -Wall -Wextra -Werror -Wno-switch-enum
 CPPFLAGS  += -Wno-unused-parameter -Wno-missing-braces -Wno-vla-cxx-extension
 CPPFLAGS  += -ffunction-sections -fdata-sections -fno-exceptions -fno-rtti -fno-threadsafe-statics
 CPPFLAGS  += -Os -DNDEBUG

docs/dump_telegrams.csv

@@ -112,10 +112,10 @@ telegram_type_id,name,is_fetched
 0x02A0,RC300Curves, 
 0x02A1,RC300Curves, 
 0x02A2,RC300Curves, 
-0x02A5,RC300Monitor,fetched
-0x02A6,CRFMonitor, 
+0x02A5,RC300Monitor, 
+0x02A6,RC300Monitor, 
 0x02A7,RC300Monitor, 
-0x02A8,CRFMonitor, 
+0x02A8,RC300Monitor, 
 0x02A9,RC300Monitor, 
 0x02AA,RC300Monitor, 
 0x02AB,RC300Monitor, 
@@ -171,6 +171,7 @@ telegram_type_id,name,is_fetched
 0x0468,HPSet, 
 0x0469,HPSet, 
 0x046A,HPSet, 
+0x0470,RC300Summer2,fetched
 0x0471,RC300Summer2, 
 0x0472,RC300Summer2, 
 0x0473,RC300Summer2, 

interface/package.json

@@ -1,9 +1,9 @@
 {
   "name": "EMS-ESP",
-  "version": "3.8.2",
+  "version": "3.9.0",
   "description": "EMS-ESP WebUI",
   "homepage": "https://emsesp.org",
-  "author": "proddy, emsesp.org",
+  "author": "emsesp.org",
   "license": "MIT",
   "private": true,
   "type": "module",
@@ -26,45 +26,39 @@
     "@alova/adapter-xhr": "2.3.1",
     "@emotion/react": "^11.14.0",
     "@emotion/styled": "^11.14.1",
-    "@mui/icons-material": "^9.0.0",
-    "@mui/material": "^9.0.0",
-    "@preact/compat": "^18.3.2",
+    "@mui/icons-material": "^9.0.1",
+    "@mui/material": "^9.0.1",
     "@table-library/react-table-library": "4.1.15",
     "alova": "^3.5.1",
     "async-validator": "^4.2.5",
     "etag": "^1.8.1",
-    "formidable": "^3.5.4",
     "jwt-decode": "^4.0.0",
-    "magic-string": "^0.30.21",
     "mime-types": "^3.0.2",
     "preact": "^10.29.1",
-    "react": "^19.2.5",
-    "react-dom": "^19.2.5",
+    "react": "^19.2.6",
+    "react-dom": "^19.2.6",
     "react-icons": "^5.6.0",
-    "react-router": "^7.14.1",
+    "react-router": "^7.15.0",
     "react-toastify": "^11.1.0",
     "typesafe-i18n": "^5.27.1",
     "typescript": "^6.0.3"
   },
   "devDependencies": {
-    "@babel/core": "^7.29.0",
     "@eslint/js": "^10.0.1",
-    "@preact/compat": "^18.3.2",
     "@preact/preset-vite": "^2.10.5",
     "@trivago/prettier-plugin-sort-imports": "^6.0.2",
     "@types/node": "^25.6.0",
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
-    "axe-core": "^4.11.3",
     "concurrently": "^9.2.1",
-    "eslint": "^10.2.1",
+    "eslint": "^10.3.0",
     "eslint-config-prettier": "^10.1.8",
     "prettier": "^3.8.3",
     "rollup-plugin-visualizer": "^7.0.1",
-    "terser": "^5.46.1",
-    "typescript-eslint": "^8.58.2",
-    "vite": "^8.0.9",
+    "terser": "^5.47.0",
+    "typescript-eslint": "^8.59.2",
+    "vite": "^8.0.11",
     "vite-plugin-imagemin": "^0.6.1"
   },
-  "packageManager": "pnpm@10.33.0+sha512.10568bb4a6afb58c9eb3630da90cc9516417abebd3fabbe6739f0ae795728da1491e9db5a544c76ad8eb7570f5c4bb3d6c637b2cb41bfdcdb47fa823c8649319"
+  "packageManager": "pnpm@10.33.4"
 }

interface/src/App.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useEffect, useState } from 'react';
+import { memo, useEffect, useState } from 'react';
 import { ToastContainer, Zoom } from 'react-toastify';
 
 import AppRouting from 'AppRouting';
@@ -46,19 +46,17 @@ const App = memo(() => {
   const [wasLoaded, setWasLoaded] = useState(false);
   const [locale, setLocale] = useState<Locales>('en');
 
-  // Memoize locale initialization to prevent unnecessary re-runs
-  const initializeLocale = useCallback(async () => {
-    const browserLocale = detectLocale('en', AVAILABLE_LOCALES, navigatorDetector);
-    const newLocale = (localStorage.getItem('lang') || browserLocale) as Locales;
-    localStorage.setItem('lang', newLocale);
-    setLocale(newLocale);
-    await loadLocaleAsync(newLocale);
-    setWasLoaded(true);
-  }, []);
-
   useEffect(() => {
+    const initializeLocale = async () => {
+      const browserLocale = detectLocale('en', AVAILABLE_LOCALES, navigatorDetector);
+      const newLocale = (localStorage.getItem('lang') || browserLocale) as Locales;
+      localStorage.setItem('lang', newLocale);
+      setLocale(newLocale);
+      await loadLocaleAsync(newLocale);
+      setWasLoaded(true);
+    };
     void initializeLocale();
-  }, [initializeLocale]);
+  }, []);
 
   if (!wasLoaded) return null;
 

interface/src/AuthenticatedRouting.tsx

@@ -16,6 +16,7 @@ import DownloadUpload from 'app/settings/DownloadUpload';
 import MqttSettings from 'app/settings/MqttSettings';
 import NTPSettings from 'app/settings/NTPSettings';
 import Settings from 'app/settings/Settings';
+import Version from 'app/settings/Version';
 import Network from 'app/settings/network/Network';
 import Security from 'app/settings/security/Security';
 import APStatus from 'app/status/APStatus';
@@ -26,7 +27,6 @@ import NTPStatus from 'app/status/NTPStatus';
 import NetworkStatus from 'app/status/NetworkStatus';
 import Status from 'app/status/Status';
 import SystemLog from 'app/status/SystemLog';
-import Version from 'app/status/Version';
 import { Layout } from 'components';
 import { AuthenticatedContext } from 'contexts/authentication';
 
@@ -49,11 +49,11 @@ const AuthenticatedRouting = memo(() => {
         <Route path="/status/ntp" element={<NTPStatus />} />
         <Route path="/status/ap" element={<APStatus />} />
         <Route path="/status/network" element={<NetworkStatus />} />
-        <Route path="/status/version" element={<Version />} />
 
         {me.admin && (
           <>
             <Route path="/settings" element={<Settings />} />
+            <Route path="/settings/version" element={<Version />} />
             <Route path="/settings/application" element={<ApplicationSettings />} />
             <Route path="/settings/mqtt" element={<MqttSettings />} />
             <Route path="/settings/ntp" element={<NTPSettings />} />

interface/src/SignIn.tsx

@@ -18,7 +18,7 @@ import { PROJECT_NAME } from 'env';
 import { useI18nContext } from 'i18n/i18n-react';
 import type { SignInRequest } from 'types';
 import { onEnterCallback, updateValue } from 'utils';
-import { SIGN_IN_REQUEST_VALIDATOR, validate } from 'validators';
+import { SIGN_IN_REQUEST_VALIDATOR, ValidationError, validate } from 'validators';
 
 const SignIn = memo(() => {
   const authenticationContext = useContext(AuthenticationContext);
@@ -43,7 +43,6 @@ const SignIn = memo(() => {
     }
   });
 
-  // Memoize callback to prevent recreation on every render
   const updateLoginRequestValue = useMemo(
     () =>
       updateValue((updater) =>
@@ -65,7 +64,7 @@ const SignIn = memo(() => {
     });
   }, [callSignIn, signInRequest, LL]);
 
-  const validateAndSignIn = useCallback(async () => {
+  const validateAndSignIn = async () => {
     setProcessing(true);
     SIGN_IN_REQUEST_VALIDATOR.messages({
       required: LL.IS_REQUIRED('%s')
@@ -74,10 +73,10 @@ const SignIn = memo(() => {
       await validate(SIGN_IN_REQUEST_VALIDATOR, signInRequest);
       await signIn();
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
       setProcessing(false);
     }
-  }, [signInRequest, signIn, LL]);
+  };
 
   const submitOnEnter = useMemo(() => onEnterCallback(signIn), [signIn]);
 

interface/src/api/endpoints.ts

@@ -57,12 +57,3 @@ export const alovaInstance = createAlova({
     onSuccess: handleResponse
   }
 });
-
-export const alovaInstanceGH = createAlova({
-  baseURL:
-    process.env.NODE_ENV === 'development'
-      ? '/gh'
-      : 'https://api.github.com/repos/emsesp/EMS-ESP32/releases',
-  statesHook: ReactHook,
-  requestAdapter: xhrRequestAdapter()
-});

interface/src/api/system.ts

@@ -1,6 +1,6 @@
 import type { LogSettings, SystemStatus } from 'types';
 
-import { alovaInstance, alovaInstanceGH } from './endpoints';
+import { alovaInstance } from './endpoints';
 
 // systemStatus - also used to ping in System Monitor for pinging
 export const readSystemStatus = () =>
@@ -13,29 +13,6 @@ export const updateLogSettings = (data: LogSettings) =>
   alovaInstance.Post('/rest/logSettings', data);
 export const fetchLogES = () => alovaInstance.Get('/es/log');
 
-// Get versions from GitHub
-// cache for 10 minutes to stop getting the IP blocked by GitHub
-export const getStableVersion = () =>
-  alovaInstanceGH.Get('latest', {
-    cacheFor: 60 * 10 * 1000,
-    transform(response: { data: { name: string; published_at: string } }) {
-      return {
-        name: response.data.name.substring(1),
-        published_at: response.data.published_at
-      };
-    }
-  });
-export const getDevVersion = () =>
-  alovaInstanceGH.Get('tags/latest', {
-    cacheFor: 60 * 10 * 1000,
-    transform(response: { data: { name: string; published_at: string } }) {
-      return {
-        name: response.data.name.split(/\s+/).splice(-1)[0]?.substring(1) || '',
-        published_at: response.data.published_at
-      };
-    }
-  });
-
 const UPLOAD_TIMEOUT = 60000; // 1 minute
 
 export const uploadFile = (file: File) => {

interface/src/app/main/CustomEntities.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useState } from 'react';
 import { useBlocker } from 'react-router';
 import { toast } from 'react-toastify';
 
@@ -57,20 +57,18 @@ const CustomEntities = () => {
     initialData: []
   });
 
-  const intervalCallback = useCallback(() => {
+  useInterval(() => {
     if (!dialogOpen && !numChanges) {
       void fetchEntities();
     }
-  }, [dialogOpen, numChanges, fetchEntities]);
-
-  useInterval(intervalCallback);
+  });
 
   const { send: writeEntities } = useRequest(
     (data: Entities) => writeCustomEntities(data),
     { immediate: false }
   );
 
-  const hasEntityChanged = useCallback((ei: EntityItem) => {
+  const hasEntityChanged = (ei: EntityItem) => {
     return (
       ei.id !== ei.o_id ||
       ei.ram !== ei.o_ram ||
@@ -86,21 +84,19 @@ const CustomEntities = () => {
       ei.deleted !== ei.o_deleted ||
       (ei.value || '') !== (ei.o_value || '')
     );
-  }, []);
+  };
 
-  const entity_theme = useMemo(
-    () =>
-      useTheme({
-        Table: `
+  const entity_theme = useTheme({
+    Table: `
       --data-table-library_grid-template-columns: repeat(1, minmax(60px, 1fr)) minmax(80px, auto) 80px 80px 80px 120px;
     `,
-        BaseRow: `
+    BaseRow: `
       font-size: 14px;
       .td {
         height: 32px;
       }
     `,
-        BaseCell: `
+    BaseCell: `
       &:nth-of-type(1) {
         padding: 8px;
       }
@@ -120,7 +116,7 @@ const CustomEntities = () => {
         text-align: center;
       }
     `,
-        HeaderRow: `
+    HeaderRow: `
       text-transform: uppercase;
       background-color: black;
       color: #90CAF9;
@@ -129,7 +125,7 @@ const CustomEntities = () => {
         height: 36px;
       }
     `,
-        Row: `
+    Row: `
       background-color: #1e1e1e;
       position: relative;
       cursor: pointer;
@@ -140,11 +136,9 @@ const CustomEntities = () => {
         background-color: #177ac9;
       }
     `
-      }),
-    []
-  );
+  });
 
-  const saveEntities = useCallback(async () => {
+  const saveEntities = async () => {
     await writeEntities({
       entities: entities
         .filter((ei: EntityItem) => !ei.deleted)
@@ -173,44 +167,41 @@ const CustomEntities = () => {
         await fetchEntities();
         setNumChanges(0);
       });
-  }, [entities, writeEntities, LL, fetchEntities]);
+  };
 
-  const editEntityItem = useCallback((ei: EntityItem) => {
+  const editEntityItem = (ei: EntityItem) => {
     setCreating(false);
     setSelectedEntityItem(ei);
     setDialogOpen(true);
-  }, []);
+  };
 
-  const onDialogClose = useCallback(() => {
+  const onDialogClose = () => {
     setDialogOpen(false);
-  }, []);
+  };
 
-  const onDialogCancel = useCallback(async () => {
+  const onDialogCancel = async () => {
     await fetchEntities().then(() => {
       setNumChanges(0);
     });
-  }, [fetchEntities]);
+  };
 
-  const onDialogSave = useCallback(
-    (updatedItem: EntityItem) => {
-      setDialogOpen(false);
-      void updateState(readCustomEntities(), (data: EntityItem[]) => {
-        const new_data = creating
-          ? [
-              ...data.filter((ei) => creating || ei.o_id !== updatedItem.o_id),
-              updatedItem
-            ]
-          : data.map((ei) =>
-              ei.id === updatedItem.id ? { ...ei, ...updatedItem } : ei
-            );
-        setNumChanges(new_data.filter((ei) => hasEntityChanged(ei)).length);
-        return new_data;
-      });
-    },
-    [creating, hasEntityChanged]
-  );
+  const onDialogSave = (updatedItem: EntityItem) => {
+    setDialogOpen(false);
+    void updateState(readCustomEntities(), (data: EntityItem[]) => {
+      const new_data = creating
+        ? [
+            ...data.filter((ei) => creating || ei.o_id !== updatedItem.o_id),
+            updatedItem
+          ]
+        : data.map((ei) =>
+            ei.id === updatedItem.id ? { ...ei, ...updatedItem } : ei
+          );
+      setNumChanges(new_data.filter((ei) => hasEntityChanged(ei)).length);
+      return new_data;
+    });
+  };
 
-  const onDialogDup = useCallback((item: EntityItem) => {
+  const onDialogDup = (item: EntityItem) => {
     setCreating(true);
     setSelectedEntityItem({
       id: Math.floor(Math.random() * (MAX_ID - MIN_ID) + MIN_ID),
@@ -228,9 +219,9 @@ const CustomEntities = () => {
       value: item.value
     });
     setDialogOpen(true);
-  }, []);
+  };
 
-  const addEntityItem = useCallback(() => {
+  const addEntityItem = () => {
     setCreating(true);
     setSelectedEntityItem({
       id: Math.floor(Math.random() * (MAX_ID - MIN_ID) + MIN_ID),
@@ -248,30 +239,27 @@ const CustomEntities = () => {
       value: ''
     });
     setDialogOpen(true);
-  }, []);
+  };
 
-  const formatValue = useCallback((value: unknown, uom: number) => {
+  const formatValue = (value: unknown, uom: number) => {
     return value === undefined
       ? ''
       : typeof value === 'number'
         ? new Intl.NumberFormat().format(value) +
           (uom === 0 ? '' : ` ${DeviceValueUOM_s[uom]}`)
         : `${value as string}${uom === 0 ? '' : ` ${DeviceValueUOM_s[uom]}`}`;
-  }, []);
+  };
 
-  const showHex = useCallback((value: number, digit: number) => {
+  const showHex = (value: number, digit: number) => {
     return `0x${value.toString(16).toUpperCase().padStart(digit, '0')}`;
-  }, []);
+  };
 
-  const filteredAndSortedEntities = useMemo(
-    () =>
-      entities
-        ?.filter((ei: EntityItem) => !ei.deleted)
-        .sort((a: EntityItem, b: EntityItem) => a.name.localeCompare(b.name)) ?? [],
-    [entities]
-  );
+  const filteredAndSortedEntities =
+    entities
+      ?.filter((ei: EntityItem) => !ei.deleted)
+      .sort((a: EntityItem, b: EntityItem) => a.name.localeCompare(b.name)) ?? [];
 
-  const renderEntity = useCallback(() => {
+  const renderEntity = () => {
     if (!entities) {
       return (
         <FormLoader onRetry={fetchEntities} errorMessage={error?.message || ''} />
@@ -328,17 +316,7 @@ const CustomEntities = () => {
         )}
       </Table>
     );
-  }, [
-    entities,
-    error,
-    fetchEntities,
-    entity_theme,
-    editEntityItem,
-    LL,
-    filteredAndSortedEntities,
-    showHex,
-    formatValue
-  ]);
+  };
 
   return (
     <SectionContent>

interface/src/app/main/CustomEntitiesDialog.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 
 import AddIcon from '@mui/icons-material/Add';
 import CancelIcon from '@mui/icons-material/Cancel';
@@ -28,7 +28,7 @@ import type { ValidateFieldsError } from 'async-validator';
 import { BlockFormControlLabel, ValidatedTextField } from 'components';
 import { useI18nContext } from 'i18n/i18n-react';
 import { numberValue, updateValue } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 
 import { DeviceValueType, DeviceValueTypeNames, DeviceValueUOM_s } from './types';
 import type { EntityItem } from './types';
@@ -68,14 +68,10 @@ const CustomEntitiesDialog = ({
   const { LL } = useI18nContext();
   const [editItem, setEditItem] = useState<EntityItem>(selectedItem);
   const [fieldErrors, setFieldErrors] = useState<ValidateFieldsError>();
-  const updateFormValue = useMemo(
-    () =>
-      updateValue(
-        setEditItem as unknown as React.Dispatch<
-          React.SetStateAction<Record<string, unknown>>
-        >
-      ),
-    []
+  const updateFormValue = updateValue(
+    setEditItem as unknown as React.Dispatch<
+      React.SetStateAction<Record<string, unknown>>
+    >
   );
 
   useEffect(() => {
@@ -105,16 +101,16 @@ const CustomEntitiesDialog = ({
     }
   }, [open, selectedItem]);
 
-  const handleClose = useCallback(
-    (_event: React.SyntheticEvent, reason: 'backdropClick' | 'escapeKeyDown') => {
-      if (reason !== 'backdropClick') {
-        onClose();
-      }
-    },
-    [onClose]
-  );
+  const handleClose = (
+    _event: React.SyntheticEvent,
+    reason: 'backdropClick' | 'escapeKeyDown'
+  ) => {
+    if (reason !== 'backdropClick') {
+      onClose();
+    }
+  };
 
-  const save = useCallback(async () => {
+  const save = async () => {
     try {
       setFieldErrors(undefined);
       await validate(validator, editItem);
@@ -136,29 +132,23 @@ const CustomEntitiesDialog = ({
       }
       onSave(processedItem);
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
-  }, [validator, editItem, onSave]);
+  };
 
-  const remove = useCallback(() => {
-    const itemWithDeleted = { ...editItem, deleted: true };
-    onSave(itemWithDeleted);
-  }, [editItem, onSave]);
+  const remove = () => {
+    onSave({ ...editItem, deleted: true });
+  };
 
-  const dup = useCallback(() => {
+  const dup = () => {
     onDup(editItem);
-  }, [editItem, onDup]);
+  };
 
-  // Memoize UOM menu items to avoid recreating on every render
-  const uomMenuItems = useMemo(
-    () =>
-      DeviceValueUOM_s.map((val, i) => (
-        <MenuItem key={val} value={i}>
-          {val}
-        </MenuItem>
-      )),
-    []
-  );
+  const uomMenuItems = DeviceValueUOM_s.map((val, i) => (
+    <MenuItem key={val} value={i}>
+      {val}
+    </MenuItem>
+  ));
 
   return (
     <Dialog sx={dialogStyle} open={open} onClose={handleClose}>
@@ -215,7 +205,7 @@ const CustomEntitiesDialog = ({
                   name="value"
                   label={LL.DEFAULT(0) + ' ' + LL.VALUE(0)}
                   type="string"
-                  value={editItem.value as string}
+                  value={editItem.value}
                   variant="outlined"
                   onChange={updateFormValue}
                   fullWidth
@@ -260,7 +250,7 @@ const CustomEntitiesDialog = ({
                   margin="normal"
                   sx={{ width: '11ch' }}
                   type="string"
-                  value={editItem.device_id as string}
+                  value={editItem.device_id}
                   onChange={updateFormValue}
                   slotProps={{
                     input: {
@@ -280,7 +270,7 @@ const CustomEntitiesDialog = ({
                   margin="normal"
                   sx={{ width: '11ch' }}
                   type="string"
-                  value={editItem.type_id as string}
+                  value={editItem.type_id}
                   onChange={updateFormValue}
                   slotProps={{
                     input: {
@@ -381,7 +371,7 @@ const CustomEntitiesDialog = ({
                     fieldErrors={fieldErrors || {}}
                     name="factor"
                     label={LL.BITMASK()}
-                    value={editItem.factor as string}
+                    value={editItem.factor}
                     sx={{ width: '11ch' }}
                     variant="outlined"
                     onChange={updateFormValue}

interface/src/app/main/Customizations.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 import { useBlocker, useLocation } from 'react-router';
 import { toast } from 'react-toastify';
 
@@ -171,19 +171,17 @@ const Customizations = () => {
     );
   };
 
-  const entities_theme = useMemo(
-    () =>
-      useTheme({
-        Table: `
+  const entities_theme = useTheme({
+    Table: `
       --data-table-library_grid-template-columns: 156px repeat(1, minmax(80px, 1fr)) 45px minmax(45px, auto) minmax(120px, auto);
     `,
-        BaseRow: `
+    BaseRow: `
       font-size: 14px;
       .td {
         height: 32px;
       }
     `,
-        BaseCell: `
+    BaseCell: `
       &:nth-of-type(3) {
         text-align: right;
       }
@@ -194,7 +192,7 @@ const Customizations = () => {
         text-align: right;
       }
     `,
-        HeaderRow: `
+    HeaderRow: `
       text-transform: uppercase;
       background-color: black;
       color: #90CAF9;
@@ -206,7 +204,7 @@ const Customizations = () => {
         text-align: center;
       }
     `,
-        Row: `
+    Row: `
       background-color: #1e1e1e;
       position: relative;
       cursor: pointer;
@@ -222,7 +220,7 @@ const Customizations = () => {
         background-color: #177ac9;
       }
     `,
-        Cell: `
+    Cell: `
       &:nth-of-type(2) {
         padding: 8px;
       }
@@ -236,9 +234,7 @@ const Customizations = () => {
         padding-right: 8px;
       }
     `
-      }),
-    []
-  );
+  });
 
   function hasEntityChanged(de: DeviceEntity) {
     return (
@@ -287,26 +283,23 @@ const Customizations = () => {
     return value as string;
   }
 
-  const isCommand = useCallback((de: DeviceEntity) => {
+  const isCommand = (de: DeviceEntity) => {
     return de.n && de.n[0] === '!';
-  }, []);
+  };
 
-  const formatName = useCallback(
-    (de: DeviceEntity, withShortname: boolean) => {
-      let name: string;
-      if (isCommand(de)) {
-        name = de.t
-          ? `${LL.COMMAND(1)}: ${de.t} ${de.n?.slice(1)}`
-          : `${LL.COMMAND(1)}: ${de.n?.slice(1)}`;
-      } else if (de.cn && de.cn !== '') {
-        name = de.t ? `${de.t} ${de.cn}` : de.cn;
-      } else {
-        name = de.t ? `${de.t} ${de.n}` : de.n || '';
-      }
-      return withShortname ? `${name} ${de.id}` : name;
-    },
-    [LL]
-  );
+  const formatName = (de: DeviceEntity, withShortname: boolean) => {
+    let name: string;
+    if (isCommand(de)) {
+      name = de.t
+        ? `${LL.COMMAND(1)}: ${de.t} ${de.n?.slice(1)}`
+        : `${LL.COMMAND(1)}: ${de.n?.slice(1)}`;
+    } else if (de.cn && de.cn !== '') {
+      name = de.t ? `${de.t} ${de.cn}` : de.cn;
+    } else {
+      name = de.t ? `${de.t} ${de.n}` : de.n || '';
+    }
+    return withShortname ? `${name} ${de.id}` : name;
+  };
 
   const getMaskNumber = (newMask: string[]) => {
     let new_mask = 0;
@@ -336,33 +329,27 @@ const Customizations = () => {
     return new_masks;
   };
 
-  const filter_entity = useCallback(
-    (de: DeviceEntity) =>
-      (de.m & selectedFilters || !selectedFilters) &&
-      formatName(de, true).toLowerCase().includes(search.toLowerCase()),
-    [selectedFilters, search, formatName]
-  );
+  const filter_entity = (de: DeviceEntity) =>
+    (de.m & selectedFilters || !selectedFilters) &&
+    formatName(de, true).toLowerCase().includes(search.toLowerCase());
 
-  const maskDisabled = useCallback(
-    (set: boolean) => {
-      setDeviceEntities((prev) =>
-        prev.map((de) => {
-          if (filter_entity(de)) {
-            const excludeMask =
-              DeviceEntityMask.DV_API_MQTT_EXCLUDE | DeviceEntityMask.DV_WEB_EXCLUDE;
-            return {
-              ...de,
-              m: set ? de.m | excludeMask : de.m & ~excludeMask
-            };
-          }
-          return de;
-        })
-      );
-    },
-    [filter_entity]
-  );
+  const maskDisabled = (set: boolean) => {
+    setDeviceEntities((prev) =>
+      prev.map((de) => {
+        if (filter_entity(de)) {
+          const excludeMask =
+            DeviceEntityMask.DV_API_MQTT_EXCLUDE | DeviceEntityMask.DV_WEB_EXCLUDE;
+          return {
+            ...de,
+            m: set ? de.m | excludeMask : de.m & ~excludeMask
+          };
+        }
+        return de;
+      })
+    );
+  };
 
-  const resetCustomization = useCallback(async () => {
+  const resetCustomization = async () => {
     try {
       await sendResetCustomizations();
       toast.info(LL.CUSTOMIZATIONS_RESTART());
@@ -372,30 +359,27 @@ const Customizations = () => {
       setConfirmReset(false);
       setRestarting(true);
     }
-  }, [sendResetCustomizations, LL]);
+  };
 
   const onDialogClose = () => {
     setDialogOpen(false);
   };
 
-  const updateDeviceEntity = useCallback((updatedItem: DeviceEntity) => {
+  const updateDeviceEntity = (updatedItem: DeviceEntity) => {
     setDeviceEntities(
       (prev) =>
         prev?.map((de) =>
           de.id === updatedItem.id ? { ...de, ...updatedItem } : de
         ) ?? []
     );
-  }, []);
+  };
 
-  const onDialogSave = useCallback(
-    (updatedItem: DeviceEntity) => {
-      setDialogOpen(false);
-      updateDeviceEntity(updatedItem);
-    },
-    [updateDeviceEntity]
-  );
+  const onDialogSave = (updatedItem: DeviceEntity) => {
+    setDialogOpen(false);
+    updateDeviceEntity(updatedItem);
+  };
 
-  const editDeviceEntity = useCallback((de: DeviceEntity) => {
+  const editDeviceEntity = (de: DeviceEntity) => {
     if (de.n === undefined || (de.n && de.n[0] === '!')) {
       return;
     }
@@ -406,9 +390,9 @@ const Customizations = () => {
 
     setSelectedDeviceEntity(de);
     setDialogOpen(true);
-  }, []);
+  };
 
-  const saveCustomization = useCallback(async () => {
+  const saveCustomization = async () => {
     if (!devices || !deviceEntities || selectedDevice === -1) {
       return;
     }
@@ -441,9 +425,9 @@ const Customizations = () => {
       .finally(() => {
         setOriginalSettings(deviceEntities);
       });
-  }, [devices, deviceEntities, selectedDevice, sendCustomizationEntities, LL]);
+  };
 
-  const renameDevice = useCallback(async () => {
+  const renameDevice = async () => {
     await sendDeviceName({
       id: selectedDevice,
       name: selectedDeviceName,
@@ -459,14 +443,7 @@ const Customizations = () => {
         setRename(false);
         await fetchCoreData();
       });
-  }, [
-    selectedDevice,
-    selectedDeviceName,
-    selectedDeviceBrand,
-    sendDeviceName,
-    LL,
-    fetchCoreData
-  ]);
+  };
 
   const renderDeviceList = () => (
     <>
@@ -562,10 +539,7 @@ const Customizations = () => {
     </>
   );
 
-  const filteredEntities = useMemo(
-    () => deviceEntities.filter((de) => filter_entity(de)),
-    [deviceEntities, filter_entity]
-  );
+  const filteredEntities = deviceEntities.filter((de) => filter_entity(de));
 
   const renderDeviceData = () => {
     return (

interface/src/app/main/CustomizationsDialog.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useEffect, useMemo, useState } from 'react';
+import { memo, useEffect, useState } from 'react';
 
 import CancelIcon from '@mui/icons-material/Cancel';
 import CloseIcon from '@mui/icons-material/Close';
@@ -57,23 +57,16 @@ const CustomizationsDialog = ({
   const [editItem, setEditItem] = useState<DeviceEntity>(selectedItem);
   const [error, setError] = useState<boolean>(false);
 
-  const updateFormValue = useMemo(
-    () =>
-      updateValue(
-        setEditItem as unknown as React.Dispatch<
-          React.SetStateAction<Record<string, unknown>>
-        >
-      ),
-    []
+  const updateFormValue = updateValue(
+    setEditItem as unknown as React.Dispatch<
+      React.SetStateAction<Record<string, unknown>>
+    >
   );
 
-  const isWriteableNumber = useMemo(
-    () =>
-      typeof editItem.v === 'number' &&
-      editItem.w &&
-      !(editItem.m & DeviceEntityMask.DV_READONLY),
-    [editItem.v, editItem.w, editItem.m]
-  );
+  const isWriteableNumber =
+    typeof editItem.v === 'number' &&
+    editItem.w &&
+    !(editItem.m & DeviceEntityMask.DV_READONLY);
 
   useEffect(() => {
     if (open) {
@@ -82,16 +75,16 @@ const CustomizationsDialog = ({
     }
   }, [open, selectedItem]);
 
-  const handleClose = useCallback(
-    (_event: React.SyntheticEvent, reason: 'backdropClick' | 'escapeKeyDown') => {
-      if (reason !== 'backdropClick') {
-        onClose();
-      }
-    },
-    [onClose]
-  );
+  const handleClose = (
+    _event: React.SyntheticEvent,
+    reason: 'backdropClick' | 'escapeKeyDown'
+  ) => {
+    if (reason !== 'backdropClick') {
+      onClose();
+    }
+  };
 
-  const save = useCallback(() => {
+  const save = () => {
     if (
       isWriteableNumber &&
       editItem.mi &&
@@ -102,34 +95,31 @@ const CustomizationsDialog = ({
     } else {
       onSave(editItem);
     }
-  }, [isWriteableNumber, editItem, onSave]);
+  };
 
-  const updateDeviceEntity = useCallback((updatedItem: DeviceEntity) => {
+  const updateDeviceEntity = (updatedItem: DeviceEntity) => {
     setEditItem((prev) => ({ ...prev, m: updatedItem.m }));
-  }, []);
-
-  const dialogTitle = useMemo(() => `${LL.EDIT()} ${LL.ENTITY()}`, [LL]);
-
-  const writeableIcon = useMemo(
-    () =>
-      editItem.w ? (
-        <DoneIcon color="success" sx={{ fontSize: ICON_SIZE }} />
-      ) : (
-        <CloseIcon color="error" sx={{ fontSize: ICON_SIZE }} />
-      ),
-    [editItem.w]
-  );
+  };
 
   return (
     <Dialog sx={dialogStyle} open={open} onClose={handleClose}>
-      <DialogTitle>{dialogTitle}</DialogTitle>
+      <DialogTitle>{`${LL.EDIT()} ${LL.ENTITY()}`}</DialogTitle>
       <DialogContent dividers>
         <LabelValue label={LL.ID_OF(LL.ENTITY())} value={editItem.id} />
         <LabelValue
           label={`${LL.DEFAULT(1)} ${LL.ENTITY_NAME(1)}`}
           value={editItem.n}
         />
-        <LabelValue label={LL.WRITEABLE()} value={writeableIcon} />
+        <LabelValue
+          label={LL.WRITEABLE()}
+          value={
+            editItem.w ? (
+              <DoneIcon color="success" sx={{ fontSize: ICON_SIZE }} />
+            ) : (
+              <CloseIcon color="error" sx={{ fontSize: ICON_SIZE }} />
+            )
+          }
+        />
 
         <Box sx={{ mt: 1, mb: 2 }}>
           <EntityMaskToggle onUpdate={updateDeviceEntity} de={editItem} />

interface/src/app/main/Dashboard.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useContext, useEffect, useMemo, useState } from 'react';
+import { memo, useContext, useEffect, useState } from 'react';
 import { IconContext } from 'react-icons/lib';
 import { Link } from 'react-router';
 import { toast } from 'react-toastify';
@@ -77,40 +77,35 @@ const Dashboard = memo(() => {
     }
   );
 
-  const deviceValueDialogSave = useCallback(
-    async (devicevalue: DeviceValue) => {
-      if (!selectedDashboardItem) {
-        return;
-      }
-      const id = selectedDashboardItem.parentNode.id; // this is the parent ID
-      await sendDeviceValue({ id, c: devicevalue.c ?? '', v: devicevalue.v })
-        .then(() => {
-          toast.success(LL.WRITE_CMD_SENT());
-        })
-        .catch((error: Error) => {
-          toast.error(error.message);
-        })
-        .finally(() => {
-          setDeviceValueDialogOpen(false);
-          setSelectedDashboardItem(undefined);
-        });
-    },
-    [selectedDashboardItem, sendDeviceValue, LL]
-  );
+  const deviceValueDialogSave = async (devicevalue: DeviceValue) => {
+    if (!selectedDashboardItem) {
+      return;
+    }
+    const id = selectedDashboardItem.parentNode.id; // this is the parent ID
+    await sendDeviceValue({ id, c: devicevalue.c ?? '', v: devicevalue.v })
+      .then(() => {
+        toast.success(LL.WRITE_CMD_SENT());
+      })
+      .catch((error: Error) => {
+        toast.error(error.message);
+      })
+      .finally(() => {
+        setDeviceValueDialogOpen(false);
+        setSelectedDashboardItem(undefined);
+      });
+  };
 
-  const dashboard_theme = useMemo(
-    () =>
-      useTheme({
-        Table: `
+  const dashboard_theme = useTheme({
+    Table: `
       --data-table-library_grid-template-columns: minmax(80px, auto) 120px 32px;
     `,
-        BaseRow: `
+    BaseRow: `
       font-size: 14px;
       .td {
         height: 28px;
       }
     `,
-        Row: `
+    Row: `
       cursor: pointer;
       background-color: #1e1e1e;
       &:nth-of-type(odd) .td {
@@ -120,7 +115,7 @@ const Dashboard = memo(() => {
         background-color: #177ac9;
       },
     `,
-        BaseCell: `
+    BaseCell: `
       &:nth-of-type(2) {
         text-align: right;
       }
@@ -128,9 +123,7 @@ const Dashboard = memo(() => {
         text-align: right;
       }
     `
-      }),
-    []
-  );
+  });
 
   const tree = useTree(
     { nodes: [...data.nodes] },
@@ -164,79 +157,64 @@ const Dashboard = memo(() => {
     }
   });
 
-  const nodeIds = useMemo(
-    () => data.nodes.map((item: DashboardItem) => item.id),
-    [data.nodes]
-  );
-
   useEffect(() => {
+    const nodeIds = data.nodes.map((item: DashboardItem) => item.id);
     showAll
       ? tree.fns.onAddAll(nodeIds) // expand tree
       : tree.fns.onRemoveAll(); // collapse tree
   }, [parentNodes]);
 
-  const showType = useCallback(
-    (n?: string, t?: number) => {
-      // if we have a name show it
-      if (n) {
-        return n;
+  const showType = (n?: string, t?: number) => {
+    // if we have a name show it
+    if (n) {
+      return n;
+    }
+    if (t) {
+      // otherwise pick translation based on type
+      switch (t) {
+        case DeviceType.CUSTOM:
+          return LL.CUSTOM_ENTITIES(0);
+        case DeviceType.ANALOGSENSOR:
+          return LL.ANALOG_SENSORS();
+        case DeviceType.TEMPERATURESENSOR:
+          return LL.TEMP_SENSORS();
+        case DeviceType.SCHEDULER:
+          return LL.SCHEDULER();
+        default:
+          break;
       }
-      if (t) {
-        // otherwise pick translation based on type
-        switch (t) {
-          case DeviceType.CUSTOM:
-            return LL.CUSTOM_ENTITIES(0);
-          case DeviceType.ANALOGSENSOR:
-            return LL.ANALOG_SENSORS();
-          case DeviceType.TEMPERATURESENSOR:
-            return LL.TEMP_SENSORS();
-          case DeviceType.SCHEDULER:
-            return LL.SCHEDULER();
-          default:
-            break;
-        }
-      }
-      return '';
-    },
-    [LL]
-  );
+    }
+    return '';
+  };
 
-  const showName = useCallback(
-    (di: DashboardItem) => {
-      if (di.id < 100) {
-        // if its a device (parent node) and has entities
-        if (di.nodes?.length) {
-          return (
-            <span style={{ fontSize: '15px' }}>
-              <DeviceIcon type_id={di.t ?? 0} />
-              &nbsp;&nbsp;{showType(di.n, di.t)}
-              <span style={{ color: 'lightblue' }}>&nbsp;({di.nodes?.length})</span>
-            </span>
-          );
-        }
+  const showName = (di: DashboardItem) => {
+    if (di.id < 100) {
+      // if its a device (parent node) and has entities
+      if (di.nodes?.length) {
+        return (
+          <span style={{ fontSize: '15px' }}>
+            <DeviceIcon type_id={di.t ?? 0} />
+            &nbsp;&nbsp;{showType(di.n, di.t)}
+            <span style={{ color: 'lightblue' }}>&nbsp;({di.nodes?.length})</span>
+          </span>
+        );
       }
-      if (di.dv) {
-        return <span>{di.dv.id.slice(2)}</span>;
-      }
-      return null;
-    },
-    [showType]
-  );
+    }
+    if (di.dv) {
+      return <span>{di.dv.id.slice(2)}</span>;
+    }
+    return null;
+  };
 
-  const hasMask = useCallback(
-    (id: string, mask: number) => (parseInt(id.slice(0, 2), 16) & mask) === mask,
-    []
-  );
+  const hasMask = (id: string, mask: number) =>
+    (parseInt(id.slice(0, 2), 16) & mask) === mask;
 
-  const editDashboardValue = useCallback(
-    (di: DashboardItem) => {
-      if (me.admin && di.dv?.c) {
-        setSelectedDashboardItem(di);
-        setDeviceValueDialogOpen(true);
-      }
-    },
-    [me.admin]
-  );
+  const editDashboardValue = (di: DashboardItem) => {
+    if (me.admin && di.dv?.c) {
+      setSelectedDashboardItem(di);
+      setDeviceValueDialogOpen(true);
+    }
+  };
 
   const handleShowAll = (
     _event: React.MouseEvent<HTMLElement>,
@@ -248,10 +226,9 @@ const Dashboard = memo(() => {
     }
   };
 
-  const hasFavEntities = useMemo(
-    () => data.nodes.filter((item: DashboardItem) => item.id <= 90).length,
-    [data.nodes]
-  );
+  const hasFavEntities = data.nodes.filter(
+    (item: DashboardItem) => item.id <= 90
+  ).length;
 
   const renderContent = () => {
     if (!data) {

interface/src/app/main/Devices.tsx

@@ -4,7 +4,6 @@ import {
   useContext,
   useEffect,
   useLayoutEffect,
-  useMemo,
   useState
 } from 'react';
 import { IconContext } from 'react-icons';
@@ -133,21 +132,19 @@ const Devices = memo(() => {
     };
   }, []);
 
-  const leftOffset = useCallback(() => {
+  const leftOffset = () => {
     const devicesWindow = document.getElementById('devices-window');
     if (!devicesWindow) return 0;
     const { left, right } = devicesWindow.getBoundingClientRect();
     if (!left || !right) return 0;
     return left + (right - left < 400 ? 0 : 200);
-  }, []);
+  };
 
-  const common_theme = useMemo(
-    () =>
-      useTheme({
-        BaseRow: `
+  const common_theme = useTheme({
+    BaseRow: `
       font-size: 14px;
     `,
-        HeaderRow: `
+    HeaderRow: `
       text-transform: uppercase;
       background-color: black;
       color: #90CAF9;
@@ -155,7 +152,7 @@ const Devices = memo(() => {
         border-bottom: 1px solid #565656;
       }
     `,
-        Row: `
+    Row: `
       cursor: pointer;
       background-color: #1E1E1E;
       .td {
@@ -165,88 +162,78 @@ const Devices = memo(() => {
         background-color: #177ac9;
       }
     `
-      }),
-    []
-  );
+  });
 
-  const device_theme = useMemo(
-    () =>
-      useTheme([
-        common_theme,
-        {
-          BaseRow: `
-          font-size: 15px;
-          .td {
-           height: 28px;
-          }
-        `,
-          Table: `
-        --data-table-library_grid-template-columns: repeat(1, minmax(0, 1fr)) 130px;
-      `,
-          HeaderRow: `
-        .th {
-          padding: 8px;
-      `,
-          Row: `
-        &:nth-of-type(odd) .td {
-            background-color: #303030;
-        },
-        &:hover .td {
-          background-color: #177ac9;
-        },
-      `
-        }
-      ]),
-    [common_theme]
-  );
-
-  const data_theme = useMemo(
-    () =>
-      useTheme([
-        common_theme,
-        {
-          Table: `
-        --data-table-library_grid-template-columns: minmax(200px, auto) minmax(150px, auto) 40px;
-        height: auto;
-        max-height: 100%;
-        overflow-y: scroll;
-        ::-webkit-scrollbar {
-          display:none;
+  const device_theme = useTheme([
+    common_theme,
+    {
+      BaseRow: `
+        font-size: 15px;
+        .td {
+         height: 28px;
         }
       `,
-          BaseRow: `
-      .td {
-        height: 32px;
-      }
-     `,
-          BaseCell: `
-        &:nth-of-type(1) {
-          border-left: 1px solid #177ac9;
-        },
-        &:nth-of-type(2) {
-          text-align: right;
-        },
-        &:nth-of-type(3) {
-          border-right: 1px solid #177ac9;
-        }
-      `,
-          HeaderRow: `
-        .th {
-          border-top: 1px solid #565656;
-        }
-      `,
-          Row: `
-        &:nth-of-type(odd) .td {
+      Table: `
+      --data-table-library_grid-template-columns: repeat(1, minmax(0, 1fr)) 130px;
+    `,
+      HeaderRow: `
+      .th {
+        padding: 8px;
+    `,
+      Row: `
+      &:nth-of-type(odd) .td {
           background-color: #303030;
-        },
-        &:hover .td {
-          background-color: #177ac9;
+      },
+      &:hover .td {
+        background-color: #177ac9;
+      },
+    `
+    }
+  ]);
+
+  const data_theme = useTheme([
+    common_theme,
+    {
+      Table: `
+      --data-table-library_grid-template-columns: minmax(200px, auto) minmax(150px, auto) 40px;
+      height: auto;
+      max-height: 100%;
+      overflow-y: scroll;
+      ::-webkit-scrollbar {
+        display:none;
       }
-      `
-        }
-      ]),
-    [common_theme]
-  );
+    `,
+      BaseRow: `
+    .td {
+      height: 32px;
+    }
+   `,
+      BaseCell: `
+      &:nth-of-type(1) {
+        border-left: 1px solid #177ac9;
+      },
+      &:nth-of-type(2) {
+        text-align: right;
+      },
+      &:nth-of-type(3) {
+        border-right: 1px solid #177ac9;
+      }
+    `,
+      HeaderRow: `
+      .th {
+        border-top: 1px solid #565656;
+      }
+    `,
+      Row: `
+      &:nth-of-type(odd) .td {
+        background-color: #303030;
+      },
+      &:hover .td {
+        background-color: #177ac9;
+    }
+    `
+    }
+  ]);
 
   const getSortIcon = (state: State, sortKey: unknown) => {
     if (state.sortKey === sortKey && state.reverse) {
@@ -345,10 +332,8 @@ const Devices = memo(() => {
     return sc;
   };
 
-  const hasMask = useCallback(
-    (id: string, mask: number) => (parseInt(id.slice(0, 2), 16) & mask) === mask,
-    []
-  );
+  const hasMask = (id: string, mask: number) =>
+    (parseInt(id.slice(0, 2), 16) & mask) === mask;
 
   const handleDownloadCsv = () => {
     const deviceIndex = coreData.devices.findIndex(
@@ -607,41 +592,35 @@ const Devices = memo(() => {
       return;
     }
 
-    const showDeviceValue = useCallback((dv: DeviceValue) => {
+    const showDeviceValue = (dv: DeviceValue) => {
       setSelectedDeviceValue(dv);
       setDeviceValueDialogOpen(true);
-    }, []);
+    };
 
-    const renderNameCell = useCallback(
-      (dv: DeviceValue) => (
-        <>
-          {dv.id.slice(2)}&nbsp;
-          {hasMask(dv.id, DeviceEntityMask.DV_FAVORITE) && (
-            <StarIcon color="primary" sx={{ fontSize: 12 }} />
-          )}
-          {hasMask(dv.id, DeviceEntityMask.DV_READONLY) && (
-            <EditOffOutlinedIcon color="primary" sx={{ fontSize: 12 }} />
-          )}
-          {hasMask(dv.id, DeviceEntityMask.DV_API_MQTT_EXCLUDE) && (
-            <CommentsDisabledOutlinedIcon color="primary" sx={{ fontSize: 12 }} />
-          )}
-        </>
-      ),
-      [hasMask]
+    const renderNameCell = (dv: DeviceValue) => (
+      <>
+        {dv.id.slice(2)}&nbsp;
+        {hasMask(dv.id, DeviceEntityMask.DV_FAVORITE) && (
+          <StarIcon color="primary" sx={{ fontSize: 12 }} />
+        )}
+        {hasMask(dv.id, DeviceEntityMask.DV_READONLY) && (
+          <EditOffOutlinedIcon color="primary" sx={{ fontSize: 12 }} />
+        )}
+        {hasMask(dv.id, DeviceEntityMask.DV_API_MQTT_EXCLUDE) && (
+          <CommentsDisabledOutlinedIcon color="primary" sx={{ fontSize: 12 }} />
+        )}
+      </>
     );
 
-    const shown_data = useMemo(() => {
-      if (onlyFav) {
-        return deviceData.nodes.filter(
+    const shown_data = onlyFav
+      ? deviceData.nodes.filter(
           (dv: DeviceValue) =>
             hasMask(dv.id, DeviceEntityMask.DV_FAVORITE) &&
             dv.id.slice(2).toLowerCase().includes(search.toLowerCase())
+        )
+      : deviceData.nodes.filter((dv: DeviceValue) =>
+          dv.id.slice(2).toLowerCase().includes(search.toLowerCase())
         );
-      }
-      return deviceData.nodes.filter((dv: DeviceValue) =>
-        dv.id.slice(2).toLowerCase().includes(search.toLowerCase())
-      );
-    }, [deviceData.nodes, onlyFav, search]);
 
     const deviceIndex = coreData.devices.findIndex(
       (d: Device) => d.id === device_select.state.id

interface/src/app/main/DevicesDialog.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 
 import CancelIcon from '@mui/icons-material/Cancel';
 import WarningIcon from '@mui/icons-material/Warning';
@@ -24,7 +24,7 @@ import type { ValidateFieldsError } from 'async-validator';
 import { ValidatedTextField } from 'components';
 import { useI18nContext } from 'i18n/i18n-react';
 import { numberValue, updateValue } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 
 import { DeviceValueUOM, DeviceValueUOM_s } from './types';
 import type { DeviceValue } from './types';
@@ -52,7 +52,7 @@ const DevicesDialog = ({
   const [editItem, setEditItem] = useState<DeviceValue>(selectedItem);
   const [fieldErrors, setFieldErrors] = useState<ValidateFieldsError>();
 
-  const updateFormValue = useMemo(() => updateValue(setEditItem), [setEditItem]);
+  const updateFormValue = updateValue(setEditItem);
 
   useEffect(() => {
     if (open) {
@@ -61,36 +61,33 @@ const DevicesDialog = ({
     }
   }, [open, selectedItem]);
 
-  const save = useCallback(async () => {
+  const save = async () => {
     try {
       setFieldErrors(undefined);
       await validate(validator, editItem);
       onSave(editItem);
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
-  }, [validator, editItem, onSave]);
+  };
 
-  const setUom = useCallback(
-    (uom?: DeviceValueUOM) => {
-      if (uom === undefined) {
-        return;
-      }
-      switch (uom) {
-        case DeviceValueUOM.HOURS:
-          return LL.HOURS();
-        case DeviceValueUOM.MINUTES:
-          return LL.MINUTES();
-        case DeviceValueUOM.SECONDS:
-          return LL.SECONDS();
-        default:
-          return DeviceValueUOM_s[uom];
-      }
-    },
-    [LL]
-  );
+  const setUom = (uom?: DeviceValueUOM) => {
+    if (uom === undefined) {
+      return;
+    }
+    switch (uom) {
+      case DeviceValueUOM.HOURS:
+        return LL.HOURS();
+      case DeviceValueUOM.MINUTES:
+        return LL.MINUTES();
+      case DeviceValueUOM.SECONDS:
+        return LL.SECONDS();
+      default:
+        return DeviceValueUOM_s[uom];
+    }
+  };
 
-  const showHelperText = useCallback((dv: DeviceValue) => {
+  const showHelperText = (dv: DeviceValue) => {
     if (dv.h) return dv.h;
     if (dv.l) return dv.l.join(' | ');
     if (dv.m !== undefined && dv.x !== undefined) {
@@ -101,26 +98,16 @@ const DevicesDialog = ({
       );
     }
     return undefined;
-  }, []);
+  };
 
-  const isCommand = useMemo(
-    () => selectedItem.v === '' && selectedItem.c,
-    [selectedItem.v, selectedItem.c]
-  );
-
-  const dialogTitle = useMemo(() => {
-    if (isCommand) return LL.RUN_COMMAND();
-    return writeable ? LL.CHANGE_VALUE() : LL.VALUE(0);
-  }, [isCommand, writeable, LL]);
-
-  const buttonLabel = useMemo(() => {
-    return isCommand ? LL.EXECUTE() : LL.UPDATE();
-  }, [isCommand, LL]);
-
-  const helperText = useMemo(
-    () => showHelperText(editItem),
-    [editItem, showHelperText]
-  );
+  const isCommand = selectedItem.v === '' && selectedItem.c;
+  const dialogTitle = isCommand
+    ? LL.RUN_COMMAND()
+    : writeable
+      ? LL.CHANGE_VALUE()
+      : LL.VALUE(0);
+  const buttonLabel = isCommand ? LL.EXECUTE() : LL.UPDATE();
+  const helperText = showHelperText(editItem);
 
   const valueLabel = LL.VALUE(0);
 

interface/src/app/main/EntityMaskToggle.tsx

@@ -1,5 +1,3 @@
-import { useCallback, useMemo } from 'react';
-
 import { ToggleButton, ToggleButtonGroup } from '@mui/material';
 
 import OptionIcon from './OptionIcon';
@@ -11,7 +9,6 @@ interface EntityMaskToggleProps {
   de: DeviceEntity;
 }
 
-// Available mask values
 const MASK_VALUES = [
   DeviceEntityMask.DV_WEB_EXCLUDE, // 1
   DeviceEntityMask.DV_API_MQTT_EXCLUDE, // 2
@@ -20,123 +17,95 @@ const MASK_VALUES = [
   DeviceEntityMask.DV_DELETED // 128
 ];
 
-/**
- * Converts an array of mask strings to a bitmask number
- */
-const getMaskNumber = (newMask: string[]): number => {
-  return newMask.reduce((mask, entry) => mask | Number(entry), 0);
-};
+const getMaskNumber = (newMask: string[]): number =>
+  newMask.reduce((mask, entry) => mask | Number(entry), 0);
 
-/**
- * Converts a bitmask number to an array of mask strings
- */
-const getMaskString = (mask: number): string[] => {
-  return MASK_VALUES.filter((value) => (mask & value) === value).map((value) =>
+const getMaskString = (mask: number): string[] =>
+  MASK_VALUES.filter((value) => (mask & value) === value).map((value) =>
     String(value)
   );
-};
 
-/**
- * Checks if a specific mask bit is set
- */
 const hasMask = (mask: number, flag: number): boolean => (mask & flag) === flag;
 
 const EntityMaskToggle = ({ onUpdate, de }: EntityMaskToggleProps) => {
-  const handleChange = useCallback(
-    (_event: unknown, mask: string[]) => {
-      // Convert selected masks to a number
-      const newMask = getMaskNumber(mask);
-      const updatedDe = { ...de };
+  const handleChange = (_event: unknown, mask: string[]) => {
+    const newMask = getMaskNumber(mask);
+    const updatedDe = { ...de };
 
-      // Apply business logic for mask interactions
-      // If entity has no name and is set to readonly, also exclude from web
-      if (updatedDe.n === '' && hasMask(newMask, DeviceEntityMask.DV_READONLY)) {
-        updatedDe.m = newMask | DeviceEntityMask.DV_WEB_EXCLUDE;
-      } else {
-        updatedDe.m = newMask;
-      }
+    // If entity has no name and is set to readonly, also exclude from web
+    if (updatedDe.n === '' && hasMask(newMask, DeviceEntityMask.DV_READONLY)) {
+      updatedDe.m = newMask | DeviceEntityMask.DV_WEB_EXCLUDE;
+    } else {
+      updatedDe.m = newMask;
+    }
 
-      // If excluded from web, cannot be favorite
-      if (hasMask(updatedDe.m, DeviceEntityMask.DV_WEB_EXCLUDE)) {
-        updatedDe.m = updatedDe.m & ~DeviceEntityMask.DV_FAVORITE;
-      }
+    // If excluded from web, cannot be favorite
+    if (hasMask(updatedDe.m, DeviceEntityMask.DV_WEB_EXCLUDE)) {
+      updatedDe.m = updatedDe.m & ~DeviceEntityMask.DV_FAVORITE;
+    }
 
-      onUpdate(updatedDe);
-    },
-    [de, onUpdate]
-  );
-
-  // Memoize mask string value
-  const maskStringValue = useMemo(() => getMaskString(de.m), [de.m]);
-
-  // Memoize disabled states
-  const isFavoriteDisabled = useMemo(
-    () =>
-      hasMask(de.m, DeviceEntityMask.DV_WEB_EXCLUDE | DeviceEntityMask.DV_DELETED) ||
-      de.n === undefined,
-    [de.m, de.n]
-  );
-
-  const isReadonlyDisabled = useMemo(
-    () =>
-      !de.w ||
-      hasMask(de.m, DeviceEntityMask.DV_WEB_EXCLUDE | DeviceEntityMask.DV_FAVORITE),
-    [de.w, de.m]
-  );
-
-  const isApiMqttExcludeDisabled = useMemo(
-    () => de.n === '' || hasMask(de.m, DeviceEntityMask.DV_DELETED),
-    [de.n, de.m]
-  );
-
-  const isWebExcludeDisabled = useMemo(
-    () => de.n === undefined || hasMask(de.m, DeviceEntityMask.DV_DELETED),
-    [de.n, de.m]
-  );
-
-  // Memoize mask flag checks
-  const isFavoriteSet = useMemo(
-    () => hasMask(de.m, DeviceEntityMask.DV_FAVORITE),
-    [de.m]
-  );
-  const isReadonlySet = useMemo(
-    () => hasMask(de.m, DeviceEntityMask.DV_READONLY),
-    [de.m]
-  );
-  const isApiMqttExcludeSet = useMemo(
-    () => hasMask(de.m, DeviceEntityMask.DV_API_MQTT_EXCLUDE),
-    [de.m]
-  );
-  const isWebExcludeSet = useMemo(
-    () => hasMask(de.m, DeviceEntityMask.DV_WEB_EXCLUDE),
-    [de.m]
-  );
-  const isDeletedSet = useMemo(
-    () => hasMask(de.m, DeviceEntityMask.DV_DELETED),
-    [de.m]
-  );
+    onUpdate(updatedDe);
+  };
 
   return (
     <ToggleButtonGroup
       size="small"
       color="secondary"
-      value={maskStringValue}
+      value={getMaskString(de.m)}
       onChange={handleChange}
     >
-      <ToggleButton value="8" disabled={isFavoriteDisabled}>
-        <OptionIcon type="favorite" isSet={isFavoriteSet} />
+      <ToggleButton
+        value="8"
+        disabled={
+          hasMask(
+            de.m,
+            DeviceEntityMask.DV_WEB_EXCLUDE | DeviceEntityMask.DV_DELETED
+          ) || de.n === undefined
+        }
+      >
+        <OptionIcon
+          type="favorite"
+          isSet={hasMask(de.m, DeviceEntityMask.DV_FAVORITE)}
+        />
       </ToggleButton>
-      <ToggleButton value="4" disabled={isReadonlyDisabled}>
-        <OptionIcon type="readonly" isSet={isReadonlySet} />
+      <ToggleButton
+        value="4"
+        disabled={
+          !de.w ||
+          hasMask(
+            de.m,
+            DeviceEntityMask.DV_WEB_EXCLUDE | DeviceEntityMask.DV_FAVORITE
+          )
+        }
+      >
+        <OptionIcon
+          type="readonly"
+          isSet={hasMask(de.m, DeviceEntityMask.DV_READONLY)}
+        />
       </ToggleButton>
-      <ToggleButton value="2" disabled={isApiMqttExcludeDisabled}>
-        <OptionIcon type="api_mqtt_exclude" isSet={isApiMqttExcludeSet} />
+      <ToggleButton
+        value="2"
+        disabled={de.n === '' || hasMask(de.m, DeviceEntityMask.DV_DELETED)}
+      >
+        <OptionIcon
+          type="api_mqtt_exclude"
+          isSet={hasMask(de.m, DeviceEntityMask.DV_API_MQTT_EXCLUDE)}
+        />
       </ToggleButton>
-      <ToggleButton value="1" disabled={isWebExcludeDisabled}>
-        <OptionIcon type="web_exclude" isSet={isWebExcludeSet} />
+      <ToggleButton
+        value="1"
+        disabled={de.n === undefined || hasMask(de.m, DeviceEntityMask.DV_DELETED)}
+      >
+        <OptionIcon
+          type="web_exclude"
+          isSet={hasMask(de.m, DeviceEntityMask.DV_WEB_EXCLUDE)}
+        />
       </ToggleButton>
       <ToggleButton value="128">
-        <OptionIcon type="deleted" isSet={isDeletedSet} />
+        <OptionIcon
+          type="deleted"
+          isSet={hasMask(de.m, DeviceEntityMask.DV_DELETED)}
+        />
       </ToggleButton>
     </ToggleButtonGroup>
   );

interface/src/app/main/Help.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useContext, useMemo, useState } from 'react';
+import { memo, useContext, useState } from 'react';
 import type { ReactElement } from 'react';
 import { toast } from 'react-toastify';
 
@@ -60,6 +60,8 @@ const AVATAR_STYLES: SxProps<Theme> = {
   bgcolor: '#72caf9'
 };
 
+const SYSTEM_INFO_API: APIcall = { device: 'system', cmd: 'info', id: 0 };
+
 const HelpComponent = () => {
   const { LL } = useI18nContext();
   useLayoutTitle(LL.HELP());
@@ -72,12 +74,7 @@ const HelpComponent = () => {
   });
   const [imgError, setImgError] = useState<boolean>(false);
 
-  const getCustomSupportMethod = useMemo(
-    () => callAction({ action: 'getCustomSupport' }),
-    []
-  );
-
-  useRequest(getCustomSupportMethod).onSuccess((event) => {
+  useRequest(callAction({ action: 'getCustomSupport' })).onSuccess((event) => {
     if (event?.data && Object.keys(event.data).length !== 0) {
       const { Support } = event.data as {
         Support: { img_url?: string; html?: string[] };
@@ -100,47 +97,26 @@ const HelpComponent = () => {
       toast.error(String(error.error?.message || 'An error occurred'));
     });
 
-  // Optimize API call memoization
-  const apiCall = useMemo(() => ({ device: 'system', cmd: 'info', id: 0 }), []);
+  const helpLinks: HelpLink[] = [
+    {
+      href: 'https://emsesp.org',
+      icon: <MenuBookIcon />,
+      label: () => LL.HELP_INFORMATION_1()
+    },
+    {
+      href: 'https://discord.gg/GP9DPSgeJq',
+      icon: <CommentIcon />,
+      label: () => LL.HELP_INFORMATION_2()
+    },
+    {
+      href: 'https://github.com/emsesp/EMS-ESP32/issues/new/choose',
+      icon: <GitHubIcon />,
+      label: () => LL.HELP_INFORMATION_3()
+    }
+  ];
 
-  const handleDownloadSystemInfo = useCallback(() => {
-    void sendAPI(apiCall);
-  }, [sendAPI, apiCall]);
-
-  const handleImageError = useCallback(() => {
-    setImgError(true);
-  }, []);
-
-  // Memoize help links to prevent recreation on every render
-  const helpLinks: HelpLink[] = useMemo(
-    () => [
-      {
-        href: 'https://emsesp.org',
-        icon: <MenuBookIcon />,
-        label: () => LL.HELP_INFORMATION_1()
-      },
-      {
-        href: 'https://discord.gg/GP9DPSgeJq',
-        icon: <CommentIcon />,
-        label: () => LL.HELP_INFORMATION_2()
-      },
-      {
-        href: 'https://github.com/emsesp/EMS-ESP32/issues/new/choose',
-        icon: <GitHubIcon />,
-        label: () => LL.HELP_INFORMATION_3()
-      }
-    ],
-    [LL]
-  );
-
-  const isAdmin = useMemo(() => me?.admin ?? false, [me?.admin]);
-
-  // Memoize image source computation
-  const imageSrc = useMemo(
-    () =>
-      imgError || !customSupport.img_url ? DEFAULT_IMAGE_URL : customSupport.img_url,
-    [imgError, customSupport.img_url]
-  );
+  const imageSrc =
+    imgError || !customSupport.img_url ? DEFAULT_IMAGE_URL : customSupport.img_url;
 
   return (
     <SectionContent>
@@ -157,13 +133,13 @@ const HelpComponent = () => {
             component="img"
             referrerPolicy="no-referrer"
             sx={IMAGE_STYLES}
-            onError={handleImageError}
+            onError={() => setImgError(true)}
             src={imageSrc}
           />
         </Stack>
       )}
 
-      {isAdmin && (
+      {me?.admin && (
         <List>
           {helpLinks.map(({ href, icon, label }) => (
             <ListItem key={href}>
@@ -191,7 +167,7 @@ const HelpComponent = () => {
           startIcon={<DownloadIcon />}
           variant="outlined"
           color="primary"
-          onClick={handleDownloadSystemInfo}
+          onClick={() => void sendAPI(SYSTEM_INFO_API)}
         >
           {LL.SUPPORT_INFORMATION(0)}
         </Button>
@@ -214,7 +190,6 @@ const HelpComponent = () => {
   );
 };
 
-// Memoize the component to prevent unnecessary re-renders
 const Help = memo(HelpComponent);
 
 export default Help;

interface/src/app/main/Modules.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useMemo, useState } from 'react';
+import { memo, useState } from 'react';
 import { useBlocker } from 'react-router';
 import { toast } from 'react-toastify';
 
@@ -69,58 +69,53 @@ const Modules = () => {
     }
   );
 
-  const modules_theme = useTheme(
-    useMemo(
-      () => ({
-        Table: `
-          --data-table-library_grid-template-columns: 48px 180px 120px 100px repeat(1, minmax(160px, 1fr)) 180px;
-        `,
-        BaseRow: `
-          font-size: 14px;
-          .td {
-            height: 32px;
-          }
-        `,
-        BaseCell: `
-          &:nth-of-type(1) {
-            text-align: center;
-          }
-        `,
-        HeaderRow: `
-          text-transform: uppercase;
-          background-color: black;
-          color: #90CAF9;
-          .th {
-            border-bottom: 1px solid #565656;
-            height: 36px;
-          }
-        `,
-        Row: `
-          background-color: #1e1e1e;
-          position: relative;
-          cursor: pointer;
-          .td {
-            border-top: 1px solid #565656;
-            border-bottom: 1px solid #565656;
-          }
-          &:hover .td {
-            border-top: 1px solid #177ac9;
-            border-bottom: 1px solid #177ac9;
-          }
-          &:nth-of-type(odd) .td {
-            background-color: #303030;
-          }
-        `
-      }),
-      []
-    )
-  );
+  const modules_theme = useTheme({
+    Table: `
+      --data-table-library_grid-template-columns: 48px 180px 120px 100px repeat(1, minmax(160px, 1fr)) 180px;
+    `,
+    BaseRow: `
+      font-size: 14px;
+      .td {
+        height: 32px;
+      }
+    `,
+    BaseCell: `
+      &:nth-of-type(1) {
+        text-align: center;
+      }
+    `,
+    HeaderRow: `
+      text-transform: uppercase;
+      background-color: black;
+      color: #90CAF9;
+      .th {
+        border-bottom: 1px solid #565656;
+        height: 36px;
+      }
+    `,
+    Row: `
+      background-color: #1e1e1e;
+      position: relative;
+      cursor: pointer;
+      .td {
+        border-top: 1px solid #565656;
+        border-bottom: 1px solid #565656;
+      }
+      &:hover .td {
+        border-top: 1px solid #177ac9;
+        border-bottom: 1px solid #177ac9;
+      }
+      &:nth-of-type(odd) .td {
+        background-color: #303030;
+      }
+    `
+  });
 
-  const onDialogClose = useCallback(() => {
+  const onDialogClose = () => {
     setDialogOpen(false);
-  }, []);
+  };
 
-  const updateModuleItem = useCallback((updatedItem: ModuleItem) => {
+  const updateModuleItem = (updatedItem: ModuleItem) => {
     void updateState(readModules(), (data: ModuleItem[]) => {
       const new_data = data.map((mi) =>
         mi.id === updatedItem.id ? { ...mi, ...updatedItem } : mi
@@ -128,28 +123,25 @@ const Modules = () => {
       setNumChanges(new_data.filter(hasModulesChanged).length);
       return new_data;
     });
-  }, []);
+  };
 
-  const onDialogSave = useCallback(
-    (updatedItem: ModuleItem) => {
-      setDialogOpen(false);
-      updateModuleItem(updatedItem);
-    },
-    [updateModuleItem]
-  );
+  const onDialogSave = (updatedItem: ModuleItem) => {
+    setDialogOpen(false);
+    updateModuleItem(updatedItem);
+  };
 
-  const editModuleItem = useCallback((mi: ModuleItem) => {
+  const editModuleItem = (mi: ModuleItem) => {
     setSelectedModuleItem(mi);
     setDialogOpen(true);
-  }, []);
+  };
 
-  const onCancel = useCallback(async () => {
+  const onCancel = async () => {
     await fetchModules().then(() => {
       setNumChanges(0);
     });
-  }, [fetchModules]);
+  };
 
-  const saveModules = useCallback(async () => {
+  const saveModules = async () => {
     try {
       await Promise.all(
         modules.map((condensed_mi: ModuleItem) =>
@@ -167,9 +159,9 @@ const Modules = () => {
       await fetchModules();
       setNumChanges(0);
     }
-  }, [modules, updateModules, LL, fetchModules]);
+  };
 
-  const content = useMemo(() => {
+  const renderContent = () => {
     if (!modules) {
       return (
         <FormLoader onRetry={fetchModules} errorMessage={error?.message || ''} />
@@ -262,22 +254,12 @@ const Modules = () => {
         </Box>
       </>
     );
-  }, [
-    modules,
-    fetchModules,
-    error,
-    modules_theme,
-    editModuleItem,
-    LL,
-    numChanges,
-    onCancel,
-    saveModules
-  ]);
+  };
 
   return (
     <SectionContent>
       {blocker ? <BlockNavigation blocker={blocker} /> : null}
-      {content}
+      {renderContent()}
       {selectedModuleItem && (
         <ModulesDialog
           open={dialogOpen}

interface/src/app/main/ModulesDialog.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 
 import CancelIcon from '@mui/icons-material/Cancel';
 import DoneIcon from '@mui/icons-material/Done';
@@ -37,14 +37,10 @@ const ModulesDialog = ({
   const { LL } = useI18nContext();
   const [editItem, setEditItem] = useState<ModuleItem>(selectedItem);
 
-  const updateFormValue = useMemo(
-    () =>
-      updateValue(
-        setEditItem as unknown as React.Dispatch<
-          React.SetStateAction<Record<string, unknown>>
-        >
-      ),
-    []
+  const updateFormValue = updateValue(
+    setEditItem as unknown as React.Dispatch<
+      React.SetStateAction<Record<string, unknown>>
+    >
   );
 
   // Sync form state when dialog opens or selected item changes
@@ -54,18 +50,13 @@ const ModulesDialog = ({
     }
   }, [open, selectedItem]);
 
-  const handleSave = useCallback(() => {
+  const handleSave = () => {
     onSave(editItem);
-  }, [editItem, onSave]);
-
-  const dialogTitle = useMemo(
-    () => `${LL.EDIT()} ${editItem.key}`,
-    [LL, editItem.key]
-  );
+  };
 
   return (
     <Dialog sx={dialogStyle} fullWidth maxWidth="xs" open={open} onClose={onClose}>
-      <DialogTitle>{dialogTitle}</DialogTitle>
+      <DialogTitle>{`${LL.EDIT()} ${editItem.key}`}</DialogTitle>
       <DialogContent dividers>
         <Grid container>
           <BlockFormControlLabel

interface/src/app/main/Scheduler.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 import { useBlocker } from 'react-router';
 import { toast } from 'react-toastify';
 
@@ -132,7 +132,7 @@ const Scheduler = () => {
     }
   );
 
-  const hasScheduleChanged = useCallback((si: ScheduleItem) => {
+  const hasScheduleChanged = (si: ScheduleItem) => {
     return (
       si.id !== si.o_id ||
       (si.name || '') !== (si.o_name || '') ||
@@ -143,15 +143,13 @@ const Scheduler = () => {
       si.cmd !== si.o_cmd ||
       si.value !== si.o_value
     );
-  }, []);
+  };
 
-  const intervalCallback = useCallback(() => {
+  useInterval(() => {
     if (numChanges === 0) {
       void fetchSchedule();
     }
-  }, [numChanges, fetchSchedule]);
-
-  useInterval(intervalCallback, INTERVAL_DELAY);
+  }, INTERVAL_DELAY);
 
   useEffect(() => {
     const formatter = new Intl.DateTimeFormat(locale, {
@@ -169,7 +167,7 @@ const Scheduler = () => {
 
   const schedule_theme = useTheme(scheduleTheme);
 
-  const saveSchedule = useCallback(async () => {
+  const saveSchedule = async () => {
     try {
       await updateSchedule({
         schedule: schedule
@@ -192,46 +190,43 @@ const Scheduler = () => {
       await fetchSchedule();
       setNumChanges(0);
     }
-  }, [LL, schedule, updateSchedule, fetchSchedule]);
+  };
 
-  const editScheduleItem = useCallback((si: ScheduleItem) => {
+  const editScheduleItem = (si: ScheduleItem) => {
     setCreating(false);
     setSelectedScheduleItem(si);
     setDialogOpen(true);
     if (si.o_name === undefined) {
       si.o_name = si.name;
     }
-  }, []);
+  };
 
-  const onDialogClose = useCallback(() => {
+  const onDialogClose = () => {
     setDialogOpen(false);
-  }, []);
+  };
 
-  const onDialogCancel = useCallback(async () => {
+  const onDialogCancel = async () => {
     await fetchSchedule().then(() => {
       setNumChanges(0);
     });
-  }, [fetchSchedule]);
+  };
 
-  const onDialogSave = useCallback(
-    (updatedItem: ScheduleItem) => {
-      setDialogOpen(false);
-      void updateState(readSchedule(), (data: ScheduleItem[]) => {
-        const new_data = creating
-          ? [...data, updatedItem]
-          : data.map((si) =>
-              si.id === updatedItem.id ? { ...si, ...updatedItem } : si
-            );
+  const onDialogSave = (updatedItem: ScheduleItem) => {
+    setDialogOpen(false);
+    void updateState(readSchedule(), (data: ScheduleItem[]) => {
+      const new_data = creating
+        ? [...data, updatedItem]
+        : data.map((si) =>
+            si.id === updatedItem.id ? { ...si, ...updatedItem } : si
+          );
 
-        setNumChanges(new_data.filter((si) => hasScheduleChanged(si)).length);
+      setNumChanges(new_data.filter((si) => hasScheduleChanged(si)).length);
 
-        return new_data;
-      });
-    },
-    [creating, hasScheduleChanged]
-  );
+      return new_data;
+    });
+  };
 
-  const addScheduleItem = useCallback(() => {
+  const addScheduleItem = () => {
     setCreating(true);
     const newItem: ScheduleItem = {
       id: Math.floor(Math.random() * (MAX_ID - MIN_ID) + MIN_ID),
@@ -239,36 +234,29 @@ const Scheduler = () => {
     };
     setSelectedScheduleItem(newItem);
     setDialogOpen(true);
-  }, []);
+  };
 
-  const filteredAndSortedSchedule = useMemo(
-    () =>
-      schedule
-        .filter((si: ScheduleItem) => !si.deleted)
-        .sort((a: ScheduleItem, b: ScheduleItem) => a.flags - b.flags),
-    [schedule]
-  );
+  const filteredAndSortedSchedule = schedule
+    .filter((si: ScheduleItem) => !si.deleted)
+    .sort((a: ScheduleItem, b: ScheduleItem) => a.flags - b.flags);
 
-  const dayBox = useCallback(
-    (si: ScheduleItem, flag: number) => {
-      const dayIndex = Math.log(flag) / LOG_2;
-      const isActive = (si.flags & flag) === flag;
+  const dayBox = (si: ScheduleItem, flag: number) => {
+    const dayIndex = Math.log(flag) / LOG_2;
+    const isActive = (si.flags & flag) === flag;
 
-      return (
-        <>
-          <Box>
-            <Typography sx={{ fontSize: 11 }} color={isActive ? 'primary' : 'grey'}>
-              {dow[dayIndex]}
-            </Typography>
-          </Box>
-          <Divider orientation="vertical" flexItem />
-        </>
-      );
-    },
-    [dow]
-  );
+    return (
+      <>
+        <Box>
+          <Typography sx={{ fontSize: 11 }} color={isActive ? 'primary' : 'grey'}>
+            {dow[dayIndex]}
+          </Typography>
+        </Box>
+        <Divider orientation="vertical" flexItem />
+      </>
+    );
+  };
 
-  const scheduleType = useCallback((si: ScheduleItem) => {
+  const scheduleType = (si: ScheduleItem) => {
     const label = scheduleTypeLabels[si.flags];
 
     return (
@@ -278,9 +266,9 @@ const Scheduler = () => {
         </Typography>
       </Box>
     );
-  }, []);
+  };
 
-  const renderSchedule = useCallback(() => {
+  const renderSchedule = () => {
     if (!schedule) {
       return (
         <FormLoader onRetry={fetchSchedule} errorMessage={error?.message || ''} />
@@ -343,17 +331,7 @@ const Scheduler = () => {
         )}
       </Table>
     );
-  }, [
-    schedule,
-    error,
-    fetchSchedule,
-    filteredAndSortedSchedule,
-    schedule_theme,
-    editScheduleItem,
-    LL,
-    dayBox,
-    scheduleType
-  ]);
+  };
 
   return (
     <SectionContent>

interface/src/app/main/SchedulerDialog.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 
 import AddIcon from '@mui/icons-material/Add';
 import CancelIcon from '@mui/icons-material/Cancel';
@@ -26,7 +26,7 @@ import type { ValidateFieldsError } from 'async-validator';
 import { BlockFormControlLabel, ValidatedTextField } from 'components';
 import { useI18nContext } from 'i18n/i18n-react';
 import { updateValue } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 
 import { ScheduleFlag } from './types';
 import type { ScheduleItem } from './types';
@@ -60,6 +60,12 @@ const FLAG_VALUES = [
   ScheduleFlag.SCHEDULE_SAT
 ] as const;
 
+const getFlagDOWnumber = (flags: string[]) =>
+  flags.reduce((acc, flag) => acc | Number(flag), 0) & FLAG_MASK_127;
+
+const getFlagDOWstring = (f: number) =>
+  FLAG_VALUES.filter((flag) => (f & flag) === flag).map((flag) => String(flag));
+
 interface SchedulerDialogProps {
   open: boolean;
   creating: boolean;
@@ -84,14 +90,10 @@ const SchedulerDialog = ({
   const [fieldErrors, setFieldErrors] = useState<ValidateFieldsError>();
   const [scheduleType, setScheduleType] = useState<ScheduleFlag>();
 
-  const updateFormValue = useMemo(
-    () =>
-      updateValue(
-        setEditItem as unknown as React.Dispatch<
-          React.SetStateAction<Record<string, unknown>>
-        >
-      ),
-    []
+  const updateFormValue = updateValue(
+    setEditItem as unknown as React.Dispatch<
+      React.SetStateAction<Record<string, unknown>>
+    >
   );
 
   useEffect(() => {
@@ -112,129 +114,95 @@ const SchedulerDialog = ({
     }
   }, [open, selectedItem]);
 
-  // Helper function to handle save operations
-  const handleSave = useCallback(
-    async (itemToSave: ScheduleItem) => {
-      try {
-        setFieldErrors(undefined);
-        await validate(validator, itemToSave);
-        onSave(itemToSave);
-      } catch (error) {
-        setFieldErrors(error as ValidateFieldsError);
-      }
-    },
-    [validator, onSave]
-  );
-
-  const save = useCallback(async () => {
-    await handleSave(editItem);
-  }, [editItem, handleSave]);
-
-  const saveandactivate = useCallback(async () => {
-    await handleSave({ ...editItem, active: true });
-  }, [editItem, handleSave]);
-
-  const remove = useCallback(() => {
-    onSave({ ...editItem, deleted: true });
-  }, [editItem, onSave]);
-
-  // Optimize DOW flag conversion
-  const getFlagDOWnumber = useCallback((flags: string[]) => {
-    return flags.reduce((acc, flag) => acc | Number(flag), 0) & FLAG_MASK_127;
-  }, []);
-
-  const getFlagDOWstring = useCallback((f: number) => {
-    return FLAG_VALUES.filter((flag) => (f & flag) === flag).map((flag) =>
-      String(flag)
-    );
-  }, []);
-
-  // Day of week display component
-  const DayOfWeekButton = useCallback(
-    (flag: number) => {
-      const dayIndex = Math.log2(flag);
-      const isSelected = (editItem.flags & flag) === flag;
-      return (
-        <Typography
-          sx={{ fontSize: TYPOGRAPHY_FONT_SIZE }}
-          color={isSelected ? 'primary' : 'grey'}
-        >
-          {dow[dayIndex]}
-        </Typography>
-      );
-    },
-    [editItem.flags, dow]
-  );
-
-  const handleClose = useCallback(
-    (_event: React.SyntheticEvent, reason: 'backdropClick' | 'escapeKeyDown') => {
-      if (reason !== 'backdropClick') {
-        onClose();
-      }
-    },
-    [onClose]
-  );
-
-  const handleScheduleTypeChange = useCallback(
-    (_event: React.SyntheticEvent<HTMLElement>, flag: ScheduleFlag | null) => {
-      if (flag !== null) {
-        setFieldErrors(undefined); // clear any validation errors
-        setScheduleType(flag);
-        // wipe the time field when changing the schedule type
-        // set the flags based on type
-        const newFlags = flag === ScheduleFlag.SCHEDULE_DAY ? FLAG_ALL_DAYS : flag;
-        setEditItem((prev) => ({ ...prev, time: '', flags: newFlags }));
-      }
-    },
-    []
-  );
-
-  const handleDOWChange = useCallback(
-    (_event: React.SyntheticEvent<HTMLElement>, flags: string[]) => {
-      const newFlags =
-        getFlagDOWnumber(flags) === 0 ? FLAG_ALL_DAYS : getFlagDOWnumber(flags);
-      setEditItem((prev) => ({ ...prev, flags: newFlags }));
-    },
-    [getFlagDOWnumber]
-  );
-
-  // Memoize derived values
-  const isDaySchedule = useMemo(
-    () => scheduleType === ScheduleFlag.SCHEDULE_DAY,
-    [scheduleType]
-  );
-  const isTimerSchedule = useMemo(
-    () => scheduleType === ScheduleFlag.SCHEDULE_TIMER,
-    [scheduleType]
-  );
-  const isImmediateSchedule = useMemo(
-    () => scheduleType === ScheduleFlag.SCHEDULE_IMMEDIATE,
-    [scheduleType]
-  );
-  const needsTimeField = useMemo(
-    () => isDaySchedule || isTimerSchedule,
-    [isDaySchedule, isTimerSchedule]
-  );
-
-  const dowFlags = useMemo(
-    () => getFlagDOWstring(editItem.flags),
-    [editItem.flags, getFlagDOWstring]
-  );
-
-  const timeFieldValue = useMemo(() => {
-    if (needsTimeField) {
-      return editItem.time === '' ? DEFAULT_TIME : editItem.time;
+  const handleSave = async (itemToSave: ScheduleItem) => {
+    try {
+      setFieldErrors(undefined);
+      await validate(validator, itemToSave);
+      onSave(itemToSave);
+    } catch (error) {
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
-    return editItem.time === DEFAULT_TIME ? '' : editItem.time;
-  }, [editItem.time, needsTimeField]);
+  };
 
-  const timeFieldLabel = useMemo(() => {
+  const save = async () => {
+    await handleSave(editItem);
+  };
+
+  const saveandactivate = async () => {
+    await handleSave({ ...editItem, active: true });
+  };
+
+  const remove = () => {
+    onSave({ ...editItem, deleted: true });
+  };
+
+  const DayOfWeekButton = (flag: number) => {
+    const dayIndex = Math.log2(flag);
+    const isSelected = (editItem.flags & flag) === flag;
+    return (
+      <Typography
+        sx={{ fontSize: TYPOGRAPHY_FONT_SIZE }}
+        color={isSelected ? 'primary' : 'grey'}
+      >
+        {dow[dayIndex]}
+      </Typography>
+    );
+  };
+
+  const handleClose = (
+    _event: React.SyntheticEvent,
+    reason: 'backdropClick' | 'escapeKeyDown'
+  ) => {
+    if (reason !== 'backdropClick') {
+      onClose();
+    }
+  };
+
+  const handleScheduleTypeChange = (
+    _event: React.SyntheticEvent<HTMLElement>,
+    flag: ScheduleFlag | null
+  ) => {
+    if (flag !== null) {
+      setFieldErrors(undefined); // clear any validation errors
+      setScheduleType(flag);
+      // wipe the time field when changing the schedule type
+      // set the flags based on type
+      const newFlags = flag === ScheduleFlag.SCHEDULE_DAY ? FLAG_ALL_DAYS : flag;
+      setEditItem((prev) => ({ ...prev, time: '', flags: newFlags }));
+    }
+  };
+
+  const handleDOWChange = (
+    _event: React.SyntheticEvent<HTMLElement>,
+    flags: string[]
+  ) => {
+    const newFlags =
+      getFlagDOWnumber(flags) === 0 ? FLAG_ALL_DAYS : getFlagDOWnumber(flags);
+    setEditItem((prev) => ({ ...prev, flags: newFlags }));
+  };
+
+  const isDaySchedule = scheduleType === ScheduleFlag.SCHEDULE_DAY;
+  const isTimerSchedule = scheduleType === ScheduleFlag.SCHEDULE_TIMER;
+  const isImmediateSchedule = scheduleType === ScheduleFlag.SCHEDULE_IMMEDIATE;
+  const needsTimeField = isDaySchedule || isTimerSchedule;
+
+  const dowFlags = getFlagDOWstring(editItem.flags);
+
+  const timeFieldValue = needsTimeField
+    ? editItem.time === ''
+      ? DEFAULT_TIME
+      : editItem.time
+    : editItem.time === DEFAULT_TIME
+      ? ''
+      : editItem.time;
+
+  const timeFieldLabel = (() => {
     if (scheduleType === ScheduleFlag.SCHEDULE_TIMER) return LL.TIMER(1);
     if (scheduleType === ScheduleFlag.SCHEDULE_CONDITION) return LL.CONDITION();
     if (scheduleType === ScheduleFlag.SCHEDULE_ONCHANGE) return LL.ONCHANGE();
     if (scheduleType === ScheduleFlag.SCHEDULE_IMMEDIATE) return LL.IMMEDIATE();
     return LL.TIME(1);
-  }, [scheduleType, LL]);
+  })();
 
   return (
     <Dialog sx={dialogStyle} open={open} onClose={handleClose}>

interface/src/app/main/Sensors.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useContext, useMemo, useRef, useState } from 'react';
+import { useContext, useRef, useState } from 'react';
 import { toast } from 'react-toastify';
 
 import AddCircleOutlineOutlinedIcon from '@mui/icons-material/AddCircleOutlineOutlined';
@@ -158,18 +158,16 @@ const Sensors = () => {
     }
   );
 
-  const intervalCallback = useCallback(() => {
+  useInterval(() => {
     if (!temperatureDialogOpen && !analogDialogOpen) {
       void fetchSensorData();
     }
-  }, [temperatureDialogOpen, analogDialogOpen, fetchSensorData]);
-
-  useInterval(intervalCallback);
+  });
 
   const temperature_theme = useTheme([common_theme, temperature_theme_config]);
   const analog_theme = useTheme([common_theme, analog_theme_config]);
 
-  const getSortIcon = useCallback((state: State, sortKey: unknown) => {
+  const getSortIcon = (state: State, sortKey: unknown) => {
     if (state.sortKey === sortKey && state.reverse) {
       return <KeyboardArrowDownOutlinedIcon />;
     }
@@ -177,7 +175,7 @@ const Sensors = () => {
       return <KeyboardArrowUpOutlinedIcon />;
     }
     return <UnfoldMoreOutlinedIcon />;
-  }, []);
+  };
 
   const analog_sort = useSort(
     { nodes: sensorData.as },
@@ -234,119 +232,104 @@ const Sensors = () => {
 
   useLayoutTitle(LL.SENSORS());
 
-  const formatDurationMin = useCallback(
-    (duration_min: number) => {
-      const totalMs = duration_min * MS_PER_MINUTE;
-      const days = Math.trunc(totalMs / MS_PER_DAY);
-      const hours = Math.trunc(totalMs / MS_PER_HOUR) % 24;
-      const minutes = Math.trunc(totalMs / MS_PER_MINUTE) % 60;
+  const formatDurationMin = (duration_min: number) => {
+    const totalMs = duration_min * MS_PER_MINUTE;
+    const days = Math.trunc(totalMs / MS_PER_DAY);
+    const hours = Math.trunc(totalMs / MS_PER_HOUR) % 24;
+    const minutes = Math.trunc(totalMs / MS_PER_MINUTE) % 60;
 
-      const parts: string[] = [];
-      if (days > 0) {
-        parts.push(LL.NUM_DAYS({ num: days }));
-      }
-      if (hours > 0) {
-        parts.push(LL.NUM_HOURS({ num: hours }));
-      }
-      if (minutes > 0) {
-        parts.push(LL.NUM_MINUTES({ num: minutes }));
-      }
-      return parts.join(' ');
-    },
-    [LL]
-  );
+    const parts: string[] = [];
+    if (days > 0) {
+      parts.push(LL.NUM_DAYS({ num: days }));
+    }
+    if (hours > 0) {
+      parts.push(LL.NUM_HOURS({ num: hours }));
+    }
+    if (minutes > 0) {
+      parts.push(LL.NUM_MINUTES({ num: minutes }));
+    }
+    return parts.join(' ');
+  };
 
-  const formatValue = useCallback(
-    (value: unknown, uom: DeviceValueUOM) => {
-      if (value === undefined) {
-        return '';
-      }
-      if (typeof value !== 'number') {
-        return value as string;
-      }
-      switch (uom) {
-        case DeviceValueUOM.HOURS:
-          return value ? formatDurationMin(value * 60) : LL.NUM_HOURS({ num: 0 });
-        case DeviceValueUOM.MINUTES:
-          return value ? formatDurationMin(value) : LL.NUM_MINUTES({ num: 0 });
-        case DeviceValueUOM.SECONDS:
-          return LL.NUM_SECONDS({ num: value });
-        case DeviceValueUOM.NONE:
-          return new Intl.NumberFormat().format(value);
-        case DeviceValueUOM.DEGREES:
-        case DeviceValueUOM.DEGREES_R:
-        case DeviceValueUOM.FAHRENHEIT:
-          return (
-            new Intl.NumberFormat(undefined, {
-              minimumFractionDigits: 1
-            }).format(value) +
-            ' ' +
-            DeviceValueUOM_s[uom]
-          );
-        default:
-          return new Intl.NumberFormat().format(value) + ' ' + DeviceValueUOM_s[uom];
-      }
-    },
-    [formatDurationMin, LL]
-  );
+  const formatValue = (value: unknown, uom: DeviceValueUOM) => {
+    if (value === undefined) {
+      return '';
+    }
+    if (typeof value !== 'number') {
+      return value as string;
+    }
+    switch (uom) {
+      case DeviceValueUOM.HOURS:
+        return value ? formatDurationMin(value * 60) : LL.NUM_HOURS({ num: 0 });
+      case DeviceValueUOM.MINUTES:
+        return value ? formatDurationMin(value) : LL.NUM_MINUTES({ num: 0 });
+      case DeviceValueUOM.SECONDS:
+        return LL.NUM_SECONDS({ num: value });
+      case DeviceValueUOM.NONE:
+        return new Intl.NumberFormat().format(value);
+      case DeviceValueUOM.DEGREES:
+      case DeviceValueUOM.DEGREES_R:
+      case DeviceValueUOM.FAHRENHEIT:
+        return (
+          new Intl.NumberFormat(undefined, {
+            minimumFractionDigits: 1
+          }).format(value) +
+          ' ' +
+          DeviceValueUOM_s[uom]
+        );
+      default:
+        return new Intl.NumberFormat().format(value) + ' ' + DeviceValueUOM_s[uom];
+    }
+  };
 
-  const updateTemperatureSensor = useCallback(
-    (ts: TemperatureSensor) => {
-      if (me.admin) {
-        ts.o_n = ts.n;
-        setSelectedTemperatureSensor(ts);
-        setTemperatureDialogOpen(true);
-      }
-    },
-    [me.admin]
-  );
+  const updateTemperatureSensor = (ts: TemperatureSensor) => {
+    if (me.admin) {
+      ts.o_n = ts.n;
+      setSelectedTemperatureSensor(ts);
+      setTemperatureDialogOpen(true);
+    }
+  };
 
-  const onTemperatureDialogClose = useCallback(() => {
+  const onTemperatureDialogClose = () => {
     setTemperatureDialogOpen(false);
     void fetchSensorData();
-  }, [fetchSensorData]);
+  };
 
-  const onTemperatureDialogSave = useCallback(
-    async (ts: TemperatureSensor) => {
-      await sendTemperatureSensor({
-        id: ts.id,
-        name: ts.n,
-        offset: ts.o,
-        is_system: ts.s
+  const onTemperatureDialogSave = async (ts: TemperatureSensor) => {
+    await sendTemperatureSensor({
+      id: ts.id,
+      name: ts.n,
+      offset: ts.o,
+      is_system: ts.s
+    })
+      .then(() => {
+        toast.success(LL.UPDATED_OF(LL.SENSOR(1)));
       })
-        .then(() => {
-          toast.success(LL.UPDATED_OF(LL.SENSOR(1)));
-        })
-        .catch(() => {
-          toast.error(LL.UPDATE_OF(LL.SENSOR(2)) + ' ' + LL.FAILED(1));
-        })
-        .finally(() => {
-          setTemperatureDialogOpen(false);
-          setSelectedTemperatureSensor(undefined);
-          void fetchSensorData();
-        });
-    },
-    [sendTemperatureSensor, LL, fetchSensorData]
-  );
+      .catch(() => {
+        toast.error(LL.UPDATE_OF(LL.SENSOR(2)) + ' ' + LL.FAILED(1));
+      })
+      .finally(() => {
+        setTemperatureDialogOpen(false);
+        setSelectedTemperatureSensor(undefined);
+        void fetchSensorData();
+      });
+  };
 
-  const updateAnalogSensor = useCallback(
-    (as: AnalogSensor) => {
-      if (me.admin) {
-        setCreating(false);
-        as.o_n = as.n;
-        setSelectedAnalogSensor(as);
-        setAnalogDialogOpen(true);
-      }
-    },
-    [me.admin]
-  );
+  const updateAnalogSensor = (as: AnalogSensor) => {
+    if (me.admin) {
+      setCreating(false);
+      as.o_n = as.n;
+      setSelectedAnalogSensor(as);
+      setAnalogDialogOpen(true);
+    }
+  };
 
-  const onAnalogDialogClose = useCallback(() => {
+  const onAnalogDialogClose = () => {
     setAnalogDialogOpen(false);
     void fetchSensorData();
-  }, [fetchSensorData]);
+  };
 
-  const addAnalogSensor = useCallback(() => {
+  const addAnalogSensor = () => {
     if (firstAvailableGPIO.current === undefined) {
       toast.error(LL.NO_GPIO());
       return;
@@ -366,194 +349,167 @@ const Sensors = () => {
       o_n: ''
     });
     setAnalogDialogOpen(true);
-  }, []);
+  };
 
-  const onAnalogDialogSave = useCallback(
-    async (as: AnalogSensor) => {
-      await sendAnalogSensor({
-        id: as.id,
-        gpio: as.g,
-        name: as.n,
-        offset: as.o,
-        factor: as.f,
-        uom: as.u,
-        type: as.t,
-        deleted: as.d,
-        is_system: as.s
+  const onAnalogDialogSave = async (as: AnalogSensor) => {
+    await sendAnalogSensor({
+      id: as.id,
+      gpio: as.g,
+      name: as.n,
+      offset: as.o,
+      factor: as.f,
+      uom: as.u,
+      type: as.t,
+      deleted: as.d,
+      is_system: as.s
+    })
+      .then(() => {
+        toast.success(LL.UPDATED_OF(LL.ANALOG_SENSOR(2)));
       })
-        .then(() => {
-          toast.success(LL.UPDATED_OF(LL.ANALOG_SENSOR(2)));
-        })
-        .catch(() => {
-          toast.error(LL.UPDATE_OF(LL.ANALOG_SENSOR(5)) + ' ' + LL.FAILED(1));
-        })
-        .finally(() => {
-          setAnalogDialogOpen(false);
-          setSelectedAnalogSensor(undefined);
-          void fetchSensorData();
-        });
-    },
-    [sendAnalogSensor, LL, fetchSensorData]
+      .catch(() => {
+        toast.error(LL.UPDATE_OF(LL.ANALOG_SENSOR(5)) + ' ' + LL.FAILED(1));
+      })
+      .finally(() => {
+        setAnalogDialogOpen(false);
+        setSelectedAnalogSensor(undefined);
+        void fetchSensorData();
+      });
+  };
+
+  const RenderAnalogSensors = (
+    <Table
+      data={{ nodes: sensorData.as }}
+      theme={analog_theme}
+      sort={analog_sort}
+      layout={{ custom: true }}
+    >
+      {(tableList: AnalogSensor[]) => (
+        <>
+          <Header>
+            <HeaderRow>
+              <HeaderCell stiff>
+                <Button
+                  fullWidth
+                  style={HEADER_BUTTON_STYLE}
+                  endIcon={getSortIcon(analog_sort.state, 'GPIO')}
+                  onClick={() => analog_sort.fns.onToggleSort({ sortKey: 'GPIO' })}
+                >
+                  GPIO
+                </Button>
+              </HeaderCell>
+              <HeaderCell resize>
+                <Button
+                  fullWidth
+                  style={HEADER_BUTTON_STYLE}
+                  endIcon={getSortIcon(analog_sort.state, 'NAME')}
+                  onClick={() => analog_sort.fns.onToggleSort({ sortKey: 'NAME' })}
+                >
+                  {LL.NAME(0)}
+                </Button>
+              </HeaderCell>
+              <HeaderCell stiff>
+                <Button
+                  fullWidth
+                  style={HEADER_BUTTON_STYLE}
+                  endIcon={getSortIcon(analog_sort.state, 'TYPE')}
+                  onClick={() => analog_sort.fns.onToggleSort({ sortKey: 'TYPE' })}
+                >
+                  {LL.TYPE(0)}
+                </Button>
+              </HeaderCell>
+              <HeaderCell stiff>
+                <Button
+                  fullWidth
+                  style={HEADER_BUTTON_STYLE_END}
+                  endIcon={getSortIcon(analog_sort.state, 'VALUE')}
+                  onClick={() => analog_sort.fns.onToggleSort({ sortKey: 'VALUE' })}
+                >
+                  {LL.VALUE(0)}
+                </Button>
+              </HeaderCell>
+            </HeaderRow>
+          </Header>
+          <Body>
+            {tableList.map((as: AnalogSensor) => (
+              <Row
+                style={{ color: as.s ? 'grey' : 'inherit' }}
+                key={as.id}
+                item={as}
+                onClick={() => updateAnalogSensor(as)}
+              >
+                <Cell stiff>{as.g}</Cell>
+                <Cell>{as.n}</Cell>
+                <Cell stiff>{AnalogTypeNames[as.t - 1]} </Cell>
+                {(as.t === AnalogType.DIGITAL_OUT &&
+                  as.g !== GPIO_25 &&
+                  as.g !== GPIO_26) ||
+                as.t === AnalogType.DIGITAL_IN ||
+                as.t === AnalogType.PULSE ? (
+                  <Cell stiff>{as.v ? LL.ON() : LL.OFF()}</Cell>
+                ) : (
+                  <Cell stiff>{formatValue(as.v, as.u)}</Cell>
+                )}
+              </Row>
+            ))}
+          </Body>
+        </>
+      )}
+    </Table>
   );
 
-  const RenderAnalogSensors = useMemo(
-    () => (
-      <Table
-        data={{ nodes: sensorData.as }}
-        theme={analog_theme}
-        sort={analog_sort}
-        layout={{ custom: true }}
-      >
-        {(tableList: AnalogSensor[]) => (
-          <>
-            <Header>
-              <HeaderRow>
-                <HeaderCell stiff>
-                  <Button
-                    fullWidth
-                    style={HEADER_BUTTON_STYLE}
-                    endIcon={getSortIcon(analog_sort.state, 'GPIO')}
-                    onClick={() => analog_sort.fns.onToggleSort({ sortKey: 'GPIO' })}
-                  >
-                    GPIO
-                  </Button>
-                </HeaderCell>
-                <HeaderCell resize>
-                  <Button
-                    fullWidth
-                    style={HEADER_BUTTON_STYLE}
-                    endIcon={getSortIcon(analog_sort.state, 'NAME')}
-                    onClick={() => analog_sort.fns.onToggleSort({ sortKey: 'NAME' })}
-                  >
-                    {LL.NAME(0)}
-                  </Button>
-                </HeaderCell>
-                <HeaderCell stiff>
-                  <Button
-                    fullWidth
-                    style={HEADER_BUTTON_STYLE}
-                    endIcon={getSortIcon(analog_sort.state, 'TYPE')}
-                    onClick={() => analog_sort.fns.onToggleSort({ sortKey: 'TYPE' })}
-                  >
-                    {LL.TYPE(0)}
-                  </Button>
-                </HeaderCell>
-                <HeaderCell stiff>
-                  <Button
-                    fullWidth
-                    style={HEADER_BUTTON_STYLE_END}
-                    endIcon={getSortIcon(analog_sort.state, 'VALUE')}
-                    onClick={() =>
-                      analog_sort.fns.onToggleSort({ sortKey: 'VALUE' })
-                    }
-                  >
-                    {LL.VALUE(0)}
-                  </Button>
-                </HeaderCell>
-              </HeaderRow>
-            </Header>
-            <Body>
-              {tableList.map((as: AnalogSensor) => (
-                <Row
-                  style={{ color: as.s ? 'grey' : 'inherit' }}
-                  key={as.id}
-                  item={as}
-                  onClick={() => updateAnalogSensor(as)}
+  const RenderTemperatureSensors = (
+    <Table
+      data={{ nodes: sensorData.ts }}
+      theme={temperature_theme}
+      sort={temperature_sort}
+      layout={{ custom: true }}
+    >
+      {(tableList: TemperatureSensor[]) => (
+        <>
+          <Header>
+            <HeaderRow>
+              <HeaderCell resize>
+                <Button
+                  fullWidth
+                  style={HEADER_BUTTON_STYLE}
+                  endIcon={getSortIcon(temperature_sort.state, 'NAME')}
+                  onClick={() =>
+                    temperature_sort.fns.onToggleSort({ sortKey: 'NAME' })
+                  }
                 >
-                  <Cell stiff>{as.g}</Cell>
-                  <Cell>{as.n}</Cell>
-                  <Cell stiff>{AnalogTypeNames[as.t - 1]} </Cell>
-                  {(as.t === AnalogType.DIGITAL_OUT &&
-                    as.g !== GPIO_25 &&
-                    as.g !== GPIO_26) ||
-                  as.t === AnalogType.DIGITAL_IN ||
-                  as.t === AnalogType.PULSE ? (
-                    <Cell stiff>{as.v ? LL.ON() : LL.OFF()}</Cell>
-                  ) : (
-                    <Cell stiff>{formatValue(as.v, as.u)}</Cell>
-                  )}
-                </Row>
-              ))}
-            </Body>
-          </>
-        )}
-      </Table>
-    ),
-    [
-      analog_sort,
-      analog_theme,
-      getSortIcon,
-      sensorData.as,
-      LL,
-      updateAnalogSensor,
-      formatValue
-    ]
-  );
-
-  const RenderTemperatureSensors = useMemo(
-    () => (
-      <Table
-        data={{ nodes: sensorData.ts }}
-        theme={temperature_theme}
-        sort={temperature_sort}
-        layout={{ custom: true }}
-      >
-        {(tableList: TemperatureSensor[]) => (
-          <>
-            <Header>
-              <HeaderRow>
-                <HeaderCell resize>
-                  <Button
-                    fullWidth
-                    style={HEADER_BUTTON_STYLE}
-                    endIcon={getSortIcon(temperature_sort.state, 'NAME')}
-                    onClick={() =>
-                      temperature_sort.fns.onToggleSort({ sortKey: 'NAME' })
-                    }
-                  >
-                    {LL.NAME(0)}
-                  </Button>
-                </HeaderCell>
-                <HeaderCell stiff>
-                  <Button
-                    fullWidth
-                    style={HEADER_BUTTON_STYLE_END}
-                    endIcon={getSortIcon(temperature_sort.state, 'VALUE')}
-                    onClick={() =>
-                      temperature_sort.fns.onToggleSort({ sortKey: 'VALUE' })
-                    }
-                  >
-                    {LL.VALUE(0)}
-                  </Button>
-                </HeaderCell>
-              </HeaderRow>
-            </Header>
-            <Body>
-              {tableList.map((ts: TemperatureSensor) => (
-                <Row
-                  style={{ color: ts.s ? 'grey' : 'inherit' }}
-                  key={ts.id}
-                  item={ts}
-                  onClick={() => updateTemperatureSensor(ts)}
+                  {LL.NAME(0)}
+                </Button>
+              </HeaderCell>
+              <HeaderCell stiff>
+                <Button
+                  fullWidth
+                  style={HEADER_BUTTON_STYLE_END}
+                  endIcon={getSortIcon(temperature_sort.state, 'VALUE')}
+                  onClick={() =>
+                    temperature_sort.fns.onToggleSort({ sortKey: 'VALUE' })
+                  }
                 >
-                  <Cell>{ts.n}</Cell>
-                  <Cell>{formatValue(ts.t, ts.u)}</Cell>
-                </Row>
-              ))}
-            </Body>
-          </>
-        )}
-      </Table>
-    ),
-    [
-      temperature_sort,
-      temperature_theme,
-      getSortIcon,
-      sensorData.ts,
-      LL,
-      updateTemperatureSensor,
-      formatValue
-    ]
+                  {LL.VALUE(0)}
+                </Button>
+              </HeaderCell>
+            </HeaderRow>
+          </Header>
+          <Body>
+            {tableList.map((ts: TemperatureSensor) => (
+              <Row
+                style={{ color: ts.s ? 'grey' : 'inherit' }}
+                key={ts.id}
+                item={ts}
+                onClick={() => updateTemperatureSensor(ts)}
+              >
+                <Cell>{ts.n}</Cell>
+                <Cell>{formatValue(ts.t, ts.u)}</Cell>
+              </Row>
+            ))}
+          </Body>
+        </>
+      )}
+    </Table>
   );
 
   return (

interface/src/app/main/SensorsAnalogDialog.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 
 import CancelIcon from '@mui/icons-material/Cancel';
 import DoneIcon from '@mui/icons-material/Done';
@@ -23,7 +23,7 @@ import type { ValidateFieldsError } from 'async-validator';
 import { ValidatedTextField } from 'components';
 import { useI18nContext } from 'i18n/i18n-react';
 import { numberValue, updateValue } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 
 import { AnalogType, AnalogTypeNames, DeviceValueUOM_s } from './types';
 import type { AnalogSensor } from './types';
@@ -53,84 +53,54 @@ const SensorsAnalogDialog = ({
   const [fieldErrors, setFieldErrors] = useState<ValidateFieldsError>();
   const [editItem, setEditItem] = useState<AnalogSensor>(selectedItem);
 
-  const updateFormValue = useMemo(
-    () =>
-      updateValue((updater) =>
-        setEditItem(
-          (prev) =>
-            updater(
-              prev as unknown as Record<string, unknown>
-            ) as unknown as AnalogSensor
-        )
-      ),
-    [setEditItem]
+  const updateFormValue = updateValue((updater) =>
+    setEditItem(
+      (prev) =>
+        updater(
+          prev as unknown as Record<string, unknown>
+        ) as unknown as AnalogSensor
+    )
   );
 
-  // Memoize helper functions to check sensor type conditions
-  const isCounterOrRate = useMemo(
-    () =>
-      editItem.t === AnalogType.COUNTER ||
-      editItem.t === AnalogType.RATE ||
-      (editItem.t >= AnalogType.CNT_0 && editItem.t <= AnalogType.CNT_2),
-    [editItem.t]
-  );
-  const isCounter = useMemo(
-    () =>
-      editItem.t === AnalogType.COUNTER ||
-      (editItem.t >= AnalogType.CNT_0 && editItem.t <= AnalogType.CNT_2),
-    [editItem.t]
-  );
-  const isFreqType = useMemo(
-    () => editItem.t >= AnalogType.FREQ_0 && editItem.t <= AnalogType.FREQ_2,
-    [editItem.t]
-  );
-  const isPWM = useMemo(
-    () =>
-      editItem.t === AnalogType.PWM_0 ||
-      editItem.t === AnalogType.PWM_1 ||
-      editItem.t === AnalogType.PWM_2,
-    [editItem.t]
-  );
-  const isDACOutGPIO = useMemo(
-    () =>
-      editItem.t === AnalogType.DIGITAL_OUT &&
-      (editItem.g === 25 || editItem.g === 26),
-    [editItem.t, editItem.g]
-  );
-  const isDigitalOutGPIO = useMemo(
-    () =>
-      editItem.t === AnalogType.DIGITAL_OUT &&
-      editItem.g !== 25 &&
-      editItem.g !== 26,
-    [editItem.t, editItem.g]
-  );
+  const isCounterOrRate =
+    editItem.t === AnalogType.COUNTER ||
+    editItem.t === AnalogType.RATE ||
+    (editItem.t >= AnalogType.CNT_0 && editItem.t <= AnalogType.CNT_2);
+  const isCounter =
+    editItem.t === AnalogType.COUNTER ||
+    (editItem.t >= AnalogType.CNT_0 && editItem.t <= AnalogType.CNT_2);
+  const isFreqType =
+    editItem.t >= AnalogType.FREQ_0 && editItem.t <= AnalogType.FREQ_2;
+  const isPWM =
+    editItem.t === AnalogType.PWM_0 ||
+    editItem.t === AnalogType.PWM_1 ||
+    editItem.t === AnalogType.PWM_2;
+  const isDACOutGPIO =
+    editItem.t === AnalogType.DIGITAL_OUT &&
+    (editItem.g === 25 || editItem.g === 26);
+  const isDigitalOutGPIO =
+    editItem.t === AnalogType.DIGITAL_OUT && editItem.g !== 25 && editItem.g !== 26;
 
-  // Memoize menu items to avoid recreation on each render
-  const analogTypeMenuItems = useMemo(
-    () =>
-      AnalogTypeNames.map((val, i) => ({ name: val, value: i + 1 }))
-        .sort((a, b) => a.name.localeCompare(b.name))
-        .map(({ name, value }) => (
-          <MenuItem
-            key={name}
-            value={value}
-            disabled={disabledTypeList?.includes(value)}
-          >
-            {name}
-          </MenuItem>
-        )),
-    [disabledTypeList]
-  );
+  const analogTypeMenuItems = AnalogTypeNames.map((val, i) => ({
+    name: val,
+    value: i + 1
+  }))
+    .sort((a, b) => a.name.localeCompare(b.name))
+    .map(({ name, value }) => (
+      <MenuItem
+        key={name}
+        value={value}
+        disabled={disabledTypeList?.includes(value)}
+      >
+        {name}
+      </MenuItem>
+    ));
 
-  const uomMenuItems = useMemo(
-    () =>
-      DeviceValueUOM_s.map((val, i) => (
-        <MenuItem key={val} value={i}>
-          {val}
-        </MenuItem>
-      )),
-    []
-  );
+  const uomMenuItems = DeviceValueUOM_s.map((val, i) => (
+    <MenuItem key={val} value={i}>
+      {val}
+    </MenuItem>
+  ));
 
   const analogGPIOMenuItems = () =>
     // add selectedItem.g to the list
@@ -157,34 +127,30 @@ const SensorsAnalogDialog = ({
     }
   }, [open, selectedItem]);
 
-  const handleClose = useCallback(
-    (_event: React.SyntheticEvent, reason: 'backdropClick' | 'escapeKeyDown') => {
-      if (reason !== 'backdropClick') {
-        onClose();
-      }
-    },
-    [onClose]
-  );
+  const handleClose = (
+    _event: React.SyntheticEvent,
+    reason: 'backdropClick' | 'escapeKeyDown'
+  ) => {
+    if (reason !== 'backdropClick') {
+      onClose();
+    }
+  };
 
-  const save = useCallback(async () => {
+  const save = async () => {
     try {
       setFieldErrors(undefined);
       await validate(validator, editItem);
       onSave(editItem);
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
-  }, [validator, editItem, onSave]);
+  };
 
-  const remove = useCallback(() => {
+  const remove = () => {
     onSave({ ...editItem, d: true });
-  }, [editItem, onSave]);
+  };
 
-  const dialogTitle = useMemo(
-    () =>
-      `${creating ? LL.ADD(1) + ' ' + LL.NEW(0) : LL.EDIT()} ${LL.ANALOG_SENSOR(0)}`,
-    [creating, LL]
-  );
+  const dialogTitle = `${creating ? LL.ADD(1) + ' ' + LL.NEW(0) : LL.EDIT()} ${LL.ANALOG_SENSOR(0)}`;
 
   return (
     <Dialog sx={dialogStyle} open={open} onClose={handleClose}>

interface/src/app/main/SensorsTemperatureDialog.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 
 import CancelIcon from '@mui/icons-material/Cancel';
 import DoneIcon from '@mui/icons-material/Done';
@@ -21,7 +21,7 @@ import type { ValidateFieldsError } from 'async-validator';
 import { ValidatedTextField } from 'components';
 import { useI18nContext } from 'i18n/i18n-react';
 import { numberValue, updateValue } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 
 import type { TemperatureSensor } from './types';
 
@@ -50,16 +50,12 @@ const SensorsTemperatureDialog = ({
   const [fieldErrors, setFieldErrors] = useState<ValidateFieldsError>();
   const [editItem, setEditItem] = useState<TemperatureSensor>(selectedItem);
 
-  const updateFormValue = useMemo(
-    () =>
-      updateValue(
-        setEditItem as unknown as (
-          updater: (
-            prevState: Readonly<Record<string, unknown>>
-          ) => Record<string, unknown>
-        ) => void
-      ),
-    [setEditItem]
+  const updateFormValue = updateValue(
+    setEditItem as unknown as (
+      updater: (
+        prevState: Readonly<Record<string, unknown>>
+      ) => Record<string, unknown>
+    ) => void
   );
 
   useEffect(() => {
@@ -69,46 +65,25 @@ const SensorsTemperatureDialog = ({
     }
   }, [open, selectedItem]);
 
-  const handleClose = useCallback(
-    (_event: React.SyntheticEvent, reason?: string) => {
-      if (reason !== 'backdropClick') {
-        onClose();
-      }
-    },
-    [onClose]
-  );
+  const handleClose = (_event: React.SyntheticEvent, reason?: string) => {
+    if (reason !== 'backdropClick') {
+      onClose();
+    }
+  };
 
-  const save = useCallback(async () => {
+  const save = async () => {
     try {
       setFieldErrors(undefined);
       await validate(validator, editItem);
       onSave(editItem);
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
-  }, [validator, editItem, onSave]);
-
-  const dialogTitle = useMemo(() => `${LL.EDIT()} ${LL.TEMP_SENSOR()}`, [LL]);
-
-  const offsetValue = useMemo(() => numberValue(editItem.o), [editItem.o]);
-
-  const slotProps = useMemo(
-    () => ({
-      input: {
-        startAdornment: <InputAdornment position="start">{TEMP_UNIT}</InputAdornment>
-      },
-      htmlInput: {
-        min: OFFSET_MIN,
-        max: OFFSET_MAX,
-        step: OFFSET_STEP
-      }
-    }),
-    []
-  );
+  };
 
   return (
     <Dialog sx={dialogStyle} open={open} onClose={handleClose}>
-      <DialogTitle>{dialogTitle}</DialogTitle>
+      <DialogTitle>{`${LL.EDIT()} ${LL.TEMP_SENSOR()}`}</DialogTitle>
       <DialogContent dividers>
         <Typography sx={{ mb: 2 }} color="warning" variant="body2">
           {LL.ID_OF(LL.SENSOR(0))}: {editItem.id}
@@ -128,12 +103,23 @@ const SensorsTemperatureDialog = ({
             <TextField
               name="o"
               label={LL.OFFSET()}
-              value={offsetValue}
+              value={numberValue(editItem.o)}
               sx={{ width: '11ch' }}
               type="number"
               variant="outlined"
               onChange={updateFormValue}
-              slotProps={slotProps}
+              slotProps={{
+                input: {
+                  startAdornment: (
+                    <InputAdornment position="start">{TEMP_UNIT}</InputAdornment>
+                  )
+                },
+                htmlInput: {
+                  min: OFFSET_MIN,
+                  max: OFFSET_MAX,
+                  step: OFFSET_STEP
+                }
+              }}
             />
           </Grid>
         </Grid>

interface/src/app/main/UserProfile.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useContext } from 'react';
+import { memo, useContext } from 'react';
 
 import PersonIcon from '@mui/icons-material/Person';
 import {
@@ -23,9 +23,9 @@ const UserProfileComponent = () => {
 
   useLayoutTitle(LL.USER_PROFILE());
 
-  const handleSignOut = useCallback(() => {
+  const handleSignOut = () => {
     signOut(true);
-  }, [signOut]);
+  };
 
   return (
     <SectionContent>

interface/src/app/settings/APSettings.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useState } from 'react';
 
 import CancelIcon from '@mui/icons-material/Cancel';
 import WarningIcon from '@mui/icons-material/Warning';
@@ -21,10 +21,9 @@ import { useI18nContext } from 'i18n/i18n-react';
 import type { APSettingsType } from 'types';
 import { APProvisionMode } from 'types';
 import { numberValue, updateValueDirty, useRest } from 'utils';
-import { createAPSettingsValidator, validate } from 'validators';
+import { ValidationError, createAPSettingsValidator, validate } from 'validators';
 
 export const isAPEnabled = ({ provision_mode }: APSettingsType) =>
-  provision_mode === APProvisionMode.AP_MODE_ALWAYS ||
   provision_mode === APProvisionMode.AP_MODE_DISCONNECTED;
 
 // Efficient range function without recursion
@@ -63,22 +62,16 @@ const APSettings = () => {
 
   const [fieldErrors, setFieldErrors] = useState<ValidateFieldsError>();
 
-  const updateFormValue = useMemo(
-    () =>
-      updateValueDirty(
-        origData as unknown as Record<string, unknown>,
-        dirtyFlags,
-        setDirtyFlags,
-        updateDataValue as (value: unknown) => void
-      ),
-    [origData, dirtyFlags, setDirtyFlags, updateDataValue]
+  const updateFormValue = updateValueDirty(
+    origData as unknown as Record<string, unknown>,
+    dirtyFlags,
+    setDirtyFlags,
+    updateDataValue as (value: unknown) => void
   );
 
-  // Memoize AP enabled state
-  const apEnabled = useMemo(() => (data ? isAPEnabled(data) : false), [data]);
+  const apEnabled = data ? isAPEnabled(data) : false;
 
-  // Memoize validation and submit handler
-  const validateAndSubmit = useCallback(async () => {
+  const validateAndSubmit = async () => {
     if (!data) return;
 
     try {
@@ -86,9 +79,9 @@ const APSettings = () => {
       await validate(createAPSettingsValidator(data), data);
       await saveData();
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
-  }, [data, saveData]);
+  };
 
   const content = () => {
     if (!data) {
@@ -108,9 +101,6 @@ const APSettings = () => {
           onChange={updateFormValue}
           margin="normal"
         >
-          <MenuItem value={APProvisionMode.AP_MODE_ALWAYS}>
-            {LL.AP_PROVIDE_TEXT_1()}
-          </MenuItem>
           <MenuItem value={APProvisionMode.AP_MODE_DISCONNECTED}>
             {LL.AP_PROVIDE_TEXT_2()}
           </MenuItem>

interface/src/app/settings/ApplicationSettings.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useState } from 'react';
 import { toast } from 'react-toastify';
 
 import CancelIcon from '@mui/icons-material/Cancel';
@@ -34,7 +34,7 @@ import {
 } from 'components';
 import { useI18nContext } from 'i18n/i18n-react';
 import { numberValue, updateValueDirty, useRest } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 
 import { API, getBoardProfile, readSettings, writeSettings } from '../../api/app';
 import { BOARD_PROFILES } from '../main/types';
@@ -107,82 +107,80 @@ const ApplicationSettings = () => {
     });
   });
 
-  // Memoized input props to prevent recreation on every render
-  const SecondsInputProps = useMemo(
-    () => ({
-      endAdornment: <InputAdornment position="end">{LL.SECONDS()}</InputAdornment>
-    }),
-    [LL]
-  );
+  const SecondsInputProps = {
+    endAdornment: <InputAdornment position="end">{LL.SECONDS()}</InputAdornment>
+  };
 
-  const MinutesInputProps = useMemo(
-    () => ({
-      endAdornment: <InputAdornment position="end">{LL.MINUTES()}</InputAdornment>
-    }),
-    [LL]
-  );
+  const MinutesInputProps = {
+    endAdornment: <InputAdornment position="end">{LL.MINUTES()}</InputAdornment>
+  };
 
-  const HoursInputProps = useMemo(
-    () => ({
-      endAdornment: <InputAdornment position="end">{LL.HOURS()}</InputAdornment>
-    }),
-    [LL]
-  );
+  const HoursInputProps = {
+    endAdornment: <InputAdornment position="end">{LL.HOURS()}</InputAdornment>
+  };
 
-  const doRestart = useCallback(async () => {
+  const doRestart = async () => {
     setRestarting(true);
     await sendAPI({ device: 'system', cmd: 'restart', id: 0 }).catch(
       (error: Error) => {
         toast.error(error.message);
       }
     );
-  }, [sendAPI]);
+  };
 
-  const updateBoardProfile = useCallback(
-    async (board_profile: string) => {
-      await readBoardProfile(board_profile).catch((error: Error) => {
-        toast.error(error.message);
-      });
-    },
-    [readBoardProfile]
-  );
+  const updateBoardProfile = async (board_profile: string) => {
+    await readBoardProfile(board_profile).catch((error: Error) => {
+      toast.error(error.message);
+    });
+  };
 
   useLayoutTitle(LL.APPLICATION());
 
-  const validateAndSubmit = useCallback(async () => {
+  const validateAndSubmit = async () => {
     try {
       setFieldErrors(undefined);
       await validate(createSettingsValidator(data), data);
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     } finally {
       await saveData();
     }
-  }, [data, saveData]);
+  };
 
-  const changeBoardProfile = useCallback(
-    (event: React.ChangeEvent<HTMLInputElement>) => {
-      const boardProfile = event.target.value;
-      updateFormValue(event);
-      if (boardProfile === 'CUSTOM') {
-        updateDataValue({
-          ...data,
-          board_profile: boardProfile
-        });
-      } else {
-        void updateBoardProfile(boardProfile);
-      }
-    },
-    [data, updateBoardProfile, updateFormValue, updateDataValue]
-  );
+  const changeBoardProfile = (event: React.ChangeEvent<HTMLInputElement>) => {
+    const boardProfile = event.target.value;
+    updateFormValue(event);
+    if (boardProfile === 'CUSTOM') {
+      updateDataValue({
+        ...data,
+        board_profile: boardProfile
+      });
+    } else {
+      void updateBoardProfile(boardProfile);
+    }
+  };
 
-  const restart = useCallback(async () => {
+  const restart = async () => {
     await validateAndSubmit();
     await doRestart();
-  }, [validateAndSubmit, doRestart]);
+  };
 
-  // Memoize board profile select items to prevent recreation
-  const boardProfileItems = useMemo(() => boardProfileSelectItems(), []);
+  const sendemail = async () => {
+    await sendAPI({
+      device: 'system',
+      cmd: 'sendemail',
+      data: 'Email notification test successful!',
+      id: 0
+    })
+      .then(() => {
+        toast.success(LL.TEST_EMAIL_SUCCESSFUL());
+      })
+      .catch((error: Error) => {
+        toast.error(error.message);
+      });
+  };
+
+  const boardProfileItems = boardProfileSelectItems();
 
   const content = () => {
     if (!data || !hardwareData) {
@@ -379,8 +377,7 @@ const ApplicationSettings = () => {
               container
               spacing={2}
               direction="row"
-              justifyContent="flex-start"
-              alignItems="flex-start"
+              sx={{ justifyContent: 'flex-start', alignItems: 'flex-start' }}
             >
               <Grid>
                 <ValidatedTextField
@@ -406,7 +403,10 @@ const ApplicationSettings = () => {
                   margin="normal"
                 />
               </Grid>
-              <Grid size={4} mt={!data.email_ssl && !data.email_starttls ? 0 : 3}>
+              <Grid
+                size={4}
+                sx={{ mt: !data.email_ssl && !data.email_starttls ? 0 : 3 }}
+              >
                 {!data.email_starttls && (
                   <BlockFormControlLabel
                     sx={{ width: '12ch' }}
@@ -499,6 +499,17 @@ const ApplicationSettings = () => {
                   margin="normal"
                 />
               </Grid>
+              <Grid>
+                <Button
+                  sx={{ mt: 3 }}
+                  variant="outlined"
+                  color="primary"
+                  disabled={dirtyFlags.length !== 0}
+                  onClick={sendemail}
+                >
+                  Send test email
+                </Button>
+              </Grid>
             </Grid>
           </>
         )}

interface/src/app/settings/DownloadUpload.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useState } from 'react';
 import { toast } from 'react-toastify';
 
 import CancelIcon from '@mui/icons-material/Cancel';
@@ -57,7 +57,7 @@ const DownloadUpload = () => {
 
   const { data, send: loadData, error } = useRequest(SystemApi.readSystemStatus);
 
-  const doRestart = useCallback(async () => {
+  const doRestart = async () => {
     setRestarting(true);
     try {
       await sendAPI({ device: 'system', cmd: 'restart', id: 0 });
@@ -65,16 +65,33 @@ const DownloadUpload = () => {
       toast.error((error as Error).message);
       setRestarting(false);
     }
-  }, [sendAPI]);
+  };
 
   useLayoutTitle(LL.DOWNLOAD_UPLOAD());
 
-  const handleCloseBackupDialog = useCallback(() => {
+  const handleCloseBackupDialog = () => {
     setConfirmBackup(false);
-  }, []);
+  };
 
-  const renderBackupDialog = useMemo(
-    () => (
+  const handleDownload = (type: string) => () => {
+    void sendExportData(type);
+    setConfirmBackup(false);
+  };
+
+  if (restarting) {
+    return <SystemMonitor />;
+  }
+
+  if (!data) {
+    return (
+      <SectionContent>
+        <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />
+      </SectionContent>
+    );
+  }
+
+  return (
+    <SectionContent>
       <Dialog
         sx={dialogStyle}
         open={confirmBackup}
@@ -98,40 +115,13 @@ const DownloadUpload = () => {
           <Button
             startIcon={<DownloadIcon />}
             variant="outlined"
-            onClick={() => handleDownload('systembackup')()}
+            onClick={handleDownload('systembackup')}
             color="primary"
           >
             {LL.DOWNLOAD(0)}
           </Button>
         </DialogActions>
       </Dialog>
-    ),
-    [confirmBackup, handleCloseBackupDialog, LL]
-  );
-
-  const handleDownload = useCallback(
-    (type: string) => () => {
-      void sendExportData(type);
-      setConfirmBackup(false);
-    },
-    [sendExportData]
-  );
-
-  if (restarting) {
-    return <SystemMonitor />;
-  }
-
-  if (!data) {
-    return (
-      <SectionContent>
-        <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />
-      </SectionContent>
-    );
-  }
-
-  return (
-    <SectionContent>
-      {renderBackupDialog}
 
       <Typography sx={{ pb: 2 }} variant="h6" color="primary">
         {LL.DOWNLOAD(0)}

interface/src/app/settings/MqttSettings.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useState } from 'react';
 import { toast } from 'react-toastify';
 
 import CancelIcon from '@mui/icons-material/Cancel';
@@ -31,7 +31,7 @@ import {
 import { useI18nContext } from 'i18n/i18n-react';
 import type { MqttSettingsType } from 'types';
 import { numberValue, updateValueDirty, useRest } from 'utils';
-import { createMqttSettingsValidator, validate } from 'validators';
+import { ValidationError, createMqttSettingsValidator, validate } from 'validators';
 
 import { callAction } from '../../api/app';
 
@@ -57,7 +57,7 @@ const MqttSettings = () => {
 
   const [fieldErrors, setFieldErrors] = useState<ValidateFieldsError>();
 
-  const sendResetMQTT = useCallback(() => {
+  const sendResetMQTT = () => {
     void callAction({ action: 'resetMQTT' })
       .then(() => {
         toast.success('MQTT ' + LL.REFRESH() + ' successful');
@@ -65,56 +65,44 @@ const MqttSettings = () => {
       .catch((error) => {
         toast.error(String(error.error?.message || 'An error occurred'));
       });
-  }, []);
+  };
 
-  const updateFormValue = useMemo(
-    () =>
-      updateValueDirty(
-        origData as unknown as Record<string, unknown>,
-        dirtyFlags,
-        setDirtyFlags,
-        updateDataValue as (value: unknown) => void
-      ),
-    [origData, dirtyFlags, setDirtyFlags, updateDataValue]
+  const updateFormValue = updateValueDirty(
+    origData as unknown as Record<string, unknown>,
+    dirtyFlags,
+    setDirtyFlags,
+    updateDataValue as (value: unknown) => void
   );
 
-  const SecondsInputProps = useMemo(
-    () => ({
-      endAdornment: <InputAdornment position="end">{LL.SECONDS()}</InputAdornment>
-    }),
-    [LL]
-  );
+  const SecondsInputProps = {
+    endAdornment: <InputAdornment position="end">{LL.SECONDS()}</InputAdornment>
+  };
 
-  const emptyFieldErrors = useMemo(() => ({}), []);
-
-  const validateAndSubmit = useCallback(async () => {
+  const validateAndSubmit = async () => {
     if (!data) return;
     try {
       setFieldErrors(undefined);
       await validate(createMqttSettingsValidator(data), data);
       await saveData();
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
-  }, [data, saveData]);
+  };
 
-  const publishIntervalFields = useMemo(
-    () => [
-      { name: 'publish_time_heartbeat', label: 'Heartbeat', validated: true },
-      { name: 'publish_time_boiler', label: LL.MQTT_INT_BOILER(), validated: false },
-      {
-        name: 'publish_time_thermostat',
-        label: LL.MQTT_INT_THERMOSTATS(),
-        validated: false
-      },
-      { name: 'publish_time_solar', label: LL.MQTT_INT_SOLAR(), validated: false },
-      { name: 'publish_time_mixer', label: LL.MQTT_INT_MIXER(), validated: false },
-      { name: 'publish_time_water', label: LL.MQTT_INT_WATER(), validated: false },
-      { name: 'publish_time_sensor', label: LL.SENSORS(), validated: false },
-      { name: 'publish_time_other', label: LL.DEFAULT(0), validated: false }
-    ],
-    [LL]
-  );
+  const publishIntervalFields = [
+    { name: 'publish_time_heartbeat', label: 'Heartbeat', validated: true },
+    { name: 'publish_time_boiler', label: LL.MQTT_INT_BOILER(), validated: false },
+    {
+      name: 'publish_time_thermostat',
+      label: LL.MQTT_INT_THERMOSTATS(),
+      validated: false
+    },
+    { name: 'publish_time_solar', label: LL.MQTT_INT_SOLAR(), validated: false },
+    { name: 'publish_time_mixer', label: LL.MQTT_INT_MIXER(), validated: false },
+    { name: 'publish_time_water', label: LL.MQTT_INT_WATER(), validated: false },
+    { name: 'publish_time_sensor', label: LL.SENSORS(), validated: false },
+    { name: 'publish_time_other', label: LL.DEFAULT(0), validated: false }
+  ];
 
   if (!data) {
     return (
@@ -154,7 +142,7 @@ const MqttSettings = () => {
         <Grid container spacing={2} rowSpacing={0}>
           <Grid>
             <ValidatedTextField
-              fieldErrors={fieldErrors ?? emptyFieldErrors}
+              fieldErrors={fieldErrors ?? {}}
               name="host"
               label={LL.ADDRESS_OF(LL.BROKER())}
               multiline
@@ -166,7 +154,7 @@ const MqttSettings = () => {
           </Grid>
           <Grid>
             <ValidatedTextField
-              fieldErrors={fieldErrors ?? emptyFieldErrors}
+              fieldErrors={fieldErrors ?? {}}
               name="port"
               label="Port"
               variant="outlined"
@@ -178,7 +166,7 @@ const MqttSettings = () => {
           </Grid>
           <Grid>
             <ValidatedTextField
-              fieldErrors={fieldErrors ?? emptyFieldErrors}
+              fieldErrors={fieldErrors ?? {}}
               name="base"
               label={LL.BASE_TOPIC()}
               variant="outlined"
@@ -219,7 +207,7 @@ const MqttSettings = () => {
           </Grid>
           <Grid>
             <ValidatedTextField
-              fieldErrors={fieldErrors ?? emptyFieldErrors}
+              fieldErrors={fieldErrors ?? {}}
               name="keep_alive"
               label="Keep Alive"
               slotProps={{
@@ -438,7 +426,7 @@ const MqttSettings = () => {
             <Grid key={field.name}>
               {field.validated ? (
                 <ValidatedTextField
-                  fieldErrors={fieldErrors ?? emptyFieldErrors}
+                  fieldErrors={fieldErrors ?? {}}
                   name={field.name}
                   label={field.label}
                   slotProps={{

interface/src/app/settings/NTPSettings.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useState } from 'react';
 import { toast } from 'react-toastify';
 
 import AccessTimeIcon from '@mui/icons-material/AccessTime';
@@ -36,7 +36,7 @@ import {
 import { useI18nContext } from 'i18n/i18n-react';
 import type { NTPSettingsType, Time } from 'types';
 import { formatLocalDateTime, updateValueDirty, useRest } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 import { NTP_SETTINGS_VALIDATOR } from 'validators/ntp';
 
 import { TIME_ZONES, selectedTimeZone, useTimeZoneSelectItems } from './TZ';
@@ -61,14 +61,11 @@ const NTPSettings = () => {
   const { LL } = useI18nContext();
   useLayoutTitle('NTP');
 
-  // Memoized timezone select items for better performance
   const timeZoneItems = useTimeZoneSelectItems();
 
-  // Memoized selected timezone value
-  const selectedTzValue = useMemo(
-    () => (data ? selectedTimeZone(data.tz_label, data.tz_format) : undefined),
-    [data?.tz_label, data?.tz_format]
-  );
+  const selectedTzValue = data
+    ? selectedTimeZone(data.tz_label, data.tz_format)
+    : undefined;
 
   const [localTime, setLocalTime] = useState<string>('');
   const [settingTime, setSettingTime] = useState<boolean>(false);
@@ -82,32 +79,22 @@ const NTPSettings = () => {
     }
   );
 
-  // Memoize updateFormValue to prevent recreation on every render
-  const updateFormValue = useMemo(
-    () =>
-      updateValueDirty(
-        origData as unknown as Record<string, unknown>,
-        dirtyFlags,
-        setDirtyFlags,
-        updateDataValue as (value: unknown) => void
-      ),
-    [origData, dirtyFlags, setDirtyFlags, updateDataValue]
+  const updateFormValue = updateValueDirty(
+    origData as unknown as Record<string, unknown>,
+    dirtyFlags,
+    setDirtyFlags,
+    updateDataValue as (value: unknown) => void
   );
 
-  // Memoize updateLocalTime handler
-  const updateLocalTime = useCallback(
-    (event: React.ChangeEvent<HTMLInputElement>) => setLocalTime(event.target.value),
-    []
-  );
+  const updateLocalTime = (event: React.ChangeEvent<HTMLInputElement>) =>
+    setLocalTime(event.target.value);
 
-  // Memoize openSetTime handler
-  const openSetTime = useCallback(() => {
+  const openSetTime = () => {
     setLocalTime(formatLocalDateTime(new Date()));
     setSettingTime(true);
-  }, []);
+  };
 
-  // Memoize configureTime handler
-  const configureTime = useCallback(async () => {
+  const configureTime = async () => {
     setProcessing(true);
 
     try {
@@ -120,38 +107,31 @@ const NTPSettings = () => {
     } finally {
       setProcessing(false);
     }
-  }, [localTime, updateTime, LL, loadData]);
+  };
 
-  // Memoize close dialog handler
-  const handleCloseSetTime = useCallback(() => setSettingTime(false), []);
+  const handleCloseSetTime = () => setSettingTime(false);
 
-  // Memoize validate and submit handler
-  const validateAndSubmit = useCallback(async () => {
+  const validateAndSubmit = async () => {
     if (!data) return;
     try {
       setFieldErrors(undefined);
       await validate(NTP_SETTINGS_VALIDATOR, data);
       await saveData();
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
-  }, [data, saveData]);
+  };
 
-  // Memoize timezone change handler
-  const changeTimeZone = useCallback(
-    (event: React.ChangeEvent<HTMLInputElement>) => {
-      void updateState(readNTPSettings(), (settings: NTPSettingsType) => ({
-        ...settings,
-        tz_label: event.target.value,
-        tz_format: TIME_ZONES[event.target.value]
-      }));
-      updateFormValue(event);
-    },
-    [updateFormValue]
-  );
+  const changeTimeZone = (event: React.ChangeEvent<HTMLInputElement>) => {
+    void updateState(readNTPSettings(), (settings: NTPSettingsType) => ({
+      ...settings,
+      tz_label: event.target.value,
+      tz_format: TIME_ZONES[event.target.value]
+    }));
+    updateFormValue(event);
+  };
 
-  // Memoize render content to prevent unnecessary re-renders
-  const renderContent = useMemo(() => {
+  const renderContent = () => {
     if (!data) {
       return <FormLoader onRetry={loadData} errorMessage={errorMessage || ''} />;
     }
@@ -236,26 +216,12 @@ const NTPSettings = () => {
         )}
       </>
     );
-  }, [
-    data,
-    errorMessage,
-    loadData,
-    updateFormValue,
-    fieldErrors,
-    selectedTzValue,
-    changeTimeZone,
-    timeZoneItems,
-    dirtyFlags,
-    openSetTime,
-    saving,
-    validateAndSubmit,
-    LL
-  ]);
+  };
 
   return (
     <SectionContent>
       {blocker ? <BlockNavigation blocker={blocker} /> : null}
-      {renderContent}
+      {renderContent()}
       <Dialog sx={dialogStyle} open={settingTime} onClose={handleCloseSetTime}>
         <DialogTitle>{LL.SET_TIME(1)}</DialogTitle>
         <DialogContent dividers>

interface/src/app/settings/Settings.tsx

@@ -1,190 +1,108 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useContext } from 'react';
 
 import AccessTimeIcon from '@mui/icons-material/AccessTime';
-import CancelIcon from '@mui/icons-material/Cancel';
+import BuildIcon from '@mui/icons-material/Build';
 import DeviceHubIcon from '@mui/icons-material/DeviceHub';
 import ImportExportIcon from '@mui/icons-material/ImportExport';
 import LockIcon from '@mui/icons-material/Lock';
-import SettingsBackupRestoreIcon from '@mui/icons-material/SettingsBackupRestore';
 import SettingsEthernetIcon from '@mui/icons-material/SettingsEthernet';
 import SettingsInputAntennaIcon from '@mui/icons-material/SettingsInputAntenna';
 import TuneIcon from '@mui/icons-material/Tune';
 import ViewModuleIcon from '@mui/icons-material/ViewModule';
-import {
-  Box,
-  Button,
-  Dialog,
-  DialogActions,
-  DialogContent,
-  DialogTitle,
-  Divider,
-  List
-} from '@mui/material';
+import { List } from '@mui/material';
 
-import { API } from 'api/app';
-
-import { dialogStyle } from 'CustomTheme';
-import { useRequest } from 'alova/client';
-import type { APIcall } from 'app/main/types';
 import { SectionContent, useLayoutTitle } from 'components';
 import ListMenuItem from 'components/layout/ListMenuItem';
+import { AuthenticatedContext } from 'contexts/authentication';
 import { useI18nContext } from 'i18n/i18n-react';
 
-import SystemMonitor from '../status/SystemMonitor';
-
 const Settings = () => {
   const { LL } = useI18nContext();
+  const { versions } = useContext(AuthenticatedContext);
   useLayoutTitle(LL.SETTINGS(0));
 
-  const [confirmFactoryReset, setConfirmFactoryReset] = useState(false);
-  const [restarting, setRestarting] = useState<boolean>();
+  const upgradeAvailable = versions?.current?.upgradeable ?? false;
+  const firmwareText = versions?.current?.version
+    ? `v${versions.current.version}${upgradeAvailable ? ` (${LL.UPDATE_AVAILABLE()})` : ''}`
+    : '';
 
-  const { send: sendAPI } = useRequest((data: APIcall) => API(data), {
-    immediate: false
-  });
+  return (
+    <SectionContent>
+      <List>
+        <ListMenuItem
+          icon={BuildIcon}
+          bgcolor="#72caf9"
+          label="EMS-ESP Firmware"
+          text={firmwareText}
+          to="/settings/version"
+          badge={upgradeAvailable}
+        />
 
-  const doFormat = useCallback(async () => {
-    await sendAPI({ device: 'system', cmd: 'format', id: 0 }).then(() => {
-      setRestarting(true);
-      setConfirmFactoryReset(false);
-    });
-  }, [sendAPI]);
+        <ListMenuItem
+          icon={TuneIcon}
+          bgcolor="#134ba2"
+          label={LL.APPLICATION()}
+          text={LL.APPLICATION_SETTINGS_1()}
+          to="application"
+        />
 
-  const handleFactoryResetClose = useCallback(() => {
-    setConfirmFactoryReset(false);
-  }, []);
+        <ListMenuItem
+          icon={SettingsEthernetIcon}
+          bgcolor="#40828f"
+          label={LL.NETWORK(0)}
+          text={LL.CONFIGURE(LL.SETTINGS_OF(LL.NETWORK(1)))}
+          to="network"
+        />
 
-  const handleFactoryResetClick = useCallback(() => {
-    setConfirmFactoryReset(true);
-  }, []);
+        <ListMenuItem
+          icon={SettingsInputAntennaIcon}
+          bgcolor="#5f9a5f"
+          label={LL.ACCESS_POINT(0)}
+          text={LL.CONFIGURE(LL.ACCESS_POINT(1))}
+          to="ap"
+        />
 
-  const content = useMemo(() => {
-    return (
-      <>
-        <List>
-          <ListMenuItem
-            icon={TuneIcon}
-            bgcolor="#134ba2"
-            label={LL.APPLICATION()}
-            text={LL.APPLICATION_SETTINGS_1()}
-            to="application"
-          />
+        <ListMenuItem
+          icon={AccessTimeIcon}
+          bgcolor="#c5572c"
+          label="NTP"
+          text={LL.CONFIGURE(LL.LOCAL_TIME(1))}
+          to="ntp"
+        />
 
-          <ListMenuItem
-            icon={SettingsEthernetIcon}
-            bgcolor="#40828f"
-            label={LL.NETWORK(0)}
-            text={LL.CONFIGURE(LL.SETTINGS_OF(LL.NETWORK(1)))}
-            to="network"
-          />
+        <ListMenuItem
+          icon={DeviceHubIcon}
+          bgcolor="#68374d"
+          label="MQTT"
+          text={LL.CONFIGURE('MQTT')}
+          to="mqtt"
+        />
 
-          <ListMenuItem
-            icon={SettingsInputAntennaIcon}
-            bgcolor="#5f9a5f"
-            label={LL.ACCESS_POINT(0)}
-            text={LL.CONFIGURE(LL.ACCESS_POINT(1))}
-            to="ap"
-          />
+        <ListMenuItem
+          icon={LockIcon}
+          label={LL.SECURITY(0)}
+          text={LL.SECURITY_1()}
+          to="security"
+        />
 
-          <ListMenuItem
-            icon={AccessTimeIcon}
-            bgcolor="#c5572c"
-            label="NTP"
-            text={LL.CONFIGURE(LL.LOCAL_TIME(1))}
-            to="ntp"
-          />
+        <ListMenuItem
+          icon={ViewModuleIcon}
+          bgcolor="#efc34b"
+          label={LL.MODULES()}
+          text={LL.MODULES_1()}
+          to="modules"
+        />
 
-          <ListMenuItem
-            icon={DeviceHubIcon}
-            bgcolor="#68374d"
-            label="MQTT"
-            text={LL.CONFIGURE('MQTT')}
-            to="mqtt"
-          />
-
-          <ListMenuItem
-            icon={LockIcon}
-            label={LL.SECURITY(0)}
-            text={LL.SECURITY_1()}
-            to="security"
-          />
-
-          <ListMenuItem
-            icon={ViewModuleIcon}
-            bgcolor="#efc34b"
-            label={LL.MODULES()}
-            text={LL.MODULES_1()}
-            to="modules"
-          />
-
-          <ListMenuItem
-            icon={ImportExportIcon}
-            bgcolor="#5d89f7"
-            label={LL.DOWNLOAD_UPLOAD()}
-            text={LL.DOWNLOAD_UPLOAD_1()}
-            to="downloadUpload"
-          />
-        </List>
-
-        <Dialog
-          sx={dialogStyle}
-          open={confirmFactoryReset}
-          onClose={handleFactoryResetClose}
-        >
-          <DialogTitle>{LL.FACTORY_RESET()}</DialogTitle>
-          <DialogContent dividers>{LL.SYSTEM_FACTORY_TEXT_DIALOG()}</DialogContent>
-          <DialogActions>
-            <Button
-              startIcon={<CancelIcon />}
-              variant="outlined"
-              onClick={handleFactoryResetClose}
-              color="secondary"
-            >
-              {LL.CANCEL()}
-            </Button>
-            <Button
-              startIcon={<SettingsBackupRestoreIcon />}
-              variant="outlined"
-              onClick={doFormat}
-              color="error"
-            >
-              {LL.FACTORY_RESET()}
-            </Button>
-          </DialogActions>
-        </Dialog>
-
-        <Divider />
-
-        <Box
-          sx={{
-            mt: 2,
-            display: 'flex',
-            justifyContent: 'flex-end',
-            flexWrap: 'nowrap',
-            whiteSpace: 'nowrap'
-          }}
-        >
-          <Button
-            startIcon={<SettingsBackupRestoreIcon />}
-            variant="outlined"
-            onClick={handleFactoryResetClick}
-            color="error"
-          >
-            {LL.FACTORY_RESET()}
-          </Button>
-        </Box>
-      </>
-    );
-  }, [
-    LL,
-    handleFactoryResetClick,
-    handleFactoryResetClose,
-    doFormat,
-    confirmFactoryReset,
-    restarting
-  ]);
-
-  return restarting ? <SystemMonitor /> : <SectionContent>{content}</SectionContent>;
+        <ListMenuItem
+          icon={ImportExportIcon}
+          bgcolor="#5d89f7"
+          label={LL.DOWNLOAD_UPLOAD()}
+          text={LL.DOWNLOAD_UPLOAD_1()}
+          to="downloadUpload"
+        />
+      </List>
+    </SectionContent>
+  );
 };
 
 export default Settings;

interface/src/app/settings/TZ.tsx

@@ -1,5 +1,3 @@
-import { useMemo } from 'react';
-
 import { MenuItem } from '@mui/material';
 
 export const TIME_ZONES: Record<string, string> = {
@@ -472,26 +470,16 @@ export function selectedTimeZone(label: string, format: string) {
   return TIME_ZONES[label] === format ? label : undefined;
 }
 
-// Memoized version for use in components
-export function useTimeZoneSelectItems() {
-  return useMemo(
-    () =>
-      TIME_ZONE_LABELS.map((label) => (
-        <MenuItem key={label} value={label}>
-          {label}
-        </MenuItem>
-      )),
-    []
-  );
-}
-
-// Fallback export for backward compatibility - now memoized
 const precomputedTimeZoneItems = TIME_ZONE_LABELS.map((label) => (
   <MenuItem key={label} value={label}>
     {label}
   </MenuItem>
 ));
 
+export function useTimeZoneSelectItems() {
+  return precomputedTimeZoneItems;
+}
+
 export function timeZoneSelectItems() {
   return precomputedTimeZoneItems;
 }

interface/src/app/settings/Version.tsx

@@ -0,0 +1,958 @@
+import { memo, useContext, useMemo, useState } from 'react';
+import { Link } from 'react-router';
+import { toast } from 'react-toastify';
+
+import CancelIcon from '@mui/icons-material/Cancel';
+import CloseIcon from '@mui/icons-material/Close';
+import CheckIcon from '@mui/icons-material/Done';
+import DownloadIcon from '@mui/icons-material/GetApp';
+import InfoOutlinedIcon from '@mui/icons-material/InfoOutlined';
+import PowerSettingsNewIcon from '@mui/icons-material/PowerSettingsNew';
+import SettingsBackupRestoreIcon from '@mui/icons-material/SettingsBackupRestore';
+import WarningIcon from '@mui/icons-material/Warning';
+import {
+  Box,
+  Button,
+  Dialog,
+  DialogActions,
+  DialogContent,
+  DialogTitle,
+  Grid,
+  IconButton,
+  Table,
+  TableBody,
+  TableCell,
+  TableRow,
+  Typography
+} from '@mui/material';
+
+import * as SystemApi from 'api/system';
+import { API, callAction } from 'api/app';
+
+import { dialogStyle } from 'CustomTheme';
+import { useRequest } from 'alova/client';
+import type { APIcall } from 'app/main/types';
+import SystemMonitor from 'app/status/SystemMonitor';
+import {
+  FormLoader,
+  SectionContent,
+  SingleUpload,
+  useLayoutTitle
+} from 'components';
+import { AuthenticatedContext } from 'contexts/authentication';
+import { useI18nContext } from 'i18n/i18n-react';
+import type { TranslationFunctions } from 'i18n/i18n-types';
+import type { VersionInfo } from 'types';
+import { prettyDateTime } from 'utils/time';
+
+// Constants moved outside component to avoid recreation
+const STABLE_URL = 'https://github.com/emsesp/EMS-ESP32/releases/download/';
+const STABLE_RELNOTES_URL =
+  'https://github.com/emsesp/EMS-ESP32/blob/main/CHANGELOG.md';
+const DEV_URL = 'https://github.com/emsesp/EMS-ESP32/releases/download/latest/';
+const DEV_RELNOTES_URL =
+  'https://github.com/emsesp/EMS-ESP32/blob/dev/CHANGELOG_LATEST.md';
+
+// Types for better type safety
+interface PartitionData {
+  partition: string;
+  version: string;
+  install_date?: string;
+  size: number;
+}
+
+interface VersionData {
+  emsesp_version: string;
+  arduino_version: string;
+  esp_platform: string;
+  flash_chip_size: number;
+  psram: boolean;
+  build_flags?: string;
+  partition: string;
+  partitions: PartitionData[];
+  developer_mode: boolean;
+}
+
+// Memoized components for better performance
+const VersionInfoDialog = memo(
+  ({
+    showVersionInfo,
+    latestVersion,
+    latestDevVersion,
+    partitionVersion,
+    partition,
+    currentPartition,
+    size,
+    locale,
+    LL,
+    onClose
+  }: {
+    showVersionInfo: number;
+    latestVersion: VersionInfo | undefined;
+    latestDevVersion: VersionInfo | undefined;
+    partitionVersion: VersionInfo | undefined;
+    partition: string;
+    currentPartition: string;
+    size: number;
+    locale: string;
+    LL: TranslationFunctions;
+    onClose: () => void;
+  }) => {
+    if (showVersionInfo === 0) return null;
+
+    const isStable = showVersionInfo === 1;
+    const isDev = showVersionInfo === 2;
+    const isPartition = showVersionInfo === 3;
+
+    const version = isStable
+      ? latestVersion
+      : isDev
+        ? latestDevVersion
+        : partitionVersion;
+    const relNotesUrl = isStable
+      ? STABLE_RELNOTES_URL
+      : isDev
+        ? DEV_RELNOTES_URL
+        : '';
+
+    return (
+      <Dialog sx={dialogStyle} open={showVersionInfo !== 0} onClose={onClose}>
+        <DialogTitle>{LL.FIRMWARE_VERSION_INFO()}</DialogTitle>
+        <DialogContent dividers>
+          <Table size="small" sx={{ borderCollapse: 'collapse', minWidth: 0 }}>
+            <TableBody>
+              <TableRow sx={{ height: 24, borderBottom: 'none' }}>
+                <TableCell
+                  component="th"
+                  scope="row"
+                  sx={{
+                    color: 'lightblue',
+                    borderBottom: 'none',
+                    pr: 1,
+                    py: 0.5,
+                    fontSize: 13
+                  }}
+                >
+                  {LL.VERSION()}
+                </TableCell>
+                <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
+                  {isPartition
+                    ? typeof version === 'string'
+                      ? version
+                      : version?.version
+                    : version?.version}
+                </TableCell>
+              </TableRow>
+              <TableRow sx={{ height: 24, borderBottom: 'none' }}>
+                <TableCell
+                  component="th"
+                  scope="row"
+                  sx={{
+                    color: 'lightblue',
+                    borderBottom: 'none',
+                    pr: 1,
+                    py: 0.5,
+                    fontSize: 13,
+                    width: 140
+                  }}
+                >
+                  {isPartition ? LL.TYPE(0) : LL.RELEASE_TYPE()}
+                </TableCell>
+                <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
+                  {partition === currentPartition && LL.ACTIVE() + ' '}
+                  {isStable
+                    ? LL.STABLE()
+                    : isDev
+                      ? LL.DEVELOPMENT()
+                      : 'Partition ' + LL.VERSION()}
+                </TableCell>
+              </TableRow>
+              {isPartition && (
+                <TableRow sx={{ height: 24, borderBottom: 'none' }}>
+                  <TableCell
+                    component="th"
+                    scope="row"
+                    sx={{
+                      color: 'lightblue',
+                      borderBottom: 'none',
+                      pr: 1,
+                      py: 0.5,
+                      fontSize: 13
+                    }}
+                  >
+                    Partition
+                  </TableCell>
+                  <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
+                    {partition}
+                  </TableCell>
+                </TableRow>
+              )}
+              {isPartition && (
+                <TableRow sx={{ height: 24, borderBottom: 'none' }}>
+                  <TableCell
+                    component="th"
+                    scope="row"
+                    sx={{
+                      color: 'lightblue',
+                      borderBottom: 'none',
+                      pr: 1,
+                      py: 0.5,
+                      fontSize: 13
+                    }}
+                  >
+                    Size
+                  </TableCell>
+                  <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
+                    {size} KB
+                  </TableCell>
+                </TableRow>
+              )}
+              {version && version.date && (
+                <TableRow sx={{ height: 24, borderBottom: 'none' }}>
+                  <TableCell
+                    component="th"
+                    scope="row"
+                    sx={{
+                      color: 'lightblue',
+                      borderBottom: 'none',
+                      pr: 1,
+                      py: 0.5,
+                      fontSize: 13
+                    }}
+                  >
+                    {isPartition ? 'Install Date' : 'Build Date'}
+                  </TableCell>
+                  <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
+                    {prettyDateTime(locale, new Date(version.date))}
+                  </TableCell>
+                </TableRow>
+              )}
+            </TableBody>
+          </Table>
+        </DialogContent>
+        <DialogActions>
+          {!isPartition && (
+            <Button
+              variant="outlined"
+              component="a"
+              href={relNotesUrl}
+              target="_blank"
+              color="primary"
+            >
+              Changelog
+            </Button>
+          )}
+          <Button variant="outlined" onClick={onClose} color="secondary">
+            {LL.CLOSE()}
+          </Button>
+        </DialogActions>
+      </Dialog>
+    );
+  }
+);
+
+const InstallDialog = memo(
+  ({
+    openInstallDialog,
+    fetchDevVersion,
+    latestVersion,
+    latestDevVersion,
+    upgradeImportantMessageType,
+    downloadOnly,
+    platform,
+    LL,
+    onClose,
+    onInstall
+  }: {
+    openInstallDialog: boolean;
+    fetchDevVersion: boolean;
+    latestVersion: VersionInfo | undefined;
+    latestDevVersion: VersionInfo | undefined;
+    upgradeImportantMessageType: number;
+    downloadOnly: boolean;
+    platform: string;
+    LL: TranslationFunctions;
+    onClose: () => void;
+    onInstall: (url: string) => void;
+  }) => {
+    const binURL = (() => {
+      if (!latestVersion || !latestDevVersion) return '';
+      const version = fetchDevVersion ? latestDevVersion : latestVersion;
+      const filename = `EMS-ESP-${version.version.replaceAll('.', '_')}-${platform}.bin`;
+      return fetchDevVersion
+        ? `${DEV_URL}${filename}`
+        : `${STABLE_URL}v${version.version}/${filename}`;
+    })();
+
+    return (
+      <Dialog sx={dialogStyle} open={openInstallDialog} onClose={onClose}>
+        <DialogTitle>
+          {`${LL.INSTALL()} ${fetchDevVersion ? LL.DEVELOPMENT() : LL.STABLE()} Firmware`}
+        </DialogTitle>
+        <DialogContent dividers>
+          <Typography sx={{ mb: 2 }}>
+            {LL.INSTALL_VERSION(
+              downloadOnly ? LL.DOWNLOAD(1) : LL.INSTALL(),
+              fetchDevVersion ? latestDevVersion?.version : latestVersion?.version
+            )}
+          </Typography>
+          {upgradeImportantMessageType === 2 && LL.UPGRADE_IMPORTANT_MESSAGES_2()}
+          {upgradeImportantMessageType === 1 && (
+            <>
+              {LL.UPGRADE_IMPORTANT_MESSAGES_1()}
+              <Typography sx={{ mt: 2 }}>
+                <Link to="/settings/downloadUpload" style={{ color: 'lightblue' }}>
+                  {LL.DOWNLOAD_SYSTEM_BACKUP()}
+                </Link>
+              </Typography>
+            </>
+          )}
+          <Typography sx={{ mt: 2 }}>
+            <Link
+              to="https://docs.emsesp.org/FAQ#upgrading-the-firmware"
+              target="_blank"
+              rel="noreferrer"
+              style={{ color: 'lightblue' }}
+            >
+              {LL.ONLINE_HELP()}
+            </Link>
+          </Typography>
+        </DialogContent>
+        <DialogActions>
+          <Button
+            startIcon={<CancelIcon />}
+            variant="outlined"
+            onClick={onClose}
+            color="secondary"
+          >
+            {LL.CANCEL()}
+          </Button>
+          <Button
+            startIcon={<DownloadIcon />}
+            variant="outlined"
+            onClick={onClose}
+            color="primary"
+          >
+            <Link
+              to={binURL}
+              target="_blank"
+              rel="noreferrer"
+              style={{ color: 'lightblue', textDecoration: 'none' }}
+            >
+              {LL.DOWNLOAD(0)}
+            </Link>
+          </Button>
+          {!downloadOnly && (
+            <Button
+              startIcon={<WarningIcon color="warning" />}
+              variant="outlined"
+              onClick={() => onInstall(binURL)}
+              color="primary"
+            >
+              {LL.INSTALL()}
+            </Button>
+          )}
+        </DialogActions>
+      </Dialog>
+    );
+  }
+);
+
+const InstallPartitionDialog = memo(
+  ({
+    openInstallPartitionDialog,
+    version,
+    partition,
+    LL,
+    onClose,
+    onInstall
+  }: {
+    openInstallPartitionDialog: boolean;
+    version: string;
+    partition: string;
+    LL: TranslationFunctions;
+    onClose: () => void;
+    onInstall: (partition: string) => void;
+  }) => {
+    return (
+      <Dialog sx={dialogStyle} open={openInstallPartitionDialog} onClose={onClose}>
+        <DialogTitle>
+          {LL.INSTALL()} {LL.STORED_VERSIONS()}
+        </DialogTitle>
+        <DialogContent dividers>
+          <Typography sx={{ mb: 2 }}>
+            {LL.INSTALL_VERSION(LL.INSTALL(), version)}
+          </Typography>
+        </DialogContent>
+        <DialogActions>
+          <Button
+            startIcon={<CancelIcon />}
+            variant="outlined"
+            onClick={onClose}
+            color="secondary"
+          >
+            {LL.CANCEL()}
+          </Button>
+
+          <Button
+            startIcon={<WarningIcon color="warning" />}
+            variant="outlined"
+            onClick={() => onInstall(partition)}
+            color="primary"
+          >
+            {LL.INSTALL()}
+          </Button>
+        </DialogActions>
+      </Dialog>
+    );
+  }
+);
+
+// Helper function moved outside component
+const getPlatform = (data: VersionData): string => {
+  return `${data.esp_platform}-${data.flash_chip_size >= 16384 ? '16MB' : '4MB'}${data.psram ? '+' : ''}`;
+};
+
+const Version = () => {
+  const { LL, locale } = useI18nContext();
+  const { me, versions } = useContext(AuthenticatedContext);
+
+  const [restarting, setRestarting] = useState<boolean>(false);
+  const [confirmFactoryReset, setConfirmFactoryReset] = useState<boolean>(false);
+  const [confirmRestart, setConfirmRestart] = useState<boolean>(false);
+  const [openInstallDialog, setOpenInstallDialog] = useState<boolean>(false);
+
+  const [partitionVersion, setPartitionVersion] = useState<VersionInfo | undefined>(
+    undefined
+  );
+  const [partition, setPartition] = useState<string>('');
+  const [openInstallPartitionDialog, setOpenInstallPartitionDialog] =
+    useState<boolean>(false);
+
+  const [fetchDevVersion, setFetchDevVersion] = useState<boolean>(false);
+  const [downloadOnly, setDownloadOnly] = useState<boolean>(false);
+  const [showVersionInfo, setShowVersionInfo] = useState<number>(0); // 1 = stable, 2 = dev, 3 = partition
+  const [firmwareSize, setFirmwareSize] = useState<number>(0);
+
+  const latestVersion = useMemo<VersionInfo | undefined>(
+    () =>
+      versions?.stable
+        ? { version: versions.stable.version, date: versions.stable.date }
+        : undefined,
+    [versions?.stable]
+  );
+  const latestDevVersion = useMemo<VersionInfo | undefined>(
+    () =>
+      versions?.dev
+        ? { version: versions.dev.version, date: versions.dev.date }
+        : undefined,
+    [versions?.dev]
+  );
+  const usingDevVersion = versions?.current?.type === 'dev';
+  const stableUpgradeAvailable = versions?.stable?.upgradeable ?? false;
+  const devUpgradeAvailable = versions?.dev?.upgradeable ?? false;
+  const internetLive = Boolean(versions?.stable || versions?.dev);
+
+  const { send: sendSetPartition } = useRequest(
+    (partition: string) => callAction({ action: 'setPartition', param: partition }),
+    { immediate: false }
+  ).onError((error) => {
+    toast.error(String(error.error?.message || 'An error occurred'));
+  });
+
+  const {
+    data,
+    send: loadData,
+    error
+  } = useRequest(SystemApi.readSystemStatus).onSuccess((event) => {
+    const systemData = event.data as VersionData;
+    if (systemData.arduino_version.startsWith('Tasmota')) {
+      setDownloadOnly(true);
+    }
+  });
+
+  const { send: sendUploadURL } = useRequest(
+    (url: string) => callAction({ action: 'uploadURL', param: url }),
+    { immediate: false }
+  );
+
+  const { send: sendAPI } = useRequest((data: APIcall) => API(data), {
+    immediate: false
+  });
+
+  const [upgradeImportantMessageType, setUpgradeImportantMessageType] =
+    useState<number>(0);
+
+  const { send: checkUpgradeImportantMessages } = useRequest(
+    (version: string) =>
+      callAction({ action: 'upgradeImportantMessages', param: version }),
+    {
+      immediate: false
+    }
+  )
+    .onSuccess((event) => {
+      const upgradeImportantMessageType_n = (
+        event.data as { upgradeImportantMessageType: number }
+      ).upgradeImportantMessageType;
+      setUpgradeImportantMessageType(upgradeImportantMessageType_n);
+    })
+    .onError((error) => {
+      toast.error(String(error.error?.message || 'An error occurred'));
+    });
+
+  const platform = data ? getPlatform(data) : '';
+
+  const otherPartitions =
+    data?.partitions.filter((p) => p.partition !== data.partition) ?? [];
+
+  const setPartitionVersionInfo = (partition: string) => {
+    setShowVersionInfo(3);
+    const partitionData = data?.partitions.find((p) => p.partition === partition);
+    if (partitionData) {
+      setPartitionVersion({
+        version: partitionData.version,
+        date: partitionData.install_date ?? ''
+      });
+      setPartition(partitionData.partition);
+      setFirmwareSize(partitionData.size);
+    }
+  };
+
+  const doRestart = async () => {
+    setConfirmRestart(false);
+    await sendAPI({ device: 'system', cmd: 'restart', id: 0 }).catch(
+      (error: Error) => {
+        toast.error(error.message);
+      }
+    );
+    setRestarting(true);
+  };
+
+  const doFormat = async () => {
+    await sendAPI({ device: 'system', cmd: 'format', id: 0 }).then(() => {
+      setRestarting(true);
+      setConfirmFactoryReset(false);
+    });
+  };
+
+  const handleFactoryResetClose = () => setConfirmFactoryReset(false);
+  const handleFactoryResetClick = () => setConfirmFactoryReset(true);
+  const handleRestartClose = () => setConfirmRestart(false);
+  const handleRestartClick = () => setConfirmRestart(true);
+
+  const installFirmwareURL = async (url: string) => {
+    await sendUploadURL(url).catch((error: Error) => {
+      toast.error(error.message);
+    });
+    await doRestart();
+  };
+
+  const installPartitionFirmware = async (partition: string) => {
+    await sendSetPartition(partition).catch((error: Error) => {
+      toast.error(error.message);
+    });
+    setRestarting(true);
+  };
+
+  const showPartitionDialog = (
+    version: string,
+    partition: string,
+    install_date: string
+  ) => {
+    setOpenInstallPartitionDialog(true);
+    setPartitionVersion({ version: version, date: install_date });
+    setPartition(partition);
+  };
+
+  const showFirmwareDialog = (useDevVersion: boolean) => {
+    setFetchDevVersion(useDevVersion);
+    const targetVersion = useDevVersion
+      ? latestDevVersion?.version
+      : latestVersion?.version;
+    if (targetVersion) {
+      void checkUpgradeImportantMessages(targetVersion);
+    }
+    setOpenInstallDialog(true);
+  };
+
+  const closeInstallDialog = () => setOpenInstallDialog(false);
+  const closeInstallPartitionDialog = () => setOpenInstallPartitionDialog(false);
+
+  const handleVersionInfoClose = () => {
+    setShowVersionInfo(0);
+    setPartitionVersion(undefined);
+    setPartition('');
+  };
+
+  useLayoutTitle('EMS-ESP Firmware');
+
+  const showButtons = (showingDev: boolean) => {
+    const choice = showingDev
+      ? !usingDevVersion
+        ? LL.SWITCH_RELEASE_TYPE(LL.DEVELOPMENT())
+        : devUpgradeAvailable
+          ? LL.UPDATE_AVAILABLE()
+          : undefined
+      : usingDevVersion
+        ? LL.SWITCH_RELEASE_TYPE(LL.STABLE())
+        : stableUpgradeAvailable
+          ? LL.UPDATE_AVAILABLE()
+          : undefined;
+
+    if (!choice) {
+      return (
+        <>
+          <CheckIcon
+            color="success"
+            sx={{ verticalAlign: 'middle', ml: 0.5, mr: 0.5 }}
+          />
+          <span style={{ color: '#66bb6a', fontSize: '0.8em' }}>
+            {LL.LATEST_VERSION(usingDevVersion ? LL.DEVELOPMENT() : LL.STABLE())}
+          </span>
+          <Button
+            sx={{ ml: 1 }}
+            variant="outlined"
+            size="small"
+            onClick={() => showFirmwareDialog(showingDev)}
+          >
+            {LL.REINSTALL()}
+          </Button>
+        </>
+      );
+    }
+
+    if (!me.admin) return null;
+
+    const isUpdateAvailable = choice === LL.UPDATE_AVAILABLE();
+
+    return (
+      <Button
+        sx={{ ml: 1 }}
+        variant="outlined"
+        color={isUpdateAvailable ? 'success' : 'warning'}
+        size="small"
+        onClick={() => showFirmwareDialog(showingDev)}
+      >
+        {choice}
+        {isUpdateAvailable && (
+          <Box
+            component="span"
+            aria-label="update available"
+            sx={{
+              display: 'inline-block',
+              width: 8,
+              height: 8,
+              ml: 1,
+              verticalAlign: 'middle',
+              borderRadius: '50%',
+              backgroundColor: '#ffeb3b',
+              boxShadow: '0 0 6px rgba(255, 235, 59, 0.8)'
+            }}
+          />
+        )}
+      </Button>
+    );
+  };
+
+  if (restarting) {
+    return <SystemMonitor />;
+  }
+
+  if (!data) {
+    return (
+      <SectionContent>
+        <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />
+      </SectionContent>
+    );
+  }
+
+  return (
+    <SectionContent>
+      <Box sx={{ p: 2, border: '1px solid #565656', borderRadius: 2 }}>
+        <Typography sx={{ mb: 1 }} variant="h6" color="primary">
+          {LL.THIS_VERSION()}
+        </Typography>
+
+        <Grid
+          container
+          direction="row"
+          sx={{
+            justifyContent: 'flex-start',
+            alignItems: 'baseline'
+          }}
+        >
+          <Grid size={{ xs: 4, md: 2 }}>
+            <Typography color="secondary">{LL.VERSION()}</Typography>
+          </Grid>
+          <Grid size={{ xs: 8, md: 10 }}>
+            <Typography>
+              {data.emsesp_version}
+              {data.build_flags && (
+                <Typography variant="caption">
+                  &nbsp; &#40;{data.build_flags}&#41;
+                </Typography>
+              )}
+              <IconButton
+                onClick={() => setPartitionVersionInfo(data.partition)}
+                aria-label={LL.FIRMWARE_VERSION_INFO()}
+              >
+                <InfoOutlinedIcon color="primary" sx={{ fontSize: 18 }} />
+              </IconButton>
+            </Typography>
+          </Grid>
+
+          <Grid size={{ xs: 4, md: 2 }}>
+            <Typography color="secondary">{LL.PLATFORM()}</Typography>
+          </Grid>
+          <Grid size={{ xs: 8, md: 10 }}>
+            <Typography>
+              {platform}
+              <Typography variant="caption">
+                &nbsp; &#40;
+                {data.psram ? (
+                  <CheckIcon
+                    color="success"
+                    sx={{
+                      fontSize: '1.5em',
+                      verticalAlign: 'middle'
+                    }}
+                  />
+                ) : (
+                  <CloseIcon
+                    color="error"
+                    sx={{
+                      fontSize: '1.5em',
+                      verticalAlign: 'middle'
+                    }}
+                  />
+                )}
+                PSRAM&#41;
+              </Typography>
+            </Typography>
+          </Grid>
+        </Grid>
+
+        {internetLive ? (
+          <>
+            <Typography sx={{ mt: 4, mb: 1 }} variant="h6" color="primary">
+              {LL.AVAILABLE_VERSION()}
+            </Typography>
+
+            <Grid
+              container
+              direction="row"
+              rowSpacing={1}
+              sx={{
+                justifyContent: 'flex-start',
+                alignItems: 'baseline'
+              }}
+            >
+              {otherPartitions.length > 0 && data.developer_mode && (
+                <>
+                  <Grid size={{ xs: 4, md: 2 }}>
+                    <Typography color="secondary">{LL.STORED_VERSIONS()}</Typography>
+                  </Grid>
+                  <Grid size={{ xs: 8, md: 10 }}>
+                    {otherPartitions.map((partition) => (
+                      <Typography key={partition.partition} sx={{ mb: 1 }}>
+                        {partition.version}
+                        <IconButton
+                          onClick={() =>
+                            setPartitionVersionInfo(partition.partition)
+                          }
+                          aria-label={LL.FIRMWARE_VERSION_INFO()}
+                        >
+                          <InfoOutlinedIcon color="primary" sx={{ fontSize: 18 }} />
+                        </IconButton>
+                        <Button
+                          sx={{ ml: 0 }}
+                          variant="outlined"
+                          size="small"
+                          onClick={() =>
+                            showPartitionDialog(
+                              partition.version,
+                              partition.partition,
+                              partition.install_date ?? ''
+                            )
+                          }
+                        >
+                          {LL.INSTALL()}
+                        </Button>
+                      </Typography>
+                    ))}
+                  </Grid>
+                </>
+              )}
+              <Grid size={{ xs: 4, md: 2 }}>
+                <Typography color="secondary">{LL.STABLE()}</Typography>
+              </Grid>
+              <Grid size={{ xs: 8, md: 10 }}>
+                <Typography>
+                  {latestVersion?.version}
+                  <IconButton
+                    onClick={() => setShowVersionInfo(1)}
+                    aria-label={LL.FIRMWARE_VERSION_INFO()}
+                  >
+                    <InfoOutlinedIcon color="primary" sx={{ fontSize: 18 }} />
+                  </IconButton>
+                  {showButtons(false)}
+                </Typography>
+              </Grid>
+
+              <Grid size={{ xs: 4, md: 2 }}>
+                <Typography color="secondary">{LL.DEVELOPMENT()}</Typography>
+              </Grid>
+              <Grid size={{ xs: 8, md: 10 }}>
+                <Typography>
+                  {latestDevVersion?.version}
+                  <IconButton
+                    onClick={() => setShowVersionInfo(2)}
+                    aria-label={LL.FIRMWARE_VERSION_INFO()}
+                  >
+                    <InfoOutlinedIcon color="primary" sx={{ fontSize: 18 }} />
+                  </IconButton>
+                  {showButtons(true)}
+                </Typography>
+              </Grid>
+            </Grid>
+          </>
+        ) : (
+          <Typography sx={{ mt: 2 }} color="warning">
+            <WarningIcon color="warning" sx={{ verticalAlign: 'middle', mr: 2 }} />
+            {LL.INTERNET_CONNECTION_REQUIRED()}
+          </Typography>
+        )}
+        {me.admin && (
+          <>
+            <VersionInfoDialog
+              showVersionInfo={showVersionInfo}
+              latestVersion={latestVersion}
+              latestDevVersion={latestDevVersion}
+              partitionVersion={partitionVersion}
+              locale={locale}
+              partition={partition}
+              currentPartition={data?.partition ?? ''}
+              size={firmwareSize}
+              LL={LL}
+              onClose={handleVersionInfoClose}
+            />
+            <InstallDialog
+              openInstallDialog={openInstallDialog}
+              fetchDevVersion={fetchDevVersion}
+              latestVersion={latestVersion}
+              latestDevVersion={latestDevVersion}
+              upgradeImportantMessageType={upgradeImportantMessageType}
+              downloadOnly={downloadOnly}
+              platform={platform}
+              LL={LL}
+              onClose={closeInstallDialog}
+              onInstall={installFirmwareURL}
+            />
+            <InstallPartitionDialog
+              openInstallPartitionDialog={openInstallPartitionDialog}
+              version={partitionVersion?.version || ''}
+              partition={partition}
+              LL={LL}
+              onClose={closeInstallPartitionDialog}
+              onInstall={installPartitionFirmware}
+            />
+            <Typography sx={{ pt: 2, pb: 2 }} variant="h6" color="primary">
+              {LL.UPLOAD()}
+            </Typography>
+            <SingleUpload doRestart={doRestart} />
+          </>
+        )}
+      </Box>
+
+      {me.admin && (
+        <>
+          <Dialog
+            sx={dialogStyle}
+            open={confirmFactoryReset}
+            onClose={handleFactoryResetClose}
+          >
+            <DialogTitle>{LL.FACTORY_RESET()}</DialogTitle>
+            <DialogContent dividers>{LL.SYSTEM_FACTORY_TEXT_DIALOG()}</DialogContent>
+            <DialogActions>
+              <Button
+                startIcon={<CancelIcon />}
+                variant="outlined"
+                onClick={handleFactoryResetClose}
+                color="secondary"
+              >
+                {LL.CANCEL()}
+              </Button>
+              <Button
+                startIcon={<SettingsBackupRestoreIcon />}
+                variant="outlined"
+                onClick={doFormat}
+                color="error"
+              >
+                {LL.FACTORY_RESET()}
+              </Button>
+            </DialogActions>
+          </Dialog>
+
+          <Dialog
+            sx={dialogStyle}
+            open={confirmRestart}
+            onClose={handleRestartClose}
+          >
+            <DialogTitle>{LL.RESTART()}</DialogTitle>
+            <DialogContent dividers>{LL.RESTART_CONFIRM()}</DialogContent>
+            <DialogActions>
+              <Button
+                startIcon={<CancelIcon />}
+                variant="outlined"
+                onClick={handleRestartClose}
+                color="secondary"
+              >
+                {LL.CANCEL()}
+              </Button>
+              <Button
+                startIcon={<PowerSettingsNewIcon />}
+                variant="outlined"
+                onClick={doRestart}
+                color="error"
+              >
+                {LL.RESTART()}
+              </Button>
+            </DialogActions>
+          </Dialog>
+
+          <Box
+            sx={{
+              mt: 2,
+              display: 'flex',
+              justifyContent: 'flex-end',
+              flexWrap: 'nowrap',
+              whiteSpace: 'nowrap',
+              gap: 1
+            }}
+          >
+            <Button
+              startIcon={<PowerSettingsNewIcon />}
+              variant="outlined"
+              onClick={handleRestartClick}
+              color="error"
+            >
+              {LL.RESTART()}
+            </Button>
+            {data.developer_mode && (
+              <Button
+                startIcon={<SettingsBackupRestoreIcon />}
+                variant="outlined"
+                onClick={handleFactoryResetClick}
+                color="error"
+              >
+                {LL.FACTORY_RESET()}
+              </Button>
+            )}
+          </Box>
+        </>
+      )}
+    </SectionContent>
+  );
+};
+
+export default memo(Version);

interface/src/app/settings/network/Network.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useMemo, useState } from 'react';
+import { memo, useState } from 'react';
 import {
   Navigate,
   Route,
@@ -40,26 +40,20 @@ const Network = () => {
 
   const [selectedNetwork, setSelectedNetwork] = useState<WiFiNetwork>();
 
-  const selectNetwork = useCallback(
-    (network: WiFiNetwork) => {
-      setSelectedNetwork(network);
-      void navigate('/settings/network/settings');
-    },
-    [navigate]
-  );
+  const selectNetwork = (network: WiFiNetwork) => {
+    setSelectedNetwork(network);
+    void navigate('/settings/network/settings');
+  };
 
-  const deselectNetwork = useCallback(() => {
+  const deselectNetwork = () => {
     setSelectedNetwork(undefined);
-  }, []);
+  };
 
-  const contextValue = useMemo(
-    () => ({
-      ...(selectedNetwork && { selectedNetwork }),
-      selectNetwork,
-      deselectNetwork
-    }),
-    [selectedNetwork, selectNetwork, deselectNetwork]
-  );
+  const contextValue = {
+    ...(selectedNetwork && { selectedNetwork }),
+    selectNetwork,
+    deselectNetwork
+  };
 
   return (
     <WiFiConnectionContext.Provider value={contextValue}>

interface/src/app/settings/network/NetworkSettings.tsx

@@ -40,7 +40,7 @@ import {
 import { useI18nContext } from 'i18n/i18n-react';
 import type { NetworkSettingsType } from 'types';
 import { updateValueDirty, useRest } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 import { createNetworkSettingsValidator } from 'validators/network';
 
 import SystemMonitor from '../../status/SystemMonitor';
@@ -89,7 +89,7 @@ const NetworkSettings = () => {
             static_ip_config: false,
             bandwidth20: false,
             tx_power: 0,
-            nosleep: false,
+            nosleep: true,
             enableMDNS: true,
             enableCORS: false,
             CORSOrigin: '*'
@@ -116,24 +116,24 @@ const NetworkSettings = () => {
       await validate(createNetworkSettingsValidator(data), data);
       await saveData();
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
     deselectNetwork();
   }, [data, saveData, deselectNetwork]);
 
-  const setCancel = useCallback(async () => {
+  const setCancel = async () => {
     deselectNetwork();
     await loadData();
-  }, [deselectNetwork, loadData]);
+  };
 
-  const doRestart = useCallback(async () => {
+  const doRestart = async () => {
     setRestarting(true);
     await sendAPI({ device: 'system', cmd: 'restart', id: 0 }).catch(
       (error: Error) => {
         toast.error(error.message);
       }
     );
-  }, [sendAPI]);
+  };
 
   const content = () => {
     if (!data) {
@@ -173,7 +173,7 @@ const NetworkSettings = () => {
           <ValidatedTextField
             fieldErrors={fieldErrors || {}}
             name="ssid"
-            label={'SSID (' + LL.NETWORK_BLANK_SSID() + ')'}
+            label="SSID"
             fullWidth
             variant="outlined"
             value={data.ssid}

interface/src/app/settings/network/WiFiNetworkScanner.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useRef, useState } from 'react';
+import { memo, useRef, useState } from 'react';
 
 import PermScanWifiIcon from '@mui/icons-material/PermScanWifi';
 import { Button } from '@mui/material';
@@ -48,12 +48,12 @@ const WiFiNetworkScanner = () => {
     }
   });
 
-  const renderNetworkScanner = useCallback(() => {
+  const renderNetworkScanner = () => {
     if (!networkList) {
       return <FormLoader errorMessage={errorMessage || ''} />;
     }
     return <WiFiNetworkSelector networkList={networkList} />;
-  }, [networkList, errorMessage]);
+  };
 
   return (
     <SectionContent>

interface/src/app/settings/network/WiFiNetworkSelector.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useContext } from 'react';
+import { memo, useContext } from 'react';
 
 import LockIcon from '@mui/icons-material/Lock';
 import LockOpenIcon from '@mui/icons-material/LockOpen';
@@ -63,34 +63,31 @@ const WiFiNetworkSelector = ({ networkList }: { networkList: WiFiNetworkList })
 
   const wifiConnectionContext = useContext(WiFiConnectionContext);
 
-  const renderNetwork = useCallback(
-    (network: WiFiNetwork) => (
-      <ListItem
-        key={network.bssid}
-        onClick={() => wifiConnectionContext.selectNetwork(network)}
-      >
-        <ListItemAvatar>
-          <Avatar>{isNetworkOpen(network) ? <LockOpenIcon /> : <LockIcon />}</Avatar>
-        </ListItemAvatar>
-        <ListItemText
-          primary={network.ssid}
-          secondary={
-            'Security: ' +
-            networkSecurityMode(network) +
-            ', Ch: ' +
-            network.channel +
-            ', bssid: ' +
-            network.bssid
-          }
-        />
-        <ListItemIcon>
-          <Badge badgeContent={network.rssi + 'dBm'}>
-            <WifiIcon sx={{ color: networkQualityHighlight(network, theme) }} />
-          </Badge>
-        </ListItemIcon>
-      </ListItem>
-    ),
-    [wifiConnectionContext, theme]
+  const renderNetwork = (network: WiFiNetwork) => (
+    <ListItem
+      key={network.bssid}
+      onClick={() => wifiConnectionContext.selectNetwork(network)}
+    >
+      <ListItemAvatar>
+        <Avatar>{isNetworkOpen(network) ? <LockOpenIcon /> : <LockIcon />}</Avatar>
+      </ListItemAvatar>
+      <ListItemText
+        primary={network.ssid}
+        secondary={
+          'Security: ' +
+          networkSecurityMode(network) +
+          ', Ch: ' +
+          network.channel +
+          ', bssid: ' +
+          network.bssid
+        }
+      />
+      <ListItemIcon>
+        <Badge badgeContent={network.rssi + 'dBm'}>
+          <WifiIcon sx={{ color: networkQualityHighlight(network, theme) }} />
+        </Badge>
+      </ListItemIcon>
+    </ListItem>
   );
 
   if (networkList.networks.length === 0) {

interface/src/app/settings/security/ManageUsers.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useContext, useMemo, useState } from 'react';
+import { memo, useCallback, useContext, useState } from 'react';
 import { useBlocker } from 'react-router';
 
 import CancelIcon from '@mui/icons-material/Cancel';
@@ -55,16 +55,14 @@ const ManageUsers = () => {
   const blocker = useBlocker(changed !== 0);
   const { LL } = useI18nContext();
 
-  const table_theme = useMemo(
-    () =>
-      useTheme({
-        Table: `
+  const table_theme = useTheme({
+    Table: `
       --data-table-library_grid-template-columns: repeat(1, minmax(0, 1fr)) minmax(120px, max-content) 120px;
     `,
-        BaseRow: `
+    BaseRow: `
       font-size: 14px;
     `,
-        HeaderRow: `
+    HeaderRow: `
       text-transform: uppercase;
       background-color: black;
       color: #90CAF9;
@@ -74,7 +72,7 @@ const ManageUsers = () => {
         border-bottom: 1px solid #565656;
       }
     `,
-        Row: `
+    Row: `
       .td {
         padding: 8px;
         border-top: 1px solid #565656;
@@ -87,7 +85,7 @@ const ManageUsers = () => {
         background-color: #1e1e1e;
       }
     `,
-        BaseCell: `
+    BaseCell: `
       &:nth-of-type(2) {
         text-align: center;
       }
@@ -95,44 +93,36 @@ const ManageUsers = () => {
         text-align: right;
       }
     `
-      }),
-    []
-  );
+  });
 
-  const noAdminConfigured = useCallback(
-    () => !data?.users.find((u) => u.admin),
-    [data]
-  );
+  const noAdminConfigured = () => !data?.users.find((u) => u.admin);
 
-  const removeUser = useCallback(
-    (toRemove: UserType) => {
-      if (!data) return;
-      const users = data.users.filter((u) => u.username !== toRemove.username);
-      updateDataValue({ ...data, users });
-      setChanged(changed + 1);
-    },
-    [data, updateDataValue, changed]
-  );
+  const removeUser = (toRemove: UserType) => {
+    if (!data) return;
+    const users = data.users.filter((u) => u.username !== toRemove.username);
+    updateDataValue({ ...data, users });
+    setChanged(changed + 1);
+  };
 
-  const createUser = useCallback(() => {
+  const createUser = () => {
     setCreating(true);
     setUser({
       username: '',
       password: '',
       admin: true
     });
-  }, []);
+  };
 
-  const editUser = useCallback((toEdit: UserType) => {
+  const editUser = (toEdit: UserType) => {
     setCreating(false);
     setUser({ ...toEdit });
-  }, []);
+  };
 
-  const cancelEditingUser = useCallback(() => {
+  const cancelEditingUser = () => {
     setUser(undefined);
-  }, []);
+  };
 
-  const doneEditingUser = useCallback(() => {
+  const doneEditingUser = () => {
     if (user && data) {
       const users = [
         ...data.users.filter(
@@ -144,26 +134,26 @@ const ManageUsers = () => {
       setUser(undefined);
       setChanged(changed + 1);
     }
-  }, [user, data, updateDataValue, changed]);
+  };
 
   const closeGenerateToken = useCallback(() => {
     setGeneratingToken(undefined);
   }, []);
 
-  const generateTokenForUser = useCallback((username: string) => {
+  const generateTokenForUser = (username: string) => {
     setGeneratingToken(username);
-  }, []);
+  };
 
-  const onSubmit = useCallback(async () => {
+  const onSubmit = async () => {
     await saveData();
     await authenticatedContext.refresh();
     setChanged(0);
-  }, [saveData, authenticatedContext]);
+  };
 
-  const onCancelSubmit = useCallback(async () => {
+  const onCancelSubmit = async () => {
     await loadData();
     setChanged(0);
-  }, [loadData]);
+  };
 
   const content = () => {
     if (!data) {
@@ -177,15 +167,10 @@ const ManageUsers = () => {
       admin: boolean;
     }
 
-    // add id to the type, needed for the table
-    const user_table = useMemo(
-      () =>
-        data.users.map((u) => ({
-          ...u,
-          id: u.username
-        })) as UserType2[],
-      [data.users]
-    );
+    const user_table = data.users.map((u) => ({
+      ...u,
+      id: u.username
+    })) as UserType2[];
 
     return (
       <>

interface/src/app/settings/security/Security.tsx

@@ -1,4 +1,4 @@
-import { memo, useMemo } from 'react';
+import { memo } from 'react';
 import { Navigate, Route, Routes, matchRoutes, useLocation } from 'react-router';
 
 import { Tab } from '@mui/material';
@@ -15,19 +15,15 @@ const Security = () => {
 
   const location = useLocation();
 
-  const matchedRoutes = useMemo(
-    () =>
-      matchRoutes(
-        [
-          {
-            path: '/settings/security/settings',
-            element: <ManageUsers />
-          },
-          { path: '/settings/security/users', element: <SecuritySettings /> }
-        ],
-        location
-      ),
-    [location]
+  const matchedRoutes = matchRoutes(
+    [
+      {
+        path: '/settings/security/settings',
+        element: <ManageUsers />
+      },
+      { path: '/settings/security/users', element: <SecuritySettings /> }
+    ],
+    location
   );
   const routerTab = matchedRoutes?.[0]?.route.path || false;
 

interface/src/app/settings/security/SecuritySettings.tsx

@@ -19,7 +19,7 @@ import { AuthenticatedContext } from 'contexts/authentication';
 import { useI18nContext } from 'i18n/i18n-react';
 import type { SecuritySettingsType } from 'types';
 import { updateValueDirty, useRest } from 'utils';
-import { SECURITY_SETTINGS_VALIDATOR, validate } from 'validators';
+import { SECURITY_SETTINGS_VALIDATOR, ValidationError, validate } from 'validators';
 
 const SecuritySettings = () => {
   const { LL } = useI18nContext();
@@ -58,7 +58,7 @@ const SecuritySettings = () => {
       await saveData();
       await authenticatedContext.refresh();
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
   }, [data, saveData, authenticatedContext]);
 
@@ -79,7 +79,7 @@ const SecuritySettings = () => {
           onChange={updateFormValue}
           margin="normal"
         />
-        <MessageBox level="info" message={LL.SU_TEXT()} mt={1} />
+        <MessageBox level="info" message={LL.SU_TEXT()} sx={{ mt: 1 }} />
         {dirtyFlags && dirtyFlags.length !== 0 && (
           <ButtonRow>
             <Button

interface/src/app/settings/security/User.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useEffect, useState } from 'react';
+import { memo, useEffect, useState } from 'react';
 import type { FC } from 'react';
 
 import CancelIcon from '@mui/icons-material/Cancel';
@@ -24,7 +24,7 @@ import {
 import { useI18nContext } from 'i18n/i18n-react';
 import type { UserType } from 'types';
 import { updateValue } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 
 interface UserFormProps {
   creating: boolean;
@@ -62,17 +62,17 @@ const User: FC<UserFormProps> = ({
     }
   }, [open]);
 
-  const validateAndDone = useCallback(async () => {
+  const validateAndDone = async () => {
     if (user) {
       try {
         setFieldErrors(undefined);
         await validate(validator, user);
         onDoneEditing();
       } catch (error) {
-        setFieldErrors(error as ValidateFieldsError);
+        setFieldErrors((error as ValidationError).fieldErrors);
       }
     }
-  }, [user, validator, onDoneEditing]);
+  };
 
   return (
     <Dialog

interface/src/app/status/Activity.tsx

@@ -1,5 +1,3 @@
-import { useCallback, useMemo } from 'react';
-
 import {
   Body,
   Cell,
@@ -36,16 +34,14 @@ const SystemActivity = () => {
 
   useLayoutTitle(LL.DATA_TRAFFIC());
 
-  const stats_theme = tableTheme(
-    useMemo(
-      () => ({
-        Table: `
+  const stats_theme = tableTheme({
+    Table: `
       --data-table-library_grid-template-columns: repeat(1, minmax(0, 1fr)) 90px 90px 80px;
     `,
-        BaseRow: `
+    BaseRow: `
       font-size: 14px;
     `,
-        HeaderRow: `
+    HeaderRow: `
       text-transform: uppercase;
       background-color: black;
       color: #90CAF9;
@@ -55,7 +51,7 @@ const SystemActivity = () => {
         border-bottom: 1px solid #565656;
       }
     `,
-        Row: `
+    Row: `
       .td {
         padding: 8px;
         border-top: 1px solid #565656;
@@ -69,26 +65,20 @@ const SystemActivity = () => {
         background-color: #1e1e1e;
       }
     `,
-        BaseCell: `
+    BaseCell: `
       &:not(:first-of-type) {
         text-align: center;
       }
     `
-      }),
-      []
-    )
-  );
+  });
 
-  const showName = useCallback(
-    (id: number) => {
-      const name: keyof Translation['STATUS_NAMES'] =
-        id.toString() as keyof Translation['STATUS_NAMES'];
-      return LL.STATUS_NAMES[name]();
-    },
-    [LL]
-  );
+  const showName = (id: number) => {
+    const name: keyof Translation['STATUS_NAMES'] =
+      id.toString() as keyof Translation['STATUS_NAMES'];
+    return LL.STATUS_NAMES[name]();
+  };
 
-  const showQuality = useCallback((stat: Stat) => {
+  const showQuality = (stat: Stat) => {
     if (stat.q === 0 || stat.s + stat.f === 0) {
       return;
     }
@@ -100,14 +90,18 @@ const SystemActivity = () => {
     } else {
       return <div style={{ color: QUALITY_COLORS.POOR }}>{stat.q}%</div>;
     }
-  }, []);
-
-  const content = useMemo(() => {
-    if (!data) {
-      return <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />;
-    }
+  };
 
+  if (!data) {
     return (
+      <SectionContent>
+        <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />
+      </SectionContent>
+    );
+  }
+
+  return (
+    <SectionContent>
       <Table
         data={{ nodes: data.stats }}
         theme={stats_theme}
@@ -136,10 +130,8 @@ const SystemActivity = () => {
           </>
         )}
       </Table>
-    );
-  }, [data, loadData, error?.message, stats_theme, LL, showName, showQuality]);
-
-  return <SectionContent>{content}</SectionContent>;
+    </SectionContent>
+  );
 };
 
 export default SystemActivity;

interface/src/app/status/MqttStatus.tsx

@@ -1,4 +1,4 @@
-import { type FC, memo, useMemo } from 'react';
+import { type FC, memo } from 'react';
 
 import AutoAwesomeMotionIcon from '@mui/icons-material/AutoAwesomeMotion';
 import DeviceHubIcon from '@mui/icons-material/DeviceHub';
@@ -127,16 +127,15 @@ const MqttStatus = () => {
     void loadData();
   });
 
-  // Memoize error message separately to avoid re-renders on error object changes
   const errorMessage = error?.message || '';
 
-  const mqttStatusText = useMemo(() => {
-    if (!data) return '';
-    if (!data.enabled) return LL.NOT_ENABLED();
-    return data.connected
-      ? `${LL.CONNECTED(0)} (${data.connect_count})`
-      : `${LL.DISCONNECTED()} (${data.connect_count})`;
-  }, [data, LL]);
+  const mqttStatusText = !data
+    ? ''
+    : !data.enabled
+      ? LL.NOT_ENABLED()
+      : data.connected
+        ? `${LL.CONNECTED(0)} (${data.connect_count})`
+        : `${LL.DISCONNECTED()} (${data.connect_count})`;
 
   if (!data) {
     return (

interface/src/app/status/NTPStatus.tsx

@@ -1,5 +1,3 @@
-import { useMemo } from 'react';
-
 import AccessTimeIcon from '@mui/icons-material/AccessTime';
 import DnsIcon from '@mui/icons-material/Dns';
 import SwapVerticalCircleIcon from '@mui/icons-material/SwapVerticalCircle';
@@ -67,12 +65,16 @@ const NTPStatus = () => {
     }
   };
 
-  const content = useMemo(() => {
-    if (!data) {
-      return <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />;
-    }
-
+  if (!data) {
     return (
+      <SectionContent>
+        <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />
+      </SectionContent>
+    );
+  }
+
+  return (
+    <SectionContent>
       <List>
         <ListItem>
           <ListItemAvatar>
@@ -121,10 +123,8 @@ const NTPStatus = () => {
         </ListItem>
         <Divider variant="inset" component="li" />
       </List>
-    );
-  }, [data, error, loadData, LL, theme]);
-
-  return <SectionContent>{content}</SectionContent>;
+    </SectionContent>
+  );
 };
 
 export default NTPStatus;

interface/src/app/status/NetworkStatus.tsx

@@ -1,5 +1,3 @@
-import { useMemo } from 'react';
-
 import DeviceHubIcon from '@mui/icons-material/DeviceHub';
 import DnsIcon from '@mui/icons-material/Dns';
 import GiteIcon from '@mui/icons-material/Gite';
@@ -124,16 +122,20 @@ const NetworkStatus = () => {
 
   const theme = useTheme();
 
-  const content = useMemo(() => {
-    if (!data) {
-      return <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />;
-    }
-
-    const statusText = getNetworkStatusText(data.status, data.reconnect_count, LL);
-    const statusColor = networkStatusHighlight(data, theme);
-    const qualityColor = networkQualityHighlight(data, theme);
-
+  if (!data) {
     return (
+      <SectionContent>
+        <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />
+      </SectionContent>
+    );
+  }
+
+  const statusText = getNetworkStatusText(data.status, data.reconnect_count, LL);
+  const statusColor = networkStatusHighlight(data, theme);
+  const qualityColor = networkQualityHighlight(data, theme);
+
+  return (
+    <SectionContent>
       <List>
         <ListItem>
           <ListItemAvatar>
@@ -227,10 +229,8 @@ const NetworkStatus = () => {
           </>
         )}
       </List>
-    );
-  }, [data, error, loadData, LL, theme]);
-
-  return <SectionContent>{content}</SectionContent>;
+    </SectionContent>
+  );
 };
 
 export default NetworkStatus;

interface/src/app/status/Status.tsx

@@ -1,25 +1,16 @@
-import { useCallback, useContext, useMemo, useState } from 'react';
-import { toast } from 'react-toastify';
+import { useContext } from 'react';
 
 import AccessTimeIcon from '@mui/icons-material/AccessTime';
-import BuildIcon from '@mui/icons-material/Build';
-import CancelIcon from '@mui/icons-material/Cancel';
 import DeviceHubIcon from '@mui/icons-material/DeviceHub';
 import DirectionsBusIcon from '@mui/icons-material/DirectionsBus';
 import LogoDevIcon from '@mui/icons-material/LogoDev';
 import MemoryIcon from '@mui/icons-material/Memory';
 import MonitorHeartIcon from '@mui/icons-material/MonitorHeart';
-import PowerSettingsNewIcon from '@mui/icons-material/PowerSettingsNew';
 import RouterIcon from '@mui/icons-material/Router';
 import SettingsInputAntennaIcon from '@mui/icons-material/SettingsInputAntenna';
 import WifiIcon from '@mui/icons-material/Wifi';
 import {
   Avatar,
-  Button,
-  Dialog,
-  DialogActions,
-  DialogContent,
-  DialogTitle,
   List,
   ListItem,
   ListItemAvatar,
@@ -27,12 +18,10 @@ import {
   useTheme
 } from '@mui/material';
 
-import { API } from 'api/app';
 import { readSystemStatus } from 'api/system';
 
-import { dialogStyle } from 'CustomTheme';
 import { useRequest } from 'alova/client';
-import { type APIcall, busConnectionStatus } from 'app/main/types';
+import { busConnectionStatus } from 'app/main/types';
 import { FormLoader, SectionContent, useLayoutTitle } from 'components';
 import ListMenuItem from 'components/layout/ListMenuItem';
 import { AuthenticatedContext } from 'contexts/authentication';
@@ -41,9 +30,6 @@ import { NTPSyncStatus, NetworkConnectionStatus, SystemStatusCodes } from 'types
 import { useInterval } from 'utils';
 import { formatDateTime } from 'utils/time';
 
-import SystemMonitor from './SystemMonitor';
-
-// Pure functions moved outside component to avoid recreation on each render
 const formatNumber = (num: number) => new Intl.NumberFormat().format(num);
 
 const formatDurationSec = (
@@ -72,24 +58,7 @@ const SystemStatus = () => {
 
   const { me } = useContext(AuthenticatedContext);
 
-  const [confirmRestart, setConfirmRestart] = useState<boolean>(false);
-  const [restarting, setRestarting] = useState<boolean>();
-
-  const { send: sendAPI } = useRequest((data: APIcall) => API(data), {
-    immediate: false
-  });
-
-  const {
-    data,
-    send: loadData,
-    error
-  } = useRequest(readSystemStatus, {
-    async middleware(_, next) {
-      if (!restarting) {
-        await next();
-      }
-    }
-  });
+  const { data, send: loadData, error } = useRequest(readSystemStatus);
 
   useInterval(() => {
     void loadData();
@@ -97,10 +66,8 @@ const SystemStatus = () => {
 
   const theme = useTheme();
 
-  // Memoize derived status values to avoid recalculation on every render
-  const busStatus = useMemo(() => {
+  const busStatus = (() => {
     if (!data) return 'EMS state unknown';
-
     switch (data.bus_status) {
       case busConnectionStatus.BUS_STATUS_CONNECTED:
         return `EMS ${LL.CONNECTED(0)} (${formatDurationSec(data.bus_uptime, LL)})`;
@@ -111,12 +78,10 @@ const SystemStatus = () => {
       default:
         return 'EMS state unknown';
     }
-  }, [data?.bus_status, data?.bus_uptime, LL]);
+  })();
 
-  // Memoize derived status values to avoid recalculation on every render
-  const systemStatus = useMemo(() => {
+  const systemStatus = (() => {
     if (!data) return '??';
-
     switch (data.status) {
       case SystemStatusCodes.SYSTEM_STATUS_PENDING_UPLOAD:
       case SystemStatusCodes.SYSTEM_STATUS_UPLOADING:
@@ -129,14 +94,12 @@ const SystemStatus = () => {
       case SystemStatusCodes.SYSTEM_STATUS_INVALID_GPIO:
         return LL.GPIO_OF(LL.FAILED(0));
       default:
-        // SystemStatusCodes.SYSTEM_STATUS_NORMAL
         return 'OK';
     }
-  }, [data?.status, LL]);
+  })();
 
-  const busStatusHighlight = useMemo(() => {
+  const busStatusHighlight = (() => {
     if (!data) return theme.palette.warning.main;
-
     switch (data.bus_status) {
       case busConnectionStatus.BUS_STATUS_TX_ERRORS:
         return theme.palette.warning.main;
@@ -147,11 +110,10 @@ const SystemStatus = () => {
       default:
         return theme.palette.warning.main;
     }
-  }, [data?.bus_status, theme.palette]);
+  })();
 
-  const ntpStatus = useMemo(() => {
+  const ntpStatus = (() => {
     if (!data) return LL.UNKNOWN();
-
     switch (data.ntp_status) {
       case NTPSyncStatus.NTP_DISABLED:
         return LL.NOT_ENABLED();
@@ -164,11 +126,10 @@ const SystemStatus = () => {
       default:
         return LL.UNKNOWN();
     }
-  }, [data?.ntp_status, data?.ntp_time, LL]);
+  })();
 
-  const ntpStatusHighlight = useMemo(() => {
+  const ntpStatusHighlight = (() => {
     if (!data) return theme.palette.error.main;
-
     switch (data.ntp_status) {
       case NTPSyncStatus.NTP_DISABLED:
         return theme.palette.info.main;
@@ -179,11 +140,10 @@ const SystemStatus = () => {
       default:
         return theme.palette.error.main;
     }
-  }, [data?.ntp_status, theme.palette]);
+  })();
 
-  const networkStatusHighlight = useMemo(() => {
+  const networkStatusHighlight = (() => {
     if (!data) return theme.palette.warning.main;
-
     switch (data.network_status) {
       case NetworkConnectionStatus.WIFI_STATUS_IDLE:
       case NetworkConnectionStatus.WIFI_STATUS_DISCONNECTED:
@@ -198,11 +158,10 @@ const SystemStatus = () => {
       default:
         return theme.palette.warning.main;
     }
-  }, [data?.network_status, theme.palette]);
+  })();
 
-  const networkStatus = useMemo(() => {
+  const networkStatus = (() => {
     if (!data) return LL.UNKNOWN();
-
     switch (data.network_status) {
       case NetworkConnectionStatus.WIFI_STATUS_NO_SHIELD:
         return LL.INACTIVE(1);
@@ -223,227 +182,103 @@ const SystemStatus = () => {
       default:
         return LL.UNKNOWN();
     }
-  }, [data?.network_status, data?.wifi_rssi, LL]);
+  })();
 
-  const activeHighlight = useCallback(
-    (value: boolean) =>
-      value ? theme.palette.success.main : theme.palette.info.main,
-    [theme.palette]
-  );
-
-  const doRestart = useCallback(async () => {
-    setConfirmRestart(false);
-    setRestarting(true);
-    await sendAPI({ device: 'system', cmd: 'restart', id: 0 }).catch(
-      (error: Error) => {
-        toast.error(error.message);
-      }
-    );
-  }, [sendAPI]);
-
-  const handleCloseRestartDialog = useCallback(() => {
-    setConfirmRestart(false);
-  }, []);
-
-  const renderRestartDialog = useMemo(
-    () => (
-      <Dialog
-        sx={dialogStyle}
-        open={confirmRestart}
-        onClose={handleCloseRestartDialog}
-      >
-        <DialogTitle>{LL.RESTART()}</DialogTitle>
-        <DialogContent dividers>{LL.RESTART_CONFIRM()}</DialogContent>
-        <DialogActions>
-          <Button
-            startIcon={<CancelIcon />}
-            variant="outlined"
-            onClick={handleCloseRestartDialog}
-            color="secondary"
-          >
-            {LL.CANCEL()}
-          </Button>
-          <Button
-            startIcon={<PowerSettingsNewIcon />}
-            variant="outlined"
-            onClick={doRestart}
-            color="error"
-          >
-            {LL.RESTART()}
-          </Button>
-        </DialogActions>
-      </Dialog>
-    ),
-    [confirmRestart, handleCloseRestartDialog, doRestart, LL]
-  );
-
-  // Memoize formatted values
-  const firmwareVersion = useMemo(
-    () => `v${data?.emsesp_version || ''}`,
-    [data?.emsesp_version]
-  );
-
-  const uptimeText = useMemo(
-    () => (data ? formatDurationSec(data.uptime, LL) : ''),
-    [data?.uptime, LL]
-  );
-
-  const freeMemoryText = useMemo(
-    () => (data ? `${formatNumber(data.free_heap)} KB ${LL.FREE_MEMORY()}` : ''),
-    [data?.free_heap, LL]
-  );
-
-  const networkIcon = useMemo(
-    () =>
-      data?.network_status === NetworkConnectionStatus.WIFI_STATUS_CONNECTED
-        ? WifiIcon
-        : RouterIcon,
-    [data?.network_status]
-  );
-
-  const mqttStatusText = useMemo(
-    () => (data?.mqtt_status ? LL.CONNECTED(0) : LL.INACTIVE(0)),
-    [data?.mqtt_status, LL]
-  );
-
-  const apStatusText = useMemo(
-    () => (data?.ap_status ? LL.ACTIVE() : LL.INACTIVE(0)),
-    [data?.ap_status, LL]
-  );
-
-  const handleRestartClick = useCallback(() => {
-    setConfirmRestart(true);
-  }, []);
-
-  const content = useMemo(() => {
-    if (!data || !LL) {
-      return <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />;
-    }
+  const activeHighlight = (value: boolean) =>
+    value ? theme.palette.success.main : theme.palette.info.main;
 
+  if (!data || !LL) {
     return (
-      <>
-        <List>
-          <ListMenuItem
-            icon={BuildIcon}
-            bgcolor="#72caf9"
-            label="EMS-ESP Firmware"
-            text={firmwareVersion}
-            to="version"
-          />
-
-          <ListItem>
-            <ListItemAvatar>
-              <Avatar sx={{ bgcolor: '#c5572c', color: 'white' }}>
-                <MonitorHeartIcon />
-              </Avatar>
-            </ListItemAvatar>
-            <ListItemText
-              primary={LL.STATUS_OF(LL.SYSTEM(0))}
-              secondary={`${systemStatus} (${LL.UPTIME()}: ${uptimeText})`}
-            />
-            {me.admin && (
-              <Button
-                startIcon={<PowerSettingsNewIcon />}
-                variant="outlined"
-                color="error"
-                onClick={handleRestartClick}
-              >
-                {LL.RESTART()}
-              </Button>
-            )}
-          </ListItem>
-
-          <ListMenuItem
-            disabled={!me.admin}
-            icon={MemoryIcon}
-            bgcolor="#68374d"
-            label={LL.HARDWARE()}
-            text={freeMemoryText}
-            to="/status/hardwarestatus"
-          />
-
-          <ListMenuItem
-            disabled={!me.admin}
-            icon={DirectionsBusIcon}
-            bgcolor={busStatusHighlight}
-            label={LL.DATA_TRAFFIC()}
-            text={busStatus}
-            to="/status/activity"
-          />
-
-          <ListMenuItem
-            disabled={!me.admin}
-            icon={networkIcon}
-            bgcolor={networkStatusHighlight}
-            label={LL.NETWORK(1)}
-            text={networkStatus}
-            to="/status/network"
-          />
-
-          <ListMenuItem
-            disabled={!me.admin}
-            icon={DeviceHubIcon}
-            bgcolor={activeHighlight(data.mqtt_status)}
-            label="MQTT"
-            text={mqttStatusText}
-            to="/status/mqtt"
-          />
-
-          <ListMenuItem
-            disabled={!me.admin}
-            icon={AccessTimeIcon}
-            bgcolor={ntpStatusHighlight}
-            label="NTP"
-            text={ntpStatus}
-            to="/status/ntp"
-          />
-
-          <ListMenuItem
-            disabled={!me.admin}
-            icon={SettingsInputAntennaIcon}
-            bgcolor={activeHighlight(data.ap_status)}
-            label={LL.ACCESS_POINT(0)}
-            text={apStatusText}
-            to="/status/ap"
-          />
-
-          <ListMenuItem
-            disabled={!me.admin}
-            icon={LogoDevIcon}
-            bgcolor="#40828f"
-            label={LL.LOG_OF(LL.SYSTEM(0))}
-            text={LL.VIEW_LOG()}
-            to="/status/log"
-          />
-        </List>
-
-        {renderRestartDialog}
-      </>
+      <SectionContent>
+        <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />
+      </SectionContent>
     );
-  }, [
-    data,
-    LL,
-    firmwareVersion,
-    uptimeText,
-    freeMemoryText,
-    networkIcon,
-    mqttStatusText,
-    apStatusText,
-    busStatus,
-    busStatusHighlight,
-    networkStatusHighlight,
-    networkStatus,
-    ntpStatusHighlight,
-    ntpStatus,
-    activeHighlight,
-    me.admin,
-    handleRestartClick,
-    error,
-    loadData,
-    renderRestartDialog
-  ]);
+  }
 
-  return restarting ? <SystemMonitor /> : <SectionContent>{content}</SectionContent>;
+  return (
+    <SectionContent>
+      <List>
+        <ListItem>
+          <ListItemAvatar>
+            <Avatar sx={{ bgcolor: '#c5572c', color: 'white' }}>
+              <MonitorHeartIcon />
+            </Avatar>
+          </ListItemAvatar>
+          <ListItemText
+            primary={LL.STATUS_OF(LL.SYSTEM(0))}
+            secondary={`${systemStatus} (${LL.UPTIME()}: ${formatDurationSec(data.uptime, LL)})`}
+          />
+        </ListItem>
+
+        <ListMenuItem
+          disabled={!me.admin}
+          icon={MemoryIcon}
+          bgcolor="#68374d"
+          label={LL.HARDWARE()}
+          text={`${formatNumber(data.free_heap)} KB ${LL.FREE_MEMORY()}`}
+          to="/status/hardwarestatus"
+        />
+
+        <ListMenuItem
+          disabled={!me.admin}
+          icon={DirectionsBusIcon}
+          bgcolor={busStatusHighlight}
+          label={LL.DATA_TRAFFIC()}
+          text={busStatus}
+          to="/status/activity"
+        />
+
+        <ListMenuItem
+          disabled={!me.admin}
+          icon={
+            data.network_status === NetworkConnectionStatus.WIFI_STATUS_CONNECTED
+              ? WifiIcon
+              : RouterIcon
+          }
+          bgcolor={networkStatusHighlight}
+          label={LL.NETWORK(1)}
+          text={networkStatus}
+          to="/status/network"
+        />
+
+        <ListMenuItem
+          disabled={!me.admin}
+          icon={DeviceHubIcon}
+          bgcolor={activeHighlight(data.mqtt_status)}
+          label="MQTT"
+          text={data.mqtt_status ? LL.CONNECTED(0) : LL.INACTIVE(0)}
+          to="/status/mqtt"
+        />
+
+        <ListMenuItem
+          disabled={!me.admin}
+          icon={AccessTimeIcon}
+          bgcolor={ntpStatusHighlight}
+          label="NTP"
+          text={ntpStatus}
+          to="/status/ntp"
+        />
+
+        <ListMenuItem
+          disabled={!me.admin}
+          icon={SettingsInputAntennaIcon}
+          bgcolor={activeHighlight(data.ap_status)}
+          label={LL.ACCESS_POINT(0)}
+          text={data.ap_status ? LL.ACTIVE() : LL.INACTIVE(0)}
+          to="/status/ap"
+        />
+
+        <ListMenuItem
+          disabled={!me.admin}
+          icon={LogoDevIcon}
+          bgcolor="#40828f"
+          label={LL.LOG_OF(LL.SYSTEM(0))}
+          text={LL.VIEW_LOG()}
+          to="/status/log"
+        />
+      </List>
+    </SectionContent>
+  );
 };
 
 export default SystemStatus;

interface/src/app/status/SystemLog.tsx

@@ -1,11 +1,4 @@
-import {
-  memo,
-  useCallback,
-  useEffect,
-  useLayoutEffect,
-  useRef,
-  useState
-} from 'react';
+import { memo, useEffect, useLayoutEffect, useRef, useState } from 'react';
 import { toast } from 'react-toastify';
 
 import DownloadIcon from '@mui/icons-material/GetApp';
@@ -185,8 +178,7 @@ const SystemLog = () => {
     };
   }, [data]); // Recalculate when data changes (in case layout shifts)
 
-  // Memoize message handler to avoid recreating on every render
-  const handleLogMessage = useCallback((message: { data: string }) => {
+  const handleLogMessage = (message: { data: string }) => {
     const rawData = message.data;
     const logentry = JSON.parse(rawData) as LogEntry;
     setLogEntries((log) => {
@@ -200,7 +192,7 @@ const SystemLog = () => {
       const newLog = [...log, logentry];
       return newLog;
     });
-  }, []);
+  };
 
   useSSE(fetchLogES, {
     immediate: true,
@@ -211,7 +203,7 @@ const SystemLog = () => {
       toast.error('No connection to Log service');
     });
 
-  const onDownload = useCallback(() => {
+  const onDownload = () => {
     const result = logEntries
       .map((i) => `${i.t} ${levelLabel(i.l)} ${i.i}: [${i.n}] ${i.m}`)
       .join('\n');
@@ -225,11 +217,11 @@ const SystemLog = () => {
     document.body.appendChild(a);
     a.click();
     document.body.removeChild(a);
-  }, [logEntries]);
+  };
 
-  const saveSettings = useCallback(async () => {
+  const saveSettings = async () => {
     await saveData();
-  }, [saveData]);
+  };
 
   // handle scrolling - optimized to only scroll when needed
   const ref = useRef<HTMLDivElement>(null);
@@ -246,7 +238,7 @@ const SystemLog = () => {
     }
   }, [logEntries.length, autoscroll]);
 
-  const sendReadCommand = useCallback(() => {
+  const sendReadCommand = () => {
     if (readValue === '') {
       setReadOpen(!readOpen);
       return;
@@ -257,7 +249,7 @@ const SystemLog = () => {
       setReadOpen(false);
       setReadValue('');
     }
-  }, [readValue, readOpen, send]);
+  };
 
   const content = () => {
     if (!data) {

interface/src/app/status/SystemMonitor.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useMemo, useRef, useState } from 'react';
+import { useRef, useState } from 'react';
 
 import CancelIcon from '@mui/icons-material/Cancel';
 import { Box, Button, Typography } from '@mui/material';
@@ -57,39 +57,31 @@ const SystemMonitor = () => {
     void send();
   }, 1000); // check every 1 second
 
-  const { statusMessage, isUploading, progressValue } = useMemo(() => {
-    const status = data?.status;
+  const status = data?.status;
 
-    const message =
-      status && status >= SystemStatusCodes.SYSTEM_STATUS_UPLOADING
-        ? LL.WAIT_FIRMWARE()
-        : status === SystemStatusCodes.SYSTEM_STATUS_PENDING_RESTART
-          ? LL.APPLICATION_RESTARTING()
-          : status === SystemStatusCodes.SYSTEM_STATUS_NORMAL
-            ? LL.RESTARTING_PRE()
-            : status === SystemStatusCodes.SYSTEM_STATUS_ERROR_UPLOAD
-              ? 'Upload Failed'
-              : LL.RESTARTING_POST();
+  const statusMessage =
+    status && status >= SystemStatusCodes.SYSTEM_STATUS_UPLOADING
+      ? LL.WAIT_FIRMWARE()
+      : status === SystemStatusCodes.SYSTEM_STATUS_PENDING_RESTART
+        ? LL.APPLICATION_RESTARTING()
+        : status === SystemStatusCodes.SYSTEM_STATUS_NORMAL
+          ? LL.RESTARTING_PRE()
+          : status === SystemStatusCodes.SYSTEM_STATUS_ERROR_UPLOAD
+            ? 'Upload Failed'
+            : LL.RESTARTING_POST();
 
-    const uploading =
-      status !== undefined && status >= SystemStatusCodes.SYSTEM_STATUS_UPLOADING;
-    const progress =
-      uploading && status
-        ? Math.round(status - SystemStatusCodes.SYSTEM_STATUS_UPLOADING)
-        : 0;
+  const isUploading =
+    status !== undefined && status >= SystemStatusCodes.SYSTEM_STATUS_UPLOADING;
+  const progressValue =
+    isUploading && status
+      ? Math.round(status - SystemStatusCodes.SYSTEM_STATUS_UPLOADING)
+      : 0;
 
-    return {
-      statusMessage: message,
-      isUploading: uploading,
-      progressValue: progress
-    };
-  }, [data?.status, LL]);
-
-  const onCancel = useCallback(async () => {
+  const onCancel = async () => {
     setErrorMessage(undefined);
     await setSystemStatus(String(SystemStatusCodes.SYSTEM_STATUS_NORMAL));
     document.location.href = '/';
-  }, [setSystemStatus]);
+  };
 
   return (
     <Box

interface/src/app/status/Version.tsx

@@ -1,922 +0,0 @@
-import {
-  memo,
-  useCallback,
-  useContext,
-  useEffect,
-  useMemo,
-  useRef,
-  useState
-} from 'react';
-import { Link } from 'react-router';
-import { toast } from 'react-toastify';
-
-import CancelIcon from '@mui/icons-material/Cancel';
-import CloseIcon from '@mui/icons-material/Close';
-import CheckIcon from '@mui/icons-material/Done';
-import DownloadIcon from '@mui/icons-material/GetApp';
-import InfoOutlinedIcon from '@mui/icons-material/InfoOutlined';
-import WarningIcon from '@mui/icons-material/Warning';
-import {
-  Box,
-  Button,
-  Dialog,
-  DialogActions,
-  DialogContent,
-  DialogTitle,
-  Grid,
-  IconButton,
-  Table,
-  TableBody,
-  TableCell,
-  TableRow,
-  Typography
-} from '@mui/material';
-
-import * as SystemApi from 'api/system';
-import { API, callAction } from 'api/app';
-import { getDevVersion, getStableVersion } from 'api/system';
-
-import { dialogStyle } from 'CustomTheme';
-import { useRequest } from 'alova/client';
-import type { APIcall } from 'app/main/types';
-import SystemMonitor from 'app/status/SystemMonitor';
-import {
-  FormLoader,
-  SectionContent,
-  SingleUpload,
-  useLayoutTitle
-} from 'components';
-import { AuthenticatedContext } from 'contexts/authentication';
-import { useI18nContext } from 'i18n/i18n-react';
-import type { TranslationFunctions } from 'i18n/i18n-types';
-import { prettyDateTime } from 'utils/time';
-
-// Constants moved outside component to avoid recreation
-const STABLE_URL = 'https://github.com/emsesp/EMS-ESP32/releases/download/';
-const STABLE_RELNOTES_URL =
-  'https://github.com/emsesp/EMS-ESP32/blob/main/CHANGELOG.md';
-const DEV_URL = 'https://github.com/emsesp/EMS-ESP32/releases/download/latest/';
-const DEV_RELNOTES_URL =
-  'https://github.com/emsesp/EMS-ESP32/blob/dev/CHANGELOG_LATEST.md';
-
-// Types for better type safety
-interface PartitionData {
-  partition: string;
-  version: string;
-  install_date?: string;
-  size: number;
-}
-
-interface VersionData {
-  emsesp_version: string;
-  arduino_version: string;
-  esp_platform: string;
-  flash_chip_size: number;
-  psram: boolean;
-  build_flags?: string;
-  partition: string;
-  partitions: PartitionData[];
-  developer_mode: boolean;
-}
-
-interface UpgradeCheckData {
-  emsesp_version: string;
-  dev_upgradeable: boolean;
-  stable_upgradeable: boolean;
-}
-
-interface VersionInfo {
-  name: string;
-  published_at?: string;
-}
-
-// Memoized components for better performance
-const VersionInfoDialog = memo(
-  ({
-    showVersionInfo,
-    latestVersion,
-    latestDevVersion,
-    partitionVersion,
-    partition,
-    currentPartition,
-    size,
-    locale,
-    LL,
-    onClose
-  }: {
-    showVersionInfo: number;
-    latestVersion?: VersionInfo;
-    latestDevVersion?: VersionInfo;
-    partitionVersion?: VersionInfo | undefined;
-    partition: string;
-    currentPartition: string;
-    size: number;
-    locale: string;
-    LL: TranslationFunctions;
-    onClose: () => void;
-  }) => {
-    if (showVersionInfo === 0) return null;
-
-    const isStable = showVersionInfo === 1;
-    const isDev = showVersionInfo === 2;
-    const isPartition = showVersionInfo === 3;
-
-    const version = isStable
-      ? latestVersion
-      : isDev
-        ? latestDevVersion
-        : partitionVersion;
-    const relNotesUrl = isStable
-      ? STABLE_RELNOTES_URL
-      : isDev
-        ? DEV_RELNOTES_URL
-        : '';
-
-    return (
-      <Dialog sx={dialogStyle} open={showVersionInfo !== 0} onClose={onClose}>
-        <DialogTitle>{LL.FIRMWARE_VERSION_INFO()}</DialogTitle>
-        <DialogContent dividers>
-          <Table size="small" sx={{ borderCollapse: 'collapse', minWidth: 0 }}>
-            <TableBody>
-              <TableRow sx={{ height: 24, borderBottom: 'none' }}>
-                <TableCell
-                  component="th"
-                  scope="row"
-                  sx={{
-                    color: 'lightblue',
-                    borderBottom: 'none',
-                    pr: 1,
-                    py: 0.5,
-                    fontSize: 13
-                  }}
-                >
-                  {LL.VERSION()}
-                </TableCell>
-                <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
-                  {isPartition
-                    ? typeof version === 'string'
-                      ? version
-                      : version?.name
-                    : version?.name}
-                </TableCell>
-              </TableRow>
-              <TableRow sx={{ height: 24, borderBottom: 'none' }}>
-                <TableCell
-                  component="th"
-                  scope="row"
-                  sx={{
-                    color: 'lightblue',
-                    borderBottom: 'none',
-                    pr: 1,
-                    py: 0.5,
-                    fontSize: 13,
-                    width: 140
-                  }}
-                >
-                  {isPartition ? LL.TYPE(0) : LL.RELEASE_TYPE()}
-                </TableCell>
-                <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
-                  {partition === currentPartition && LL.ACTIVE() + ' '}
-                  {isStable
-                    ? LL.STABLE()
-                    : isDev
-                      ? LL.DEVELOPMENT()
-                      : 'Partition ' + LL.VERSION()}
-                </TableCell>
-              </TableRow>
-              {isPartition && (
-                <TableRow sx={{ height: 24, borderBottom: 'none' }}>
-                  <TableCell
-                    component="th"
-                    scope="row"
-                    sx={{
-                      color: 'lightblue',
-                      borderBottom: 'none',
-                      pr: 1,
-                      py: 0.5,
-                      fontSize: 13
-                    }}
-                  >
-                    Partition
-                  </TableCell>
-                  <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
-                    {partition}
-                  </TableCell>
-                </TableRow>
-              )}
-              {isPartition && (
-                <TableRow sx={{ height: 24, borderBottom: 'none' }}>
-                  <TableCell
-                    component="th"
-                    scope="row"
-                    sx={{
-                      color: 'lightblue',
-                      borderBottom: 'none',
-                      pr: 1,
-                      py: 0.5,
-                      fontSize: 13
-                    }}
-                  >
-                    Size
-                  </TableCell>
-                  <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
-                    {size} KB
-                  </TableCell>
-                </TableRow>
-              )}
-              {version?.published_at && (
-                <TableRow sx={{ height: 24, borderBottom: 'none' }}>
-                  <TableCell
-                    component="th"
-                    scope="row"
-                    sx={{
-                      color: 'lightblue',
-                      borderBottom: 'none',
-                      pr: 1,
-                      py: 0.5,
-                      fontSize: 13
-                    }}
-                  >
-                    {isPartition ? 'Install Date' : 'Build Date'}
-                  </TableCell>
-                  <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
-                    {prettyDateTime(locale, new Date(version.published_at))}
-                  </TableCell>
-                </TableRow>
-              )}
-            </TableBody>
-          </Table>
-        </DialogContent>
-        <DialogActions>
-          {!isPartition && (
-            <Button
-              variant="outlined"
-              component="a"
-              href={relNotesUrl}
-              target="_blank"
-              color="primary"
-            >
-              Changelog
-            </Button>
-          )}
-          <Button variant="outlined" onClick={onClose} color="secondary">
-            {LL.CLOSE()}
-          </Button>
-        </DialogActions>
-      </Dialog>
-    );
-  }
-);
-
-const InstallDialog = memo(
-  ({
-    openInstallDialog,
-    fetchDevVersion,
-    latestVersion,
-    latestDevVersion,
-    upgradeImportantMessageType,
-    downloadOnly,
-    platform,
-    LL,
-    onClose,
-    onInstall
-  }: {
-    openInstallDialog: boolean;
-    fetchDevVersion: boolean;
-    latestVersion?: VersionInfo;
-    latestDevVersion?: VersionInfo;
-    upgradeImportantMessageType: number;
-    downloadOnly: boolean;
-    platform: string;
-    LL: TranslationFunctions;
-    onClose: () => void;
-    onInstall: (url: string) => void;
-  }) => {
-    const binURL = useMemo(() => {
-      if (!latestVersion || !latestDevVersion) return '';
-
-      const version = fetchDevVersion ? latestDevVersion : latestVersion;
-      const filename = `EMS-ESP-${version.name.replaceAll('.', '_')}-${platform}.bin`;
-
-      return fetchDevVersion
-        ? `${DEV_URL}${filename}`
-        : `${STABLE_URL}v${version.name}/${filename}`;
-    }, [fetchDevVersion, latestVersion, latestDevVersion, platform]);
-
-    return (
-      <Dialog sx={dialogStyle} open={openInstallDialog} onClose={onClose}>
-        <DialogTitle>
-          {`${LL.INSTALL()} ${fetchDevVersion ? LL.DEVELOPMENT() : LL.STABLE()} Firmware`}
-        </DialogTitle>
-        <DialogContent dividers>
-          <Typography sx={{ mb: 2 }}>
-            {LL.INSTALL_VERSION(
-              downloadOnly ? LL.DOWNLOAD(1) : LL.INSTALL(),
-              fetchDevVersion ? latestDevVersion?.name : latestVersion?.name
-            )}
-          </Typography>
-
-          {upgradeImportantMessageType === 1 && LL.UPGRADE_IMPORTANT_MESSAGES_1()}
-          {upgradeImportantMessageType === 2 && LL.UPGRADE_IMPORTANT_MESSAGES_2()}
-          <Typography sx={{ mt: 2 }}>
-            <Link
-              target="_blank"
-              to="https://docs.emsesp.org/FAQ#upgrading-the-firmware"
-              style={{ color: 'lightblue' }}
-            >
-              {LL.ONLINE_HELP()}
-            </Link>
-          </Typography>
-        </DialogContent>
-        <DialogActions>
-          <Button
-            startIcon={<CancelIcon />}
-            variant="outlined"
-            onClick={onClose}
-            color="secondary"
-          >
-            {LL.CANCEL()}
-          </Button>
-          <Button
-            startIcon={<DownloadIcon />}
-            variant="outlined"
-            onClick={onClose}
-            color="primary"
-          >
-            <Link
-              to={binURL}
-              target="_blank"
-              rel="noreferrer"
-              style={{ color: 'lightblue', textDecoration: 'none' }}
-            >
-              {LL.DOWNLOAD(0)}
-            </Link>
-          </Button>
-          {!downloadOnly && (
-            <Button
-              startIcon={<WarningIcon color="warning" />}
-              variant="outlined"
-              onClick={() => onInstall(binURL)}
-              color="primary"
-            >
-              {LL.INSTALL()}
-            </Button>
-          )}
-        </DialogActions>
-      </Dialog>
-    );
-  }
-);
-
-const InstallPartitionDialog = memo(
-  ({
-    openInstallPartitionDialog,
-    version,
-    partition,
-    LL,
-    onClose,
-    onInstall
-  }: {
-    openInstallPartitionDialog: boolean;
-    version: string;
-    partition: string;
-    LL: TranslationFunctions;
-    onClose: () => void;
-    onInstall: (partition: string) => void;
-  }) => {
-    return (
-      <Dialog sx={dialogStyle} open={openInstallPartitionDialog} onClose={onClose}>
-        <DialogTitle>
-          {LL.INSTALL()} {LL.STORED_VERSIONS()}
-        </DialogTitle>
-        <DialogContent dividers>
-          <Typography sx={{ mb: 2 }}>
-            {LL.INSTALL_VERSION(LL.INSTALL(), version)}
-          </Typography>
-        </DialogContent>
-        <DialogActions>
-          <Button
-            startIcon={<CancelIcon />}
-            variant="outlined"
-            onClick={onClose}
-            color="secondary"
-          >
-            {LL.CANCEL()}
-          </Button>
-
-          <Button
-            startIcon={<WarningIcon color="warning" />}
-            variant="outlined"
-            onClick={() => onInstall(partition)}
-            color="primary"
-          >
-            {LL.INSTALL()}
-          </Button>
-        </DialogActions>
-      </Dialog>
-    );
-  }
-);
-
-// Helper function moved outside component
-const getPlatform = (data: VersionData): string => {
-  return `${data.esp_platform}-${data.flash_chip_size >= 16384 ? '16MB' : '4MB'}${data.psram ? '+' : ''}`;
-};
-
-const Version = () => {
-  const { LL, locale } = useI18nContext();
-  const { me } = useContext(AuthenticatedContext);
-
-  // State management
-  const [restarting, setRestarting] = useState<boolean>(false);
-  const [openInstallDialog, setOpenInstallDialog] = useState<boolean>(false);
-
-  const [partitionVersion, setPartitionVersion] = useState<VersionInfo | undefined>(
-    undefined
-  );
-  const [partition, setPartition] = useState<string>('');
-  const [openInstallPartitionDialog, setOpenInstallPartitionDialog] =
-    useState<boolean>(false);
-
-  const [usingDevVersion, setUsingDevVersion] = useState<boolean>(false);
-  const [fetchDevVersion, setFetchDevVersion] = useState<boolean>(false);
-  const [devUpgradeAvailable, setDevUpgradeAvailable] = useState<boolean>(false);
-  const [stableUpgradeAvailable, setStableUpgradeAvailable] =
-    useState<boolean>(false);
-  const [internetLive, setInternetLive] = useState<boolean>(false);
-  const [downloadOnly, setDownloadOnly] = useState<boolean>(false);
-  const [showVersionInfo, setShowVersionInfo] = useState<number>(0); // 1 = stable, 2 = dev, 3 = partition
-  const [firmwareSize, setFirmwareSize] = useState<number>(0);
-
-  const { send: sendCheckUpgrade } = useRequest(
-    (versions: string) => callAction({ action: 'checkUpgrade', param: versions }),
-    { immediate: false }
-  ).onSuccess((event) => {
-    const data = event.data as UpgradeCheckData;
-    setDevUpgradeAvailable(data.dev_upgradeable);
-    setStableUpgradeAvailable(data.stable_upgradeable);
-  });
-
-  const { send: sendSetPartition } = useRequest(
-    (partition: string) => callAction({ action: 'setPartition', param: partition }),
-    { immediate: false }
-  ).onError((error) => {
-    toast.error(String(error.error?.message || 'An error occurred'));
-  });
-
-  const {
-    data,
-    send: loadData,
-    error
-  } = useRequest(SystemApi.readSystemStatus).onSuccess((event) => {
-    const systemData = event.data as VersionData;
-    if (systemData.arduino_version.startsWith('Tasmota')) {
-      setDownloadOnly(true);
-    }
-    setUsingDevVersion(systemData.emsesp_version.includes('dev'));
-  });
-
-  const { send: sendUploadURL } = useRequest(
-    (url: string) => callAction({ action: 'uploadURL', param: url }),
-    { immediate: false }
-  );
-
-  const { data: latestVersion } = useRequest(getStableVersion);
-  const { data: latestDevVersion } = useRequest(getDevVersion);
-
-  const { send: sendAPI } = useRequest((data: APIcall) => API(data), {
-    immediate: false
-  });
-
-  const [upgradeImportantMessageType, setUpgradeImportantMessageType] =
-    useState<number>(0);
-
-  const { send: checkUpgradeImportantMessages } = useRequest(
-    (version: string) =>
-      callAction({ action: 'upgradeImportantMessages', param: version }),
-    {
-      immediate: false
-    }
-  )
-    .onSuccess((event) => {
-      const upgradeImportantMessageType_n = (
-        event.data as { upgradeImportantMessageType: number }
-      ).upgradeImportantMessageType;
-      setUpgradeImportantMessageType(upgradeImportantMessageType_n);
-    })
-    .onError((error) => {
-      toast.error(String(error.error?.message || 'An error occurred'));
-    });
-
-  // Memoized values
-  const platform = useMemo(() => (data ? getPlatform(data) : ''), [data]);
-
-  // Memoize filtered partitions to avoid recomputing on every render
-  const otherPartitions = useMemo(
-    () => data?.partitions.filter((p) => p.partition !== data.partition) ?? [],
-    [data]
-  );
-
-  const setPartitionVersionInfo = useCallback(
-    (partition: string) => {
-      setShowVersionInfo(3);
-
-      // search for the partition in the data.partitions array
-      const partitionData = data?.partitions.find((p) => p.partition === partition);
-      if (partitionData) {
-        setPartitionVersion({
-          name: partitionData.version,
-          published_at: partitionData.install_date ?? ''
-        });
-        setPartition(partitionData.partition);
-        setFirmwareSize(partitionData.size);
-      }
-    },
-    [data]
-  );
-
-  const doRestart = useCallback(async () => {
-    await sendAPI({ device: 'system', cmd: 'restart', id: 0 }).catch(
-      (error: Error) => {
-        toast.error(error.message);
-      }
-    );
-    setRestarting(true);
-  }, [sendAPI]);
-
-  const installFirmwareURL = useCallback(
-    async (url: string) => {
-      await sendUploadURL(url).catch((error: Error) => {
-        toast.error(error.message);
-      });
-      await doRestart();
-    },
-    [sendUploadURL, doRestart]
-  );
-
-  const installPartitionFirmware = useCallback(
-    async (partition: string) => {
-      await sendSetPartition(partition).catch((error: Error) => {
-        toast.error(error.message);
-      });
-      setRestarting(true);
-    },
-    [sendSetPartition]
-  );
-
-  const showPartitionDialog = useCallback(
-    (version: string, partition: string, install_date: string) => {
-      setOpenInstallPartitionDialog(true);
-      setPartitionVersion({ name: version, published_at: install_date });
-      setPartition(partition);
-    },
-    []
-  );
-
-  const showFirmwareDialog = useCallback(
-    (useDevVersion: boolean) => {
-      setFetchDevVersion(useDevVersion);
-      void checkUpgradeImportantMessages(
-        useDevVersion ? latestDevVersion?.name : latestVersion?.name
-      );
-      setOpenInstallDialog(true);
-    },
-    [latestDevVersion, latestVersion, fetchDevVersion]
-  );
-
-  const closeInstallDialog = useCallback(() => {
-    setOpenInstallDialog(false);
-  }, []);
-
-  const closeInstallPartitionDialog = useCallback(() => {
-    setOpenInstallPartitionDialog(false);
-  }, []);
-
-  const handleVersionInfoClose = useCallback(() => {
-    setShowVersionInfo(0);
-    setPartitionVersion(undefined);
-    setPartition('');
-  }, []);
-
-  // check upgrades - only once when both versions are available
-  const upgradeCheckedRef = useRef(false);
-  useEffect(() => {
-    if (latestVersion && latestDevVersion && !upgradeCheckedRef.current) {
-      upgradeCheckedRef.current = true;
-      const versions = `${latestDevVersion.name},${latestVersion.name}`;
-      sendCheckUpgrade(versions)
-        .catch((error: Error) => {
-          toast.error(`Failed to check for upgrades: ${error.message}`);
-        })
-        .finally(() => {
-          setInternetLive(true);
-        });
-    }
-  }, [latestVersion, latestDevVersion, sendCheckUpgrade]);
-
-  useLayoutTitle('EMS-ESP Firmware');
-
-  // Memoized button rendering logic
-  const showButtons = useCallback(
-    (showingDev: boolean) => {
-      const choice = showingDev
-        ? !usingDevVersion
-          ? LL.SWITCH_RELEASE_TYPE(LL.DEVELOPMENT())
-          : devUpgradeAvailable
-            ? LL.UPDATE_AVAILABLE()
-            : undefined
-        : usingDevVersion
-          ? LL.SWITCH_RELEASE_TYPE(LL.STABLE())
-          : stableUpgradeAvailable
-            ? LL.UPDATE_AVAILABLE()
-            : undefined;
-
-      if (!choice) {
-        return (
-          <>
-            <CheckIcon
-              color="success"
-              sx={{ verticalAlign: 'middle', ml: 0.5, mr: 0.5 }}
-            />
-            <span style={{ color: '#66bb6a', fontSize: '0.8em' }}>
-              {LL.LATEST_VERSION(usingDevVersion ? LL.DEVELOPMENT() : LL.STABLE())}
-            </span>
-            <Button
-              sx={{ ml: 1 }}
-              variant="outlined"
-              size="small"
-              onClick={() => showFirmwareDialog(showingDev)}
-            >
-              {LL.REINSTALL()}
-            </Button>
-          </>
-        );
-      }
-
-      if (!me.admin) return null;
-
-      return (
-        <Button
-          sx={{ ml: 1 }}
-          variant="outlined"
-          color={choice === LL.UPDATE_AVAILABLE() ? 'success' : 'warning'}
-          size="small"
-          onClick={() => showFirmwareDialog(showingDev)}
-        >
-          {choice}
-        </Button>
-      );
-    },
-    [
-      usingDevVersion,
-      devUpgradeAvailable,
-      stableUpgradeAvailable,
-      me.admin,
-      LL,
-      showFirmwareDialog
-    ]
-  );
-
-  const content = useMemo(() => {
-    if (!data) {
-      return <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />;
-    }
-
-    return (
-      <>
-        <Box sx={{ p: 2, border: '1px solid #565656', borderRadius: 2 }}>
-          <Typography sx={{ mb: 1 }} variant="h6" color="primary">
-            {LL.THIS_VERSION()}
-          </Typography>
-
-          <Grid
-            container
-            direction="row"
-            sx={{
-              justifyContent: 'flex-start',
-              alignItems: 'baseline'
-            }}
-          >
-            <Grid size={{ xs: 4, md: 2 }}>
-              <Typography color="secondary">{LL.VERSION()}</Typography>
-            </Grid>
-            <Grid size={{ xs: 8, md: 10 }}>
-              <Typography>
-                {data.emsesp_version}
-                {data.build_flags && (
-                  <Typography variant="caption">
-                    &nbsp; &#40;{data.build_flags}&#41;
-                  </Typography>
-                )}
-                <IconButton
-                  onClick={() => setPartitionVersionInfo(data.partition)}
-                  aria-label={LL.FIRMWARE_VERSION_INFO()}
-                >
-                  <InfoOutlinedIcon color="primary" sx={{ fontSize: 18 }} />
-                </IconButton>
-              </Typography>
-            </Grid>
-
-            <Grid size={{ xs: 4, md: 2 }}>
-              <Typography color="secondary">{LL.PLATFORM()}</Typography>
-            </Grid>
-            <Grid size={{ xs: 8, md: 10 }}>
-              <Typography>
-                {platform}
-                <Typography variant="caption">
-                  &nbsp; &#40;
-                  {data.psram ? (
-                    <CheckIcon
-                      color="success"
-                      sx={{
-                        fontSize: '1.5em',
-                        verticalAlign: 'middle'
-                      }}
-                    />
-                  ) : (
-                    <CloseIcon
-                      color="error"
-                      sx={{
-                        fontSize: '1.5em',
-                        verticalAlign: 'middle'
-                      }}
-                    />
-                  )}
-                  PSRAM&#41;
-                </Typography>
-              </Typography>
-            </Grid>
-          </Grid>
-
-          {internetLive ? (
-            <>
-              <Typography sx={{ mt: 4, mb: 1 }} variant="h6" color="primary">
-                {LL.AVAILABLE_VERSION()}
-              </Typography>
-
-              <Grid
-                container
-                direction="row"
-                rowSpacing={1}
-                sx={{
-                  justifyContent: 'flex-start',
-                  alignItems: 'baseline'
-                }}
-              >
-                {otherPartitions.length > 0 && data.developer_mode && (
-                  <>
-                    <Grid size={{ xs: 4, md: 2 }}>
-                      <Typography color="secondary">
-                        {LL.STORED_VERSIONS()}
-                      </Typography>
-                    </Grid>
-                    <Grid size={{ xs: 8, md: 10 }}>
-                      {otherPartitions.map((partition) => (
-                        <Typography key={partition.partition} sx={{ mb: 1 }}>
-                          {partition.version}
-                          <IconButton
-                            onClick={() =>
-                              setPartitionVersionInfo(partition.partition)
-                            }
-                            aria-label={LL.FIRMWARE_VERSION_INFO()}
-                          >
-                            <InfoOutlinedIcon
-                              color="primary"
-                              sx={{ fontSize: 18 }}
-                            />
-                          </IconButton>
-                          <Button
-                            sx={{ ml: 0 }}
-                            variant="outlined"
-                            size="small"
-                            onClick={() =>
-                              showPartitionDialog(
-                                partition.version,
-                                partition.partition,
-                                partition.install_date ?? ''
-                              )
-                            }
-                          >
-                            {LL.INSTALL()}
-                          </Button>
-                        </Typography>
-                      ))}
-                    </Grid>
-                  </>
-                )}
-                <Grid size={{ xs: 4, md: 2 }}>
-                  <Typography color="secondary">{LL.STABLE()}</Typography>
-                </Grid>
-                <Grid size={{ xs: 8, md: 10 }}>
-                  <Typography>
-                    {latestVersion?.name}
-                    <IconButton
-                      onClick={() => setShowVersionInfo(1)}
-                      aria-label={LL.FIRMWARE_VERSION_INFO()}
-                    >
-                      <InfoOutlinedIcon color="primary" sx={{ fontSize: 18 }} />
-                    </IconButton>
-                    {showButtons(false)}
-                  </Typography>
-                </Grid>
-
-                <Grid size={{ xs: 4, md: 2 }}>
-                  <Typography color="secondary">{LL.DEVELOPMENT()}</Typography>
-                </Grid>
-                <Grid size={{ xs: 8, md: 10 }}>
-                  <Typography>
-                    {latestDevVersion?.name}
-                    <IconButton
-                      onClick={() => setShowVersionInfo(2)}
-                      aria-label={LL.FIRMWARE_VERSION_INFO()}
-                    >
-                      <InfoOutlinedIcon color="primary" sx={{ fontSize: 18 }} />
-                    </IconButton>
-                    {showButtons(true)}
-                  </Typography>
-                </Grid>
-              </Grid>
-            </>
-          ) : (
-            <Typography sx={{ mt: 2 }} color="warning">
-              <WarningIcon color="warning" sx={{ verticalAlign: 'middle', mr: 2 }} />
-              {LL.INTERNET_CONNECTION_REQUIRED()}
-            </Typography>
-          )}
-          {me.admin && (
-            <>
-              <VersionInfoDialog
-                showVersionInfo={showVersionInfo}
-                latestVersion={latestVersion}
-                latestDevVersion={latestDevVersion}
-                partitionVersion={partitionVersion}
-                locale={locale}
-                partition={partition}
-                currentPartition={data?.partition ?? ''}
-                size={firmwareSize}
-                LL={LL}
-                onClose={handleVersionInfoClose}
-              />
-              <InstallDialog
-                openInstallDialog={openInstallDialog}
-                fetchDevVersion={fetchDevVersion}
-                latestVersion={latestVersion}
-                latestDevVersion={latestDevVersion}
-                upgradeImportantMessageType={upgradeImportantMessageType}
-                downloadOnly={downloadOnly}
-                platform={platform}
-                LL={LL}
-                onClose={closeInstallDialog}
-                onInstall={installFirmwareURL}
-              />
-              <InstallPartitionDialog
-                openInstallPartitionDialog={openInstallPartitionDialog}
-                version={partitionVersion?.name || ''}
-                partition={partition}
-                LL={LL}
-                onClose={closeInstallPartitionDialog}
-                onInstall={installPartitionFirmware}
-              />
-              <Typography sx={{ pt: 2, pb: 2 }} variant="h6" color="primary">
-                {LL.UPLOAD()}
-              </Typography>
-              <SingleUpload doRestart={doRestart} />
-            </>
-          )}
-        </Box>
-      </>
-    );
-  }, [
-    data,
-    error,
-    loadData,
-    LL,
-    platform,
-    internetLive,
-    latestVersion,
-    latestDevVersion,
-    showVersionInfo,
-    locale,
-    openInstallDialog,
-    fetchDevVersion,
-    downloadOnly,
-    me.admin,
-    showButtons,
-    handleVersionInfoClose,
-    closeInstallDialog,
-    installFirmwareURL,
-    doRestart,
-    otherPartitions,
-    setPartitionVersionInfo,
-    showPartitionDialog,
-    partitionVersion,
-    partition,
-    firmwareSize,
-    closeInstallPartitionDialog,
-    installPartitionFirmware
-  ]);
-
-  return restarting ? <SystemMonitor /> : <SectionContent>{content}</SectionContent>;
-};
-
-export default memo(Version);

interface/src/components/MessageBox.tsx

@@ -1,4 +1,4 @@
-import { type FC, type PropsWithChildren, memo, useMemo } from 'react';
+import { type FC, type PropsWithChildren, memo } from 'react';
 
 import CheckCircleOutlineOutlinedIcon from '@mui/icons-material/CheckCircleOutlineOutlined';
 import ErrorIcon from '@mui/icons-material/Error';
@@ -38,18 +38,17 @@ const MessageBox: FC<PropsWithChildren<MessageBoxProps>> = ({
 }) => {
   const theme = useTheme();
 
-  const { Icon, backgroundColor } = useMemo(() => {
-    const Icon = LEVEL_ICONS[level];
-    const palettePath = LEVEL_PALETTE_PATHS[level];
-    const [key, shade] = palettePath.split('.') as [
-      keyof typeof theme.palette,
-      string
-    ];
-    const paletteKey = theme.palette[key] as unknown as Record<string, string>;
-    const backgroundColor = paletteKey[shade];
-
-    return { Icon, backgroundColor };
-  }, [level, theme]);
+  const Icon = LEVEL_ICONS[level];
+  const palettePath = LEVEL_PALETTE_PATHS[level];
+  const [paletteKeyName, shade] = palettePath.split('.') as [
+    keyof typeof theme.palette,
+    string
+  ];
+  const paletteKey = theme.palette[paletteKeyName] as unknown as Record<
+    string,
+    string
+  >;
+  const backgroundColor = paletteKey[shade];
 
   return (
     <Box

interface/src/components/inputs/LanguageSelector.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useContext, useMemo } from 'react';
+import { memo, useContext } from 'react';
 import type { ChangeEventHandler } from 'react';
 import type { CSSProperties } from 'react';
 
@@ -44,27 +44,14 @@ const LANGUAGE_OPTIONS: LanguageOption[] = [
 const LanguageSelector = () => {
   const { setLocale, locale, LL } = useContext(I18nContext);
 
-  const onLocaleSelected: ChangeEventHandler<HTMLInputElement> = useCallback(
-    async ({ target }) => {
-      const loc = target.value as Locales;
-      localStorage.setItem('lang', loc);
-      await loadLocaleAsync(loc);
-      setLocale(loc);
-    },
-    [setLocale]
-  );
-
-  // Memoize menu items to prevent recreation on every render
-  const menuItems = useMemo(
-    () =>
-      LANGUAGE_OPTIONS.map(({ key, flag, label }) => (
-        <MenuItem key={key} value={key}>
-          <img src={flag} style={flagStyle} alt={label} />
-          &nbsp;{label}
-        </MenuItem>
-      )),
-    []
-  );
+  const onLocaleSelected: ChangeEventHandler<HTMLInputElement> = async ({
+    target
+  }) => {
+    const loc = target.value as Locales;
+    localStorage.setItem('lang', loc);
+    await loadLocaleAsync(loc);
+    setLocale(loc);
+  };
 
   return (
     <TextField
@@ -76,7 +63,12 @@ const LanguageSelector = () => {
       size="small"
       select
     >
-      {menuItems}
+      {LANGUAGE_OPTIONS.map(({ key, flag, label }) => (
+        <MenuItem key={key} value={key}>
+          <img src={flag} style={flagStyle} alt={label} />
+          &nbsp;{label}
+        </MenuItem>
+      ))}
     </TextField>
   );
 };

interface/src/components/inputs/ValidatedPasswordField.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useState } from 'react';
+import { memo, useState } from 'react';
 import type { FC } from 'react';
 
 import VisibilityIcon from '@mui/icons-material/Visibility';
@@ -13,9 +13,9 @@ type ValidatedPasswordFieldProps = Omit<ValidatedTextFieldProps, 'type'>;
 const ValidatedPasswordField: FC<ValidatedPasswordFieldProps> = ({ ...props }) => {
   const [showPassword, setShowPassword] = useState<boolean>(false);
 
-  const togglePasswordVisibility = useCallback(() => {
+  const togglePasswordVisibility = () => {
     setShowPassword((prev) => !prev);
-  }, []);
+  };
 
   return (
     <ValidatedTextField

interface/src/components/layout/Layout.tsx

@@ -18,7 +18,6 @@ const LayoutComponent: FC<RequiredChildrenProps> = ({ children }) => {
   const [title, setTitle] = useState(PROJECT_NAME);
   const { pathname } = useLocation();
 
-  // Memoize drawer toggle handler to prevent unnecessary re-renders
   const handleDrawerToggle = useCallback(() => {
     setMobileOpen((prev) => !prev);
   }, []);
@@ -28,7 +27,6 @@ const LayoutComponent: FC<RequiredChildrenProps> = ({ children }) => {
     setMobileOpen(false);
   }, [pathname]);
 
-  // Memoize context value to prevent unnecessary re-renders
   const contextValue = useMemo(() => ({ title, setTitle }), [title]);
 
   return (

interface/src/components/layout/LayoutAppBar.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useMemo } from 'react';
+import { memo } from 'react';
 import { Link, useLocation, useNavigate } from 'react-router';
 
 import ArrowBackIcon from '@mui/icons-material/ArrowBack';
@@ -39,14 +39,11 @@ const LayoutAppBarComponent = ({ title, onToggleDrawer }: LayoutAppBarProps) =>
   const navigate = useNavigate();
   const location = useLocation();
 
-  const pathnames = useMemo(
-    () => location.pathname.split('/').filter((x) => x),
-    [location.pathname]
-  );
+  const pathnames = location.pathname.split('/').filter((x) => x);
 
-  const handleBackClick = useCallback(() => {
+  const handleBackClick = () => {
     void navigate('/' + pathnames[0]);
-  }, [navigate, pathnames]);
+  };
 
   return (
     <AppBar position="fixed" sx={appBarStyles}>

interface/src/components/layout/LayoutDrawer.tsx

@@ -1,4 +1,4 @@
-import { memo, useMemo } from 'react';
+import { memo } from 'react';
 
 import { Box, Divider, Drawer, Toolbar, Typography, styled } from '@mui/material';
 
@@ -24,22 +24,18 @@ interface LayoutDrawerProps {
 }
 
 const LayoutDrawerComponent = ({ mobileOpen, onClose }: LayoutDrawerProps) => {
-  // Memoize drawer content to prevent unnecessary re-renders
-  const drawer = useMemo(
-    () => (
-      <>
-        <Toolbar disableGutters>
-          <Box sx={{ display: 'flex', alignItems: 'center', p: 2 }}>
-            <LayoutDrawerLogo src="/app/icon.png" alt={PROJECT_NAME} />
-            <Typography variant="h6">{PROJECT_NAME}</Typography>
-          </Box>
-          <Divider absolute />
-        </Toolbar>
-        <Divider />
-        <LayoutMenu />
-      </>
-    ),
-    []
+  const drawer = (
+    <>
+      <Toolbar disableGutters>
+        <Box sx={{ display: 'flex', alignItems: 'center', p: 2 }}>
+          <LayoutDrawerLogo src="/app/icon.png" alt={PROJECT_NAME} />
+          <Typography variant="h6">{PROJECT_NAME}</Typography>
+        </Box>
+        <Divider absolute />
+      </Toolbar>
+      <Divider />
+      <LayoutMenu />
+    </>
   );
 
   return (

interface/src/components/layout/LayoutMenu.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useContext, useState } from 'react';
+import { memo, useContext, useState } from 'react';
 
 import AccountCircleIcon from '@mui/icons-material/AccountCircle';
 import AssessmentIcon from '@mui/icons-material/Assessment';
@@ -18,13 +18,15 @@ import { AuthenticatedContext } from 'contexts/authentication';
 import { useI18nContext } from 'i18n/i18n-react';
 
 const LayoutMenuComponent = () => {
-  const { me } = useContext(AuthenticatedContext);
+  const { me, versions } = useContext(AuthenticatedContext);
   const { LL } = useI18nContext();
   const [menuOpen, setMenuOpen] = useState(true);
 
-  const handleMenuToggle = useCallback(() => {
+  const upgradeAvailable = versions?.current?.upgradeable ?? false;
+
+  const handleMenuToggle = () => {
     setMenuOpen((prev) => !prev);
-  }, []);
+  };
 
   return (
     <>
@@ -105,6 +107,7 @@ const LayoutMenuComponent = () => {
           label={LL.SETTINGS(0)}
           disabled={!me.admin}
           to="/settings"
+          badge={upgradeAvailable}
         />
         <LayoutMenuItem icon={LiveHelpIcon} label={LL.HELP()} to={`/help`} />
         <Divider />

interface/src/components/layout/LayoutMenuItem.tsx

@@ -1,7 +1,7 @@
-import { memo, useMemo } from 'react';
+import { memo } from 'react';
 import { Link, useLocation } from 'react-router';
 
-import { ListItemButton, ListItemIcon, ListItemText } from '@mui/material';
+import { Box, ListItemButton, ListItemIcon, ListItemText } from '@mui/material';
 import type { SvgIconProps, SxProps, Theme } from '@mui/material';
 
 import { routeMatches } from 'utils';
@@ -11,60 +11,52 @@ interface LayoutMenuItemProps {
   label: string;
   to: string;
   disabled?: boolean;
+  badge?: boolean;
 }
 
 const LayoutMenuItemComponent = ({
   icon: Icon,
   label,
   to,
-  disabled
+  disabled,
+  badge
 }: LayoutMenuItemProps) => {
   const { pathname } = useLocation();
 
-  const selected = useMemo(() => routeMatches(to, pathname), [to, pathname]);
+  const selected = routeMatches(to, pathname);
 
-  // Memoize dynamic styles based on selected state
-  const buttonStyles: SxProps<Theme> = useMemo(
-    () => ({
-      transition: 'all 0.05s cubic-bezier(0.55, 0.085, 0.68, 0.53)',
-      backgroundColor: selected ? 'rgba(144, 202, 249, 0.1)' : 'transparent',
-      borderRadius: '8px',
-      margin: '2px 8px',
-      '&:hover': {
-        backgroundColor: 'rgba(68, 82, 211, 0.39)'
-      },
-      '&::before': {
-        content: '""',
-        position: 'absolute',
-        left: 0,
-        top: 0,
-        bottom: 0,
-        width: selected ? '3px' : '0px',
-        backgroundColor: '#90caf9',
-        transition: 'width 0.05s cubic-bezier(0.55, 0.085, 0.68, 0.53)'
-      }
-    }),
-    [selected]
-  );
+  const buttonStyles: SxProps<Theme> = {
+    transition: 'all 0.05s cubic-bezier(0.55, 0.085, 0.68, 0.53)',
+    backgroundColor: selected ? 'rgba(144, 202, 249, 0.1)' : 'transparent',
+    borderRadius: '8px',
+    margin: '2px 8px',
+    '&:hover': {
+      backgroundColor: 'rgba(68, 82, 211, 0.39)'
+    },
+    '&::before': {
+      content: '""',
+      position: 'absolute',
+      left: 0,
+      top: 0,
+      bottom: 0,
+      width: selected ? '3px' : '0px',
+      backgroundColor: '#90caf9',
+      transition: 'width 0.05s cubic-bezier(0.55, 0.085, 0.68, 0.53)'
+    }
+  };
 
-  const iconStyles: SxProps<Theme> = useMemo(
-    () => ({
-      color: selected ? '#90caf9' : '#9e9e9e',
-      transition: 'color 0.05s cubic-bezier(0.55, 0.085, 0.68, 0.53)',
-      transform: selected ? 'scale(1.1)' : 'scale(1)',
-      transitionProperty: 'color, transform'
-    }),
-    [selected]
-  );
+  const iconStyles: SxProps<Theme> = {
+    color: selected ? '#90caf9' : '#9e9e9e',
+    transition: 'color 0.05s cubic-bezier(0.55, 0.085, 0.68, 0.53)',
+    transform: selected ? 'scale(1.1)' : 'scale(1)',
+    transitionProperty: 'color, transform'
+  };
 
-  const textStyles: SxProps<Theme> = useMemo(
-    () => ({
-      color: selected ? '#90caf9' : '#f5f5f5',
-      transition: 'color 0.05s cubic-bezier(0.55, 0.085, 0.68, 0.53)',
-      transitionProperty: 'color, font-weight'
-    }),
-    [selected]
-  );
+  const textStyles: SxProps<Theme> = {
+    color: selected ? '#90caf9' : '#f5f5f5',
+    transition: 'color 0.05s cubic-bezier(0.55, 0.085, 0.68, 0.53)',
+    transitionProperty: 'color, font-weight'
+  };
 
   return (
     <ListItemButton
@@ -78,6 +70,20 @@ const LayoutMenuItemComponent = ({
         <Icon />
       </ListItemIcon>
       <ListItemText sx={textStyles}>{label}</ListItemText>
+      {badge && (
+        <Box
+          aria-label="update available"
+          sx={{
+            width: 8,
+            height: 8,
+            ml: 1,
+            borderRadius: '50%',
+            backgroundColor: '#ffeb3b',
+            boxShadow: '0 0 6px rgba(255, 235, 59, 0.8)',
+            flexShrink: 0
+          }}
+        />
+      )}
     </ListItemButton>
   );
 };

interface/src/components/layout/ListMenuItem.tsx

@@ -5,6 +5,7 @@ import { Link } from 'react-router';
 import NavigateNextIcon from '@mui/icons-material/NavigateNext';
 import {
   Avatar,
+  Box,
   ListItem,
   ListItemAvatar,
   ListItemButton,
@@ -20,6 +21,7 @@ interface ListMenuItemProps {
   text: string;
   to?: string;
   disabled?: boolean;
+  badge?: boolean;
 }
 
 const iconStyles: CSSProperties = {
@@ -28,15 +30,40 @@ const iconStyles: CSSProperties = {
   verticalAlign: 'middle'
 };
 
+const Badge = () => (
+  <Box
+    component="span"
+    aria-label="update available"
+    sx={{
+      display: 'inline-block',
+      width: 8,
+      height: 8,
+      ml: 1,
+      verticalAlign: 'middle',
+      borderRadius: '50%',
+      backgroundColor: '#ffeb3b',
+      boxShadow: '0 0 6px rgba(255, 235, 59, 0.8)'
+    }}
+  />
+);
+
 const RenderIcon = memo(
-  ({ icon: Icon, bgcolor, label, text }: ListMenuItemProps) => (
+  ({ icon: Icon, bgcolor, label, text, badge }: ListMenuItemProps) => (
     <>
       <ListItemAvatar>
         <Avatar sx={{ bgcolor, color: 'white' }}>
           <Icon />
         </Avatar>
       </ListItemAvatar>
-      <ListItemText primary={label} secondary={text} />
+      <ListItemText
+        primary={
+          <>
+            {label}
+            {badge && <Badge />}
+          </>
+        }
+        secondary={text}
+      />
     </>
   )
 );
@@ -47,7 +74,8 @@ const LayoutMenuItem = ({
   label,
   text,
   to,
-  disabled
+  disabled,
+  badge
 }: ListMenuItemProps) => (
   <>
     {to && !disabled ? (
@@ -65,6 +93,7 @@ const LayoutMenuItem = ({
             {...(bgcolor && { bgcolor })}
             label={label}
             text={text}
+            {...(badge && { badge })}
           />
         </ListItemButton>
       </ListItem>
@@ -75,6 +104,7 @@ const LayoutMenuItem = ({
           {...(bgcolor && { bgcolor })}
           label={label}
           text={text}
+          {...(badge && { badge })}
         />
       </ListItem>
     )}

interface/src/components/routing/BlockNavigation.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback } from 'react';
+import { memo } from 'react';
 import type { Blocker } from 'react-router';
 
 import {
@@ -15,13 +15,13 @@ import { useI18nContext } from 'i18n/i18n-react';
 const BlockNavigation = ({ blocker }: { blocker: Blocker }) => {
   const { LL } = useI18nContext();
 
-  const handleReset = useCallback(() => {
+  const handleReset = () => {
     blocker.reset?.();
-  }, [blocker]);
+  };
 
-  const handleProceed = useCallback(() => {
+  const handleProceed = () => {
     blocker.proceed?.();
-  }, [blocker]);
+  };
 
   return (
     <Dialog sx={dialogStyle} open={blocker.state === 'blocked'}>

interface/src/components/routing/RouterTabs.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback } from 'react';
+import { memo } from 'react';
 import type { FC } from 'react';
 import { useNavigate } from 'react-router';
 
@@ -16,12 +16,9 @@ const RouterTabs: FC<RouterTabsProps> = ({ value, children }) => {
   const theme = useTheme();
   const smallDown = useMediaQuery(theme.breakpoints.down('sm'));
 
-  const handleTabChange = useCallback(
-    (_event: unknown, path: string) => {
-      void navigate(path);
-    },
-    [navigate]
-  );
+  const handleTabChange = (_event: unknown, path: string) => {
+    void navigate(path);
+  };
 
   return (
     <Tabs

interface/src/components/upload/DragNdrop.tsx

@@ -91,7 +91,9 @@ const DragNdrop = ({ text, onFileSelected }: DragNdropProps) => {
       ).upgradeImportantMessageType;
       setUpgradeImportantMessageType(upgradeImportantMessageType_n);
       if (upgradeImportantMessageType_n === 0) {
-        onFileSelected(file);
+        if (file) {
+          onFileSelected(file);
+        }
       }
     })
     .onError((error) => {

interface/src/contexts/authentication/Authentication.tsx

@@ -3,6 +3,7 @@ import type { FC } from 'react';
 import { redirect } from 'react-router';
 import { toast } from 'react-toastify';
 
+import { callAction } from 'api/app';
 import { ACCESS_TOKEN } from 'api/endpoints';
 
 import * as AuthenticationApi from 'components/routing/authentication';
@@ -10,7 +11,7 @@ import { useRequest } from 'alova/client';
 import { LoadingSpinner } from 'components';
 import { verifyAuthorization } from 'components/routing/authentication';
 import { useI18nContext } from 'i18n/i18n-react';
-import type { Me } from 'types';
+import type { Me, VersionsResponse } from 'types';
 import type { RequiredChildrenProps } from 'utils';
 
 import { AuthenticationContext } from './context';
@@ -20,17 +21,34 @@ const Authentication: FC<RequiredChildrenProps> = ({ children }) => {
 
   const [initialized, setInitialized] = useState<boolean>(false);
   const [me, setMe] = useState<Me>();
+  const [versions, setVersions] = useState<VersionsResponse>();
 
   const { send: sendVerifyAuthorization } = useRequest(verifyAuthorization(), {
     immediate: false
   });
 
+  const { send: sendGetVersions } = useRequest(
+    () => callAction({ action: 'getVersions' }),
+    { immediate: false }
+  )
+    .onSuccess((event) => {
+      setVersions(event.data as VersionsResponse);
+    })
+    .onError(() => {
+      setVersions(undefined);
+    });
+
+  const refreshVersions = useCallback(async () => {
+    await sendGetVersions().catch(() => undefined);
+  }, []);
+
   const signIn = (accessToken: string) => {
     try {
       AuthenticationApi.getStorage().setItem(ACCESS_TOKEN, accessToken);
       const decodedMe = AuthenticationApi.decodeMeJWT(accessToken);
       setMe(decodedMe);
       toast.success(LL.LOGGED_IN({ name: decodedMe.username }));
+      void refreshVersions();
     } catch {
       setMe(undefined);
       throw new Error('Failed to parse JWT');
@@ -40,6 +58,7 @@ const Authentication: FC<RequiredChildrenProps> = ({ children }) => {
   const signOut = (doRedirect: boolean) => {
     AuthenticationApi.clearAccessToken();
     setMe(undefined);
+    setVersions(undefined);
     if (doRedirect) {
       redirect('/');
     }
@@ -49,8 +68,9 @@ const Authentication: FC<RequiredChildrenProps> = ({ children }) => {
     const accessToken = AuthenticationApi.getStorage().getItem(ACCESS_TOKEN);
     if (accessToken) {
       await sendVerifyAuthorization()
-        .then(() => {
+        .then(async () => {
           setMe(AuthenticationApi.decodeMeJWT(accessToken));
+          await refreshVersions();
           setInitialized(true);
         })
         .catch(() => {
@@ -67,15 +87,16 @@ const Authentication: FC<RequiredChildrenProps> = ({ children }) => {
     void refresh();
   }, [refresh]);
 
-  // cache object to prevent re-renders
   const obj = useMemo(
     () => ({
       signIn,
       signOut,
       refresh,
-      ...(me && { me })
+      refreshVersions,
+      ...(me && { me }),
+      ...(versions && { versions })
     }),
-    [signIn, signOut, me, refresh]
+    [signIn, signOut, me, refresh, refreshVersions, versions]
   );
 
   if (initialized) {

interface/src/contexts/authentication/context.ts

@@ -1,12 +1,14 @@
 import { createContext } from 'react';
 
-import type { Me } from 'types';
+import type { Me, VersionsResponse } from 'types';
 
 export interface AuthenticationContextValue {
   refresh: () => Promise<void>;
   signIn: (accessToken: string) => void;
   signOut: (redirect: boolean) => void;
   me?: Me;
+  versions?: VersionsResponse;
+  refreshVersions: () => Promise<void>;
 }
 
 const AuthenticationContextDefaultValue = {} as AuthenticationContextValue;

interface/src/i18n/cz/index.ts

@@ -247,8 +247,7 @@ const cz: Translation = {
   TIME_ZONE: 'Časová zóna',
   ACCESS_POINT: 'Přístupový bod',
   AP_PROVIDE: 'Povolit přístupový bod',
-  AP_PROVIDE_TEXT_1: 'Vždy',
-  AP_PROVIDE_TEXT_2: 'Když je WiFi odpojena',
+  AP_PROVIDE_TEXT_2: 'Když je síťové připojení stratené',
   AP_PROVIDE_TEXT_3: 'Nikdy',
   AP_PREFERRED_CHANNEL: 'Preferovaný kanál',
   AP_HIDE_SSID: 'Skrýt SSID',
@@ -262,7 +261,6 @@ const cz: Translation = {
   SCAN_AGAIN: 'Skenovat znovu',
   NETWORK_SCANNER: 'Síťový skener',
   NETWORK_NO_WIFI: 'Nenalezeny žádné WiFi sítě',
-  NETWORK_BLANK_SSID: 'ponechte prázdné pro deaktivaci WiFi a povolení ETH',
   NETWORK_BLANK_BSSID: 'ponechte prázdné pokud použijete jen SSID',
   TX_POWER: 'Vysílací výkon',
   HOSTNAME: 'Název hostitele',
@@ -364,8 +362,8 @@ const cz: Translation = {
   UPGRADE_IMPORTANT_MESSAGES: 'Aktualizovat důležité zprávy',
   UPGRADE_IMPORTANT_MESSAGES_1: 'Tato aktualizace vyžaduje obnovení továrního nastavení. Ujistěte se, že nejprve stáhnete systémovou zálohu před pokračováním a poté nahrajte tento soubor po instalaci nové verze.',
   UPGRADE_IMPORTANT_MESSAGES_2: 'Aktualizujete se na novou hlavní verzi. Ujistěte se, že jste přečetli ChangeLog pro jakékoliv závažné změny.',
-  WARNING_SYSTEM_BACKUP: 'Toto vytvoří zálohu vašich celých systémových konfigurací a nastavení. Všechna hesla budou v zálohovém souboru čitelná. Buďte opatrní při sdílení! Opravdu chcete pokračovat?'
-
+  WARNING_SYSTEM_BACKUP: 'Toto vytvoří zálohu vašich celých systémových konfigurací a nastavení. Všechna hesla budou v zálohovém souboru čitelná. Buďte opatrní při sdílení! Opravdu chcete pokračovat?',
+  TEST_EMAIL_SUCCESSFUL: 'Test email byl úspěšně odeslán'
 };
 
 export default cz;

interface/src/i18n/de/index.ts

@@ -187,7 +187,7 @@ const de: Translation = {
   COMPACT: 'Kompakte Darstellung',
   DOWNLOAD_SETTINGS_TEXT: 'Erstellen Sie eine Sicherung Ihrer Konfigurationen und Einstellungen',
   DOWNLOAD_SETTINGS_TEXT2: 'Exportiere alle Werte',
-  DOWNLOAD_SYSTEM_BACKUP: 'System Sicherung',
+  DOWNLOAD_SYSTEM_BACKUP: 'Systemsicherung',
   UPLOAD_TEXT: 'Laden Sie eine neue Firmware-Datei (.bin) oder eine Sicherungsdatei (.json) hoch',
   UPLOAD_DROP_TEXT: 'Legen Sie eine Firmware-Datei (.bin) ab oder klicken Sie hier',
   ERROR: 'Unerwarteter Fehler, bitte versuchen Sie es erneut.',
@@ -247,8 +247,7 @@ const de: Translation = {
   TIME_ZONE: 'Zeitzone',
   ACCESS_POINT: 'Zugangspunkt',
   AP_PROVIDE: 'Aktiviere Zugangspunkt',
-  AP_PROVIDE_TEXT_1: 'Immer',
-  AP_PROVIDE_TEXT_2: 'Wenn WiFi nicht verbunden',
+  AP_PROVIDE_TEXT_2: 'Wenn Netzwerkverbindung verloren geht',
   AP_PROVIDE_TEXT_3: 'Niemals',
   AP_PREFERRED_CHANNEL: 'Bevorzugter Kanal',
   AP_HIDE_SSID: 'Verstecke SSID',
@@ -262,7 +261,6 @@ const de: Translation = {
   SCAN_AGAIN: 'Erneute Suche',
   NETWORK_SCANNER: 'Netzwerksuche',
   NETWORK_NO_WIFI: 'Keine WiFi-Netzwerke gefunden',
-  NETWORK_BLANK_SSID: 'Freilassen, um WiFi zu deaktivieren und ETH zu aktivieren.',
   NETWORK_BLANK_BSSID: 'Freilassen, um nur SSID für die Verbindung zu nutzen.',
   TX_POWER: 'Tx Leistung',
   HOSTNAME: 'Hostname',
@@ -362,10 +360,10 @@ const de: Translation = {
   STORED_VERSIONS: 'Gespeicherte Versionen',
   ONLINE_HELP: 'Online-Hilfe',
   UPGRADE_IMPORTANT_MESSAGES: 'Wichtige Nachrichten aktualisieren',
-  UPGRADE_IMPORTANT_MESSAGES_1: 'Diese Aktualisierung erfordert eine Werkseinstellung. Stellen Sie sicher, dass Sie zuerst eine Systemsicherung herunterladen, bevor Sie fortfahren, und laden Sie diese Datei dann nach der Installation der neuen Version hoch.',
+  UPGRADE_IMPORTANT_MESSAGES_1: 'Für diese Aktualisierung ist ein Werksreset erforderlich. Stellen Sie sicher, dass Sie zuerst eine Systemsicherung herunterladen, bevor Sie fortfahren, und laden Sie diese Datei dann nach der Installation der neuen Version hoch.',
   UPGRADE_IMPORTANT_MESSAGES_2: 'Sie aktualisieren auf eine neue Hauptversion. Stellen Sie sicher, dass Sie den ChangeLog für alle wichtigen Änderungen gelesen haben.',
-  WARNING_SYSTEM_BACKUP: 'Dies wird eine Sicherung Ihrer vollständigen Systemkonfiguration und -einstellungen erstellen. Alle Passwörter werden im Sicherungsdatei lesbar sein. Seien Sie vorsichtig beim Teilen! Möchten Sie fortfahren?'
-
+  WARNING_SYSTEM_BACKUP: 'Dies wird eine Sicherung Ihrer vollständigen Systemkonfiguration und Einstellungen erstellen. Alle Passwörter werden in dieser Sicherungsdatei lesbar sein. Seien Sie vorsichtig beim Teilen! Möchten Sie fortfahren?',
+  TEST_EMAIL_SUCCESSFUL: 'Test email erfolgreich gesendet'
 };
 
 export default de;

interface/src/i18n/en/index.ts

@@ -247,8 +247,7 @@ const en: Translation = {
   TIME_ZONE: 'Time Zone',
   ACCESS_POINT: 'Access Point',
   AP_PROVIDE: 'Enable Access Point',
-  AP_PROVIDE_TEXT_1: 'Always',
-  AP_PROVIDE_TEXT_2: 'When WiFi is disconnected',
+  AP_PROVIDE_TEXT_2: 'When network connection is lost',
   AP_PROVIDE_TEXT_3: 'Never',
   AP_PREFERRED_CHANNEL: 'Preferred Channel',
   AP_HIDE_SSID: 'Hide SSID',
@@ -262,7 +261,6 @@ const en: Translation = {
   SCAN_AGAIN: 'Scan again',
   NETWORK_SCANNER: 'Network Scanner',
   NETWORK_NO_WIFI: 'No WiFi networks found',
-  NETWORK_BLANK_SSID: 'leave blank to disable WiFi and enable ETH',
   NETWORK_BLANK_BSSID: 'leave blank to use only SSID',
   TX_POWER: 'Tx Power',
   HOSTNAME: 'Hostname',
@@ -364,8 +362,8 @@ const en: Translation = {
   UPGRADE_IMPORTANT_MESSAGES: 'Upgrade Important Messages',
   UPGRADE_IMPORTANT_MESSAGES_1: 'This upgrade requires a factory reset. Make sure you first download a System Backup before continuing, and then upload this file after the new version is installed.',
   UPGRADE_IMPORTANT_MESSAGES_2: 'You are upgrading to a new major version. Make sure you have read the ChangeLog for any breaking changes.',
-  WARNING_SYSTEM_BACKUP: 'This will create a backup of your full system configuration and settings. All passwords will be readable in the backup file. Be careful with sharing! Do you want to continue?'
-
+  WARNING_SYSTEM_BACKUP: 'This will create a backup of your full system configuration and settings. All passwords will be readable in the backup file. Be careful with sharing! Do you want to continue?',
+  TEST_EMAIL_SUCCESSFUL: 'Test email sent successfully'
 };
 
 export default en;

interface/src/i18n/fr/index.ts

@@ -247,8 +247,7 @@ const fr: Translation = {
   TIME_ZONE: 'Fuseau horaire',
   ACCESS_POINT: "Point d'accès",
   AP_PROVIDE: "Activer le Point d'Accès",
-  AP_PROVIDE_TEXT_1: 'toujours',
-  AP_PROVIDE_TEXT_2: 'quand le WiFi est déconnecté',
+  AP_PROVIDE_TEXT_2: 'quand la connexion réseau est perdue',
   AP_PROVIDE_TEXT_3: 'jamais',
   AP_PREFERRED_CHANNEL: 'Canal préféré',
   AP_HIDE_SSID: 'Cacher le SSID',
@@ -262,7 +261,6 @@ const fr: Translation = {
   SCAN_AGAIN: 'Rescanner',
   NETWORK_SCANNER: 'Scan réseau',
   NETWORK_NO_WIFI: 'Pas de réseau WiFi trouvé',
-  NETWORK_BLANK_SSID: 'laisser vide pour désactiver le WiFi',
   NETWORK_BLANK_BSSID: 'laisser vide pour utiliser uniquement le SSID',
   TX_POWER: 'Puissance Tx',
   HOSTNAME: "Nom d'hôte",
@@ -364,8 +362,8 @@ const fr: Translation = {
   UPGRADE_IMPORTANT_MESSAGES: 'Mettre à jour les messages importants',
   UPGRADE_IMPORTANT_MESSAGES_1: 'Cette mise à jour nécessite une réinitialisation de fabrique. Assurez-vous de télécharger une sauvegarde système avant de continuer, et de la charger après l\'installation de la nouvelle version.',
   UPGRADE_IMPORTANT_MESSAGES_2: 'Vous mettez à jour vers une nouvelle version majeure. Assurez-vous de lire le ChangeLog pour tout changement important.',
-  WARNING_SYSTEM_BACKUP: 'Cela créera une sauvegarde de votre configuration et paramètres complets. Tous les mots de passe seront lisibles dans le fichier de sauvegarde. Soyez prudent avec le partage ! Voulez-vous continuer ?'
-
+  WARNING_SYSTEM_BACKUP: 'Cela créera une sauvegarde de votre configuration et paramètres complets. Tous les mots de passe seront lisibles dans le fichier de sauvegarde. Soyez prudent avec le partage ! Voulez-vous continuer ?',
+  TEST_EMAIL_SUCCESSFUL: 'Test email envoyé avec succès'
 };
 
 export default fr;

interface/src/i18n/it/index.ts

@@ -247,8 +247,7 @@ const it: Translation = {
   TIME_ZONE: 'Fuso orario',
   ACCESS_POINT: 'Access Point',
   AP_PROVIDE: 'Abilita Access Point',
-  AP_PROVIDE_TEXT_1: 'sempre',
-  AP_PROVIDE_TEXT_2: 'quando WiFi é disconnessa',
+  AP_PROVIDE_TEXT_2: 'quando la connessione di rete è persa',
   AP_PROVIDE_TEXT_3: 'mai',
   AP_PREFERRED_CHANNEL: 'Canale preferito',
   AP_HIDE_SSID: 'Nascondi SSID',
@@ -262,7 +261,6 @@ const it: Translation = {
   SCAN_AGAIN: 'Scansiona ancora',
   NETWORK_SCANNER: 'Scansione Rete',
   NETWORK_NO_WIFI: 'Nessuana rete WiFi trovata',
-  NETWORK_BLANK_SSID: 'lasciare vuoto per disattivare WiFi',
   NETWORK_BLANK_BSSID: 'lasciare vuoto per usare solo SSID',
   TX_POWER: 'Potenza Tx',
   HOSTNAME: 'Nome ospite',
@@ -364,8 +362,8 @@ const it: Translation = {
   UPGRADE_IMPORTANT_MESSAGES: 'Aggiorna Messaggi Importanti',
   UPGRADE_IMPORTANT_MESSAGES_1: 'Questa aggiornamento richiede un ripristino di fabbrica. Assicurati di prima scaricare un backup del sistema prima di continuare, e poi caricare questo file dopo l\'installazione della nuova versione.',
   UPGRADE_IMPORTANT_MESSAGES_2: 'Stai aggiornando a una nuova versione principale. Assicurati di aver letto il ChangeLog per qualsiasi cambiamento importante.',
-  WARNING_SYSTEM_BACKUP: 'Questo creerà un backup delle tue configurazioni e impostazioni complete. Tutte le password saranno leggibili nel file di backup. Sei sicuro di voler continuare?'
-
+  WARNING_SYSTEM_BACKUP: 'Questo creerà un backup delle tue configurazioni e impostazioni complete. Tutte le password saranno leggibili nel file di backup. Sei sicuro di voler continuare?',
+  TEST_EMAIL_SUCCESSFUL: 'Test email inviata con successo'
 };
 
 export default it;

interface/src/i18n/nl/index.ts

@@ -247,8 +247,7 @@ const nl: Translation = {
   TIME_ZONE: 'Tijdzone',
   ACCESS_POINT: 'Access Point',
   AP_PROVIDE: 'Activeer Access Point',
-  AP_PROVIDE_TEXT_1: 'altijd',
-  AP_PROVIDE_TEXT_2: 'als WiFi niet is verbonden',
+  AP_PROVIDE_TEXT_2: 'als netwerk verbinding verloren gaat',
   AP_PROVIDE_TEXT_3: 'nooit',
   AP_PREFERRED_CHANNEL: 'Voorkeurskanaal',
   AP_HIDE_SSID: 'SSID verbergen',
@@ -262,7 +261,6 @@ const nl: Translation = {
   SCAN_AGAIN: 'Opnieuw scannen',
   NETWORK_SCANNER: 'Netwerk Scannen',
   NETWORK_NO_WIFI: 'Geen WiFi netwerken gevonden',
-  NETWORK_BLANK_SSID: 'laat leeg om WiFi uit te schakelen',
   NETWORK_BLANK_BSSID: 'laat leeg om alleen SSID te bebruiken',
   TX_POWER: 'Tx Vermogen',
   HOSTNAME: 'Hostnaam',
@@ -364,8 +362,8 @@ const nl: Translation = {
   UPGRADE_IMPORTANT_MESSAGES: 'Upgrade Belangrijke Berichten',
   UPGRADE_IMPORTANT_MESSAGES_1: 'Deze upgrade vereist een fabrieksinstelling. Zorg ervoor dat u eerst een Systeem Backup download voordat u doorgaat, en upload deze file na de installatie van de nieuwe versie.',
   UPGRADE_IMPORTANT_MESSAGES_2: 'U updatet naar een nieuwe grote versie. Zorg ervoor dat u de ChangeLog hebt gelezen voor alle brekende wijzigingen.',
-  WARNING_SYSTEM_BACKUP: 'Dit zal een back-up van uw volledige systeemconfiguratie en instellingen maken. Alle wachtwoorden zijn leesbaar in het back-upbestand. Wees voorzichtig bij delen! Wilt u doorgaan?'
-
+  WARNING_SYSTEM_BACKUP: 'Dit zal een back-up van uw volledige systeemconfiguratie en instellingen maken. Alle wachtwoorden zijn leesbaar in het back-upbestand. Wees voorzichtig bij delen! Wilt u doorgaan?',
+  TEST_EMAIL_SUCCESSFUL: 'Test email verzonden succesvol'
 };
 
 export default nl;

interface/src/i18n/no/index.ts

@@ -247,8 +247,7 @@ const no: Translation = {
   TIME_ZONE: 'Tidssone',
   ACCESS_POINT: 'Aksesspunkt',
   AP_PROVIDE: 'Aktiver Aksesspunkt',
-  AP_PROVIDE_TEXT_1: 'alltid',
-  AP_PROVIDE_TEXT_2: 'når WiFi er utilgjengelig',
+  AP_PROVIDE_TEXT_2: 'når nettverksforbindelsen er utilgjengelig',
   AP_PROVIDE_TEXT_3: 'aldri',
   AP_PREFERRED_CHANNEL: 'Foretrukket kanal',
   AP_HIDE_SSID: 'Skjul SSID',
@@ -262,7 +261,6 @@ const no: Translation = {
   SCAN_AGAIN: 'Søk igjen',
   NETWORK_SCANNER: 'Nettverk Scanner',
   NETWORK_NO_WIFI: 'Ingen trådløse nett funnet',
-  NETWORK_BLANK_SSID: 'la feltet være blankt for å deaktivisere trådløst nettverk',
   NETWORK_BLANK_BSSID: 'la feltet være blankt for å bruke kun SSID',
   TX_POWER: 'Tx Effekt',
   HOSTNAME: 'Hostname',
@@ -364,8 +362,8 @@ const no: Translation = {
   UPGRADE_IMPORTANT_MESSAGES: 'Oppdater viktige meldinger',
   UPGRADE_IMPORTANT_MESSAGES_1: 'Denne oppdateringen krever en fabriksinstilling. Sørg for at du først lastet ned en System Backup før du fortsetter, og last denne filen etter at den nye versjonen er installert.',
   UPGRADE_IMPORTANT_MESSAGES_2: 'Du oppdaterer til en ny hovedversjon. Sørg for at du har lest ChangeLog for eventuelle bruddende endringer.',
-  WARNING_SYSTEM_BACKUP: 'Dette vil lage en sikkerhetskopi av din fullstendige systemkonfigurasjon og innstillinger. Alle passord vil være lesbare i sikkerhetskopien. Vær forsiktig med deling! Vil du fortsette?'
-
+  WARNING_SYSTEM_BACKUP: 'Dette vil lage en sikkerhetskopi av din fullstendige systemkonfigurasjon og innstillinger. Alle passord vil være lesbare i sikkerhetskopien. Vær forsiktig med deling! Vil du fortsette?',
+  TEST_EMAIL_SUCCESSFUL: 'Test email sendt suksessfullt'
 };
 
 export default no;

interface/src/i18n/pl/index.ts

@@ -247,7 +247,6 @@ const pl: BaseTranslation = {
   TIME_ZONE: 'Strefa czasowa',
   ACCESS_POINT: '{{Punkt|punktu|}} {{dostępowy|dostępowego|}}',
   AP_PROVIDE: 'Punkt dostępowy',
-  AP_PROVIDE_TEXT_1: 'zawsze aktywny',
   AP_PROVIDE_TEXT_2: 'aktywny jeśli brak połączenia z siecią',
   AP_PROVIDE_TEXT_3: 'nieaktywny',
   AP_PREFERRED_CHANNEL: 'Preferowany kanał',
@@ -262,7 +261,6 @@ const pl: BaseTranslation = {
   SCAN_AGAIN: 'Skanuj ponownie',
   NETWORK_SCANNER: 'Skaner sieci WiFi',
   NETWORK_NO_WIFI: 'Brak sieci WiFi w zasięgu',
-  NETWORK_BLANK_SSID: 'pozostaw puste aby wyłączyć WiFi i włączyć ETH',
   NETWORK_BLANK_BSSID: 'pozostaw puste aby używać tylko SSID',
   TX_POWER: 'Moc nadawania',
   HOSTNAME: 'Nazwa w sieci',
@@ -364,8 +362,8 @@ const pl: BaseTranslation = {
   UPGRADE_IMPORTANT_MESSAGES: 'Aktualizuj ważne wiadomości',
   UPGRADE_IMPORTANT_MESSAGES_1: 'Ta aktualizacja wymaga resetu fabrycznego. Upewnij się, że najpierw pobierzesz kopię zapasową systemu przed kontynuowaniem, a następnie przesuń tę plik po zainstalowaniu nowej wersji.',
   UPGRADE_IMPORTANT_MESSAGES_2: 'Aktualizujesz się do nowej głównej wersji. Upewnij się, że przeczytałeś ChangeLog dla wszelkich istotnych zmian.',
-  WARNING_SYSTEM_BACKUP: 'To spowoduje utworzenie kopii zapasowej całej konfiguracji i ustawień systemu. Wszystkie hasła będą widoczne w pliku kopii zapasowej. Bądź ostrożny przy udostępnianiu! Chcesz kontynuować?'
-
+  WARNING_SYSTEM_BACKUP: 'To spowoduje utworzenie kopii zapasowej całej konfiguracji i ustawień systemu. Wszystkie hasła będą widoczne w pliku kopii zapasowej. Bądź ostrożny przy udostępnianiu! Chcesz kontynuować?',
+  TEST_EMAIL_SUCCESSFUL: 'Test email wysłany pomyślnie'
 };
 
 export default pl;

interface/src/i18n/sk/index.ts

@@ -247,8 +247,7 @@ const sk: Translation = {
   TIME_ZONE: 'Časová zóna',
   ACCESS_POINT: 'Prístupový bod',
   AP_PROVIDE: 'Povoliť prístupový bod',
-  AP_PROVIDE_TEXT_1: 'vždy',
-  AP_PROVIDE_TEXT_2: 'keď je WiFi odpojená',
+  AP_PROVIDE_TEXT_2: 'keď je sieťové pripojenie stratené',
   AP_PROVIDE_TEXT_3: 'nikdy',
   AP_PREFERRED_CHANNEL: 'Preferovaný kanál',
   AP_HIDE_SSID: 'Skryť SSID',
@@ -262,7 +261,6 @@ const sk: Translation = {
   SCAN_AGAIN: 'Skenovať znova',
   NETWORK_SCANNER: 'Sieťový skener',
   NETWORK_NO_WIFI: 'WiFi siete nenájdené',
-  NETWORK_BLANK_SSID: 'nechajte prázdne, ak chcete zakázať WiFi a povoliť ETH',
   NETWORK_BLANK_BSSID: 'ponechajte prázdne, ak chcete používať iba SSID',
   TX_POWER: 'Tx výkon',
   HOSTNAME: 'Hostname',
@@ -364,8 +362,8 @@ const sk: Translation = {
   UPGRADE_IMPORTANT_MESSAGES: 'Aktualizovať dôležité správy',
   UPGRADE_IMPORTANT_MESSAGES_1: 'Táto aktualizácia vyžaduje reštart základných nastavení. Uistite sa, že najprv stiahnete systémovú zálohu pred pokračovaním, a potom nahrajte tento súbor po instalácii novej verzie.',
   UPGRADE_IMPORTANT_MESSAGES_2: 'Aktualizujete sa na novú hlavnú verziu. Uistite sa, že ste prečítali ChangeLog pre akékoľvek dôležité zmeny.',
-  WARNING_SYSTEM_BACKUP: 'Toto vytvorí zálohu všetkých vašich celých systémových konfigurácií a nastavení. Všetky hesla budú čitateľné v zálohovom súbore. Buďte opatrní pri zdieľaní! Chcete pokračovať?'
-
+  WARNING_SYSTEM_BACKUP: 'Toto vytvorí zálohu všetkých vašich celých systémových konfigurácií a nastavení. Všetky hesla budú čitateľné v zálohovom súbore. Buďte opatrní pri zdieľaní! Chcete pokračovať?',
+  TEST_EMAIL_SUCCESSFUL: 'Test email bol úspešne odoslaný'
 };
 
 export default sk;

interface/src/i18n/sv/index.ts

@@ -247,8 +247,7 @@ const sv: Translation = {
   TIME_ZONE: 'Tidszon',
   ACCESS_POINT: 'Accesspunkt',
   AP_PROVIDE: 'Aktivera accesspunkt',
-  AP_PROVIDE_TEXT_1: 'alltid',
-  AP_PROVIDE_TEXT_2: 'när WiFi är nedkopplat',
+  AP_PROVIDE_TEXT_2: 'när nätverksanslutningen är bortkopplad',
   AP_PROVIDE_TEXT_3: 'aldrig',
   AP_PREFERRED_CHANNEL: 'Kanal',
   AP_HIDE_SSID: 'Göm SSID',
@@ -262,7 +261,6 @@ const sv: Translation = {
   SCAN_AGAIN: 'Sök igen',
   NETWORK_SCANNER: 'Hittade nätverk',
   NETWORK_NO_WIFI: 'Inga WiFi-nätverk hittades',
-  NETWORK_BLANK_SSID: 'lämna blankt för att inaktivera WiFi',
   NETWORK_BLANK_BSSID: 'lämna blankt för att bara använda SSID',
   TX_POWER: 'Tx effekt',
   HOSTNAME: 'Värdnamn',
@@ -364,8 +362,8 @@ const sv: Translation = {
   UPGRADE_IMPORTANT_MESSAGES: 'Uppdatera viktiga meddelanden',
   UPGRADE_IMPORTANT_MESSAGES_1: 'Denna uppdatering kräver en fabriksåterställning. Se till att du först laddar ned en System Backup innan du fortsätter, och ladda upp denna fil efter att den nya versionen är installerad.',
   UPGRADE_IMPORTANT_MESSAGES_2: 'Du uppdaterar till en ny huvudversion. Se till att du har läst ChangeLog för eventuella brkande ändringar.',
-  WARNING_SYSTEM_BACKUP: 'Detta kommer att skapa en säkerhetskopia av din fullständiga systemkonfiguration och inställningar. Alla lösenord kommer att vara läsbara i säkerhetskopien. Var försiktig med att dela! Vill du fortsätta?'
-
+  WARNING_SYSTEM_BACKUP: 'Detta kommer att skapa en säkerhetskopia av din fullständiga systemkonfiguration och inställningar. Alla lösenord kommer att vara läsbara i säkerhetskopien. Var försiktig med att dela! Vill du fortsätta?',
+  TEST_EMAIL_SUCCESSFUL: 'Test email skickad lyckades'
 };
 
 export default sv;

interface/src/i18n/tr/index.ts

@@ -247,8 +247,7 @@ const tr: Translation = {
   TIME_ZONE: 'Saat dilimi',
   ACCESS_POINT: 'Erişim Noktası',
   AP_PROVIDE: 'Erişim noktasını çalıştır',
-  AP_PROVIDE_TEXT_1: 'her zaman',
-  AP_PROVIDE_TEXT_2: 'Kablosuz bağlantı kesildiğinde',
+  AP_PROVIDE_TEXT_2: 'Ağ bağlantısı kesildiğinde',
   AP_PROVIDE_TEXT_3: 'asla',
   AP_PREFERRED_CHANNEL: 'Tercih edilen kanal',
   AP_HIDE_SSID: 'SSID yi gizle',
@@ -262,7 +261,6 @@ const tr: Translation = {
   SCAN_AGAIN: 'Tekrar tara',
   NETWORK_SCANNER: 'Ağ Tarayıcısı',
   NETWORK_NO_WIFI: 'Hiçbir Kablosuz Ağ bulunamadı',
-  NETWORK_BLANK_SSID: 'Kablosuz ağı devre dışı bırakmak için boş bırakın',
   NETWORK_BLANK_BSSID: 'sadece SSID kullanmak için boş bırakın',
   TX_POWER: 'Aktarım gücü',
   HOSTNAME: 'Ana Makine Adı',
@@ -364,8 +362,8 @@ const tr: Translation = {
   UPGRADE_IMPORTANT_MESSAGES: 'Önemli Mesajları Güncelle',
   UPGRADE_IMPORTANT_MESSAGES_1: 'Bu güncelleme továrnı ayarlarını gerektirir. Yapılandırmanızı ve ayarlarınızı önce yedekleyin ve ardından yeni sürüm yüklendikten sonra yükleyin.',
   UPGRADE_IMPORTANT_MESSAGES_2: 'Yeni bir büyük sürüme yükselteceksiniz. Değişiklikleri ChangeLogı okuduğunuzdan emin olun.',
-  WARNING_SYSTEM_BACKUP: 'Bu, sistem yapılandırmanızı ve ayarlarınızın bir yedeklemesi oluşturacaktır. Tüm şifreler yedekleme dosyasında okunabilir olacaktır. Paylaşırken dikkatli olun! Devam etmek istediğinize emin misiniz?'
-
+  WARNING_SYSTEM_BACKUP: 'Bu, sistem yapılandırmanızı ve ayarlarınızın bir yedeklemesi oluşturacaktır. Tüm şifreler yedekleme dosyasında okunabilir olacaktır. Paylaşırken dikkatli olun! Devam etmek istediğinize emin misiniz?',
+  TEST_EMAIL_SUCCESSFUL: 'Test email başarıyla gönderildi'
 };
 
 export default tr;

interface/src/types/ap.ts

@@ -1,5 +1,4 @@
 export enum APProvisionMode {
-  AP_MODE_ALWAYS = 0,
   AP_MODE_DISCONNECTED = 1,
   AP_NEVER = 2
 }

interface/src/types/index.ts

@@ -7,3 +7,4 @@ export * from './ntp';
 export * from './security';
 export * from './signin';
 export * from './system';
+export * from './versions';

interface/src/types/versions.ts

@@ -0,0 +1,23 @@
+// Types for the `getVersions` action response coming from the device.
+// The device proxies the request to emsesp.org/versions.json. If the device
+// is offline the `stable` and `dev` fields are omitted.
+
+export interface VersionInfo {
+  version: string;
+  date: string;
+}
+
+export interface RemoteVersionInfo extends VersionInfo {
+  upgradeable: boolean;
+}
+
+export interface CurrentVersionInfo extends VersionInfo {
+  type: 'stable' | 'dev';
+  upgradeable: boolean;
+}
+
+export interface VersionsResponse {
+  current: CurrentVersionInfo;
+  stable?: RemoteVersionInfo;
+  dev?: RemoteVersionInfo;
+}

interface/src/utils/usePersistState.ts

@@ -1,34 +1,27 @@
-import { useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 
 export const usePersistState = <T>(
   initial_value: T,
   id: string
 ): [T, (new_state: T) => void] => {
-  // Set initial value - only computed once on mount
-  const _initial_value = useMemo(() => {
+  const [state, setState] = useState<T>(() => {
     try {
-      const local_storage_value_str = localStorage.getItem(`state:${id}`);
-      // If there is a value stored in localStorage, use that
-      if (local_storage_value_str) {
-        return JSON.parse(local_storage_value_str) as T;
+      const stored = localStorage.getItem(`state:${id}`);
+      if (stored) {
+        return JSON.parse(stored) as T;
       }
     } catch (error) {
-      // If parsing fails, fall back to initial_value
       console.warn(
         `Failed to parse localStorage value for key "state:${id}"`,
         error
       );
     }
-    // Otherwise use initial_value that was passed to the function
     return initial_value;
-  }, [id]); // initial_value intentionally omitted - only read on first mount
-
-  const [state, setState] = useState(_initial_value);
+  });
 
   useEffect(() => {
     try {
-      const state_str = JSON.stringify(state);
-      localStorage.setItem(`state:${id}`, state_str);
+      localStorage.setItem(`state:${id}`, JSON.stringify(state));
     } catch (error) {
       console.warn(
         `Failed to save state to localStorage for key "state:${id}"`,

interface/src/utils/useRest.ts

@@ -1,4 +1,4 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useCallback, useState } from 'react';
 import { useBlocker } from 'react-router';
 import { toast } from 'react-toastify';
 
@@ -54,61 +54,44 @@ export const useRest = <D>({ read, update }: RestRequestOptions<D>) => {
     }
   }, [readData]);
 
-  const saveData = useCallback(async () => {
+  const saveData = async () => {
     if (!data) return;
 
-    // Reset states before saving
     setRestartNeeded(false);
     setErrorMessage(undefined);
 
     try {
       await writeData(data as D);
-      // Only update origData on successful save (dirtyFlags cleared by onSuccess handler)
       setOrigData(data as D);
     } catch (error) {
       const message = error instanceof Error ? error.message : String(error);
 
       if (message === REBOOT_ERROR_MESSAGE) {
         setRestartNeeded(true);
-        return; // Early return - save succeeded but needs reboot
+        return;
       }
 
-      // Restore original data on validation error
       if (origData) {
         updateData({ data: origData });
       }
       toast.error(message);
       setErrorMessage(message);
-      setDirtyFlags([]); // Clear flags so user can retry
+      setDirtyFlags([]);
     }
-  }, [data, writeData, origData, updateData]);
+  };
 
-  return useMemo(
-    () => ({
-      loadData,
-      saveData,
-      saving: !!saving,
-      updateDataValue,
-      data: data as D,
-      origData: origData as D,
-      dirtyFlags,
-      setDirtyFlags,
-      setOrigData,
-      blocker,
-      errorMessage,
-      restartNeeded
-    }),
-    [
-      loadData,
-      saveData,
-      saving,
-      updateDataValue,
-      data,
-      origData,
-      dirtyFlags,
-      blocker,
-      errorMessage,
-      restartNeeded
-    ]
-  );
+  return {
+    loadData,
+    saveData,
+    saving: !!saving,
+    updateDataValue,
+    data: data as D,
+    origData: origData as D,
+    dirtyFlags,
+    setDirtyFlags,
+    setOrigData,
+    blocker,
+    errorMessage,
+    restartNeeded
+  };
 };

interface/src/validators/shared.ts

@@ -1,6 +1,20 @@
-import type { InternalRuleItem, ValidateOption } from 'async-validator';
+import type {
+  InternalRuleItem,
+  ValidateFieldsError,
+  ValidateOption
+} from 'async-validator';
 import type Schema from 'async-validator';
 
+export class ValidationError extends Error {
+  readonly fieldErrors: ValidateFieldsError;
+
+  constructor(fieldErrors: ValidateFieldsError) {
+    super('Validation failed');
+    this.name = 'ValidationError';
+    this.fieldErrors = fieldErrors;
+  }
+}
+
 export const validate = <T extends object>(
   validator: Schema,
   source: Partial<T>,
@@ -8,7 +22,7 @@ export const validate = <T extends object>(
 ): Promise<T> =>
   new Promise((resolve, reject) => {
     void validator.validate(source, options ?? {}, (errors, fieldErrors) => {
-      errors ? reject(fieldErrors as Error) : resolve(source as T);
+      errors ? reject(new ValidationError(fieldErrors)) : resolve(source as T);
     });
   });
 

interface/vite.config.ts

@@ -6,9 +6,6 @@ import { Plugin, PluginOption, defineConfig } from 'vite';
 import viteImagemin from 'vite-plugin-imagemin';
 import zlib from 'zlib';
 
-// @ts-expect-error - mock server doesn't have type declarations
-import mockServer from '../mock-api/mockServer.js';
-
 // Constants
 const KB_DIVISOR = 1024;
 const REPEAT_CHAR = '=';
@@ -100,6 +97,10 @@ const createPreactPlugin = (devToolsEnabled: boolean) =>
 
 // Patch preact/compat to export stub React 19 APIs (use, useOptimistic) so that
 // react-router v7 doesn't trigger IMPORT_IS_UNDEFINED warnings from Rolldown.
+// Rolldown tracks the constant strings used in `React[REACT_USE]` /
+// `React[USE_OPTIMISTIC]` lookups inside react-router and resolves them
+// statically, so simply relying on a runtime guard is not enough — we need
+// matching (stub) exports on the aliased preact/compat module.
 const preactCompatPatchPlugin = (): Plugin => ({
   name: 'preact-compat-react19-patch',
   transform(code, id) {
@@ -210,9 +211,11 @@ const imageOptimizationPlugin = {
 };
 
 export default defineConfig(
-  ({ command, mode }: { command: string; mode: string }) => {
+  async ({ command, mode }: { command: string; mode: string }) => {
     if (command === 'serve') {
       console.log(`Preparing for standalone build with server, mode=${mode}`);
+      // @ts-expect-error - mock server doesn't have type declarations
+      const { default: mockServer } = await import('../mock-api/mockServer.js');
       return {
         plugins: [...createBasePlugins(true, true), mockServer()],
         resolve: {
@@ -229,8 +232,7 @@ export default defineConfig(
               changeOrigin: true,
               secure: false
             },
-            '/rest': 'http://localhost:3080',
-            '/gh': 'http://localhost:3080'
+            '/rest': 'http://localhost:3080'
           }
         },
         build: {

lib/uuid-syslog/src/syslog.cpp

@@ -231,7 +231,7 @@ SyslogService::QueuedLogMessage::QueuedLogMessage(unsigned long id, std::shared_
     : id_(id)
     , content_(std::move(content)) {
     // Added for EMS-ESP
-    if (time_good_ || emsesp::EMSESP::system_.network_connected()) {
+    if (time_good_ || emsesp::EMSESP::network_.network_connected()) {
 #if UUID_SYSLOG_HAVE_GETTIMEOFDAY
         if (gettimeofday(&time_, nullptr) != 0) {
             time_.tv_sec = (time_t)-1;

lib_standalone/ESP32React.h

@@ -12,6 +12,7 @@
 #include "SecuritySettingsService.h"
 #include "StatefulService.h"
 #include "Network.h"
+// #include "IPAddress.h"
 
 #include <espMqttClient.h>
 
@@ -21,7 +22,6 @@
 #define NTP_SETTINGS_FILE "/config/ntpSettings.json"
 #define EMSESP_SETTINGS_FILE "/config/emsespSettings.json"
 
-#define AP_MODE_ALWAYS 0
 class DummySettings {
   public:
     // SYSTEM
@@ -49,6 +49,22 @@ class DummySettings {
     uint16_t keepAlive          = 60;
     bool     cleanSession       = false;
     uint8_t  entity_format      = 1;
+    String   CORSOrigin         = "*";
+    uint8_t  tx_power           = 0;
+    String   bssid              = "";
+    String   localIP            = "";
+    String   gatewayIP          = "";
+    String   subnetMask         = "";
+    bool     staticIPConfig     = false;
+    String   dnsIP1             = "";
+    String   dnsIP2             = "";
+    bool     enableMDNS         = true;
+    bool     enableCORS         = false;
+    uint8_t  channel            = 1;
+    bool     ssid_hidden        = false;
+    uint8_t  max_clients        = 4;
+    bool     ssidHidden         = false;
+    uint8_t  maxClients         = 4;
 
     uint16_t publish_time_boiler     = 10;
     uint16_t publish_time_thermostat = 10;
@@ -59,21 +75,10 @@ class DummySettings {
     uint16_t publish_time_heartbeat  = 60;
     uint32_t publish_time_water      = 0;
 
-    String  hostname       = "ems-esp";
-    String  jwtSecret      = "ems-esp";
-    String  ssid           = "ems-esp";
-    String  password       = "ems-esp";
-    String  bssid          = "";
-    String  localIP        = "";
-    String  gatewayIP      = "";
-    String  subnetMask     = "";
-    bool    staticIPConfig = false;
-    String  dnsIP1         = "";
-    String  dnsIP2         = "";
-    bool    enableMDNS     = true;
-    bool    enableCORS     = false;
-    String  CORSOrigin     = "*";
-    uint8_t tx_power       = 0;
+    String hostname  = "ems-esp";
+    String jwtSecret = "ems-esp";
+    String ssid      = "ems-esp";
+    String password  = "ems-esp";
 
     // AP
     uint8_t provisionMode = 0;

lib_standalone/WString.h

@@ -33,7 +33,7 @@ class String {
         return lhs;
     }
 
-    bool isEmpty() {
+    bool isEmpty() const {
         return _str.empty();
     }
 

mock-api/package.json

@@ -1,6 +1,6 @@
 {
   "name": "mock-api",
-  "version": "3.8.2",
+  "version": "3.9.0",
   "description": "mock api for EMS-ESP",
   "author": "proddy, emsesp.org",
   "license": "MIT",
@@ -15,5 +15,5 @@
     "itty-router": "^5.0.23",
     "prettier": "^3.8.3"
   },
-  "packageManager": "pnpm@10.33.0+sha512.10568bb4a6afb58c9eb3630da90cc9516417abebd3fabbe6739f0ae795728da1491e9db5a544c76ad8eb7570f5c4bb3d6c637b2cb41bfdcdb47fa823c8649319"
+  "packageManager": "pnpm@10.33.3+sha512.a19744364a7e248b92657a4ca5973f9354d21caf982579674b1c539f32c7420c47138ad8b1254df07aba9bc782d9b3029e3db34d5dbff974326eb74dac8ff489"
 }

mock-api/pnpm-lock.yaml

@@ -46,8 +46,8 @@ packages:
     resolution: {integrity: sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q==}
     engines: {node: '>=6.9.0'}
 
-  '@babel/parser@7.29.2':
-    resolution: {integrity: sha512-4GgRzy/+fsBa72/RZVJmGKPmZu9Byn8o4MoLpmNe1m8ZfYnz5emHLQz3U4gLud6Zwl0RZIcgiLD7Uq7ySFuDLA==}
+  '@babel/parser@7.29.3':
+    resolution: {integrity: sha512-b3ctpQwp+PROvU/cttc4OYl4MzfJUWy6FZg+PMXfzmt/+39iHVF0sDfqay8TQM3JA2EUOyKcFZt75jWriQijsA==}
     engines: {node: '>=6.0.0'}
     hasBin: true
 
@@ -185,7 +185,7 @@ snapshots:
 
   '@babel/generator@7.29.1':
     dependencies:
-      '@babel/parser': 7.29.2
+      '@babel/parser': 7.29.3
       '@babel/types': 7.29.0
       '@jridgewell/gen-mapping': 0.3.13
       '@jridgewell/trace-mapping': 0.3.31
@@ -197,14 +197,14 @@ snapshots:
 
   '@babel/helper-validator-identifier@7.28.5': {}
 
-  '@babel/parser@7.29.2':
+  '@babel/parser@7.29.3':
     dependencies:
       '@babel/types': 7.29.0
 
   '@babel/template@7.28.6':
     dependencies:
       '@babel/code-frame': 7.29.0
-      '@babel/parser': 7.29.2
+      '@babel/parser': 7.29.3
       '@babel/types': 7.29.0
 
   '@babel/traverse@7.29.0':
@@ -212,7 +212,7 @@ snapshots:
       '@babel/code-frame': 7.29.0
       '@babel/generator': 7.29.1
       '@babel/helper-globals': 7.28.0
-      '@babel/parser': 7.29.2
+      '@babel/parser': 7.29.3
       '@babel/template': 7.28.6
       '@babel/types': 7.29.0
       debug: 4.4.3
@@ -249,7 +249,7 @@ snapshots:
   '@trivago/prettier-plugin-sort-imports@6.0.2(prettier@3.8.3)':
     dependencies:
       '@babel/generator': 7.29.1
-      '@babel/parser': 7.29.2
+      '@babel/parser': 7.29.3
       '@babel/traverse': 7.29.0
       '@babel/types': 7.29.0
       javascript-natural-sort: 0.7.1

mock-api/restServer.ts

@@ -6,7 +6,6 @@ const router = AutoRouter();
 
 const REST_ENDPOINT_ROOT = '/rest/';
 const API_ENDPOINT_ROOT = '/api/';
-const GH_ENDPOINT_ROOT = '/gh/'; // for mock GitHub API for version checking
 
 // HTTP HEADERS for msgpack
 const headers = {
@@ -128,7 +127,7 @@ let system_status = {
     }
   ],
   // partitions: [],
-  developer_mode: true,
+  developer_mode: settings.developer_mode,
   model: '',
   board: '',
   // model: 'BBQKees Electronics EMS Gateway E32 V2 (E32 V2.0 P3/2024011)',
@@ -142,13 +141,13 @@ let DEV_VERSION_IS_UPGRADEABLE: boolean;
 let STABLE_VERSION_IS_UPGRADEABLE: boolean;
 let THIS_VERSION: string;
 let LATEST_STABLE_VERSION = '3.8.2';
-let LATEST_DEV_VERSION = '3.8.3-dev.2';
+let LATEST_DEV_VERSION = '3.9.0-dev.1';
 
 // scenarios for testing versioning
-let version_test = 0; // on latest stable, or switch to dev
+// let version_test = 0; // on latest stable, or switch to dev
 // let version_test = 1; // on latest dev, or switch back to stable
 // let version_test = 2; // upgrade an older stable to latest stable or switch to latest dev
-// let version_test = 3; // upgrade dev to latest, or switch to stable
+let version_test = 3; // upgrade dev to latest, or switch to stable
 // let version_test = 4; // downgrade to an older dev, or switch back to stable
 
 switch (version_test as number) {
@@ -403,48 +402,78 @@ function upgradeImportantMessages(version: string) {
 
   // see if its a filename with a .bin extension
   if (version.endsWith('.bin')) {
-    upgradeImportantMessageType_n = 1; // 1 means 3.9 and factory reset required
+    upgradeImportantMessageType_n = 1; // make it 1, for testing, meaning factory reset required
   } else if (version.endsWith('.md')) {
-    upgradeImportantMessageType_n = 0;
+    upgradeImportantMessageType_n = 0; // use default 0, no message
   } else {
     // this is a version string like "3.9.0"
-    upgradeImportantMessageType_n = 2;
+    // upgradeImportantMessageType_n = 2; // make it 2, for testing, meaning a major version upgrade
+    upgradeImportantMessageType_n = 1; // make it 1, for testing, meaning a factory reset is required
   }
 
-  console.log('upgradeImportantMessageType: ' + upgradeImportantMessageType_n);
+  console.log(
+    'upgradeImportantMessageType: version=' +
+      version +
+      ' type=' +
+      upgradeImportantMessageType_n
+  );
   return { upgradeImportantMessageType: upgradeImportantMessageType_n };
 }
 
-// called by Action endpoint checkUpgrade
-function check_upgrade(version: string) {
-  let data = {};
-  if (version) {
-    const dev_version = version.split(',')[0];
-    const stable_version = version.split(',')[1];
+// called by Action endpoint getVersions
+// Set MOCK_OFFLINE = true to simulate a device with no internet (omits stable/dev).
+const MOCK_OFFLINE = false;
+function get_versions() {
+  const isDev = THIS_VERSION.includes('dev');
+  const currentUpgradeable =
+    !MOCK_OFFLINE &&
+    (isDev ? DEV_VERSION_IS_UPGRADEABLE : STABLE_VERSION_IS_UPGRADEABLE);
 
-    console.log(
-      'Upgrade this version (' +
-        THIS_VERSION +
-        ') to dev (' +
-        dev_version +
-        ') is ' +
-        (DEV_VERSION_IS_UPGRADEABLE ? 'YES' : 'NO') +
-        ' and to stable (' +
-        stable_version +
-        ') is ' +
-        (STABLE_VERSION_IS_UPGRADEABLE ? 'YES' : 'NO')
-    );
-    data = {
-      emsesp_version: THIS_VERSION,
-      dev_upgradeable: DEV_VERSION_IS_UPGRADEABLE,
-      stable_upgradeable: STABLE_VERSION_IS_UPGRADEABLE
+  const data: {
+    current: {
+      version: string;
+      type: 'stable' | 'dev';
+      date: string;
+      upgradeable: boolean;
     };
-  } else {
-    console.log('requesting ems-esp version (' + THIS_VERSION + ')');
-    data = {
-      emsesp_version: THIS_VERSION
+    stable?: { version: string; date: string; upgradeable: boolean };
+    dev?: { version: string; date: string; upgradeable: boolean };
+  } = {
+    current: {
+      version: THIS_VERSION,
+      type: isDev ? 'dev' : 'stable',
+      date: '2026-04-25T12:00:00',
+      upgradeable: currentUpgradeable
+    }
+  };
+
+  if (!MOCK_OFFLINE) {
+    data.stable = {
+      version: LATEST_STABLE_VERSION,
+      date: '2026-04-25',
+      upgradeable: STABLE_VERSION_IS_UPGRADEABLE
+    };
+    data.dev = {
+      version: LATEST_DEV_VERSION,
+      date: '2026-04-25',
+      upgradeable: DEV_VERSION_IS_UPGRADEABLE
     };
   }
+
+  console.log(
+    'getVersions: current=' +
+      THIS_VERSION +
+      ' stable=' +
+      LATEST_STABLE_VERSION +
+      ' (upgradeable=' +
+      (STABLE_VERSION_IS_UPGRADEABLE ? 'YES' : 'NO') +
+      ') dev=' +
+      LATEST_DEV_VERSION +
+      ' (upgradeable=' +
+      (DEV_VERSION_IS_UPGRADEABLE ? 'YES' : 'NO') +
+      ')' +
+      (MOCK_OFFLINE ? ' [offline]' : '')
+  );
   return data;
 }
 
@@ -4579,6 +4608,7 @@ router
   .post(EMSESP_SETTINGS_ENDPOINT, async (request: any) => {
     settings = await request.json();
     console.log('application settings saved', settings);
+    system_status.developer_mode = settings.developer_mode;
     return status(200); // no restart needed
     // return status(205); // reboot required
   })
@@ -5172,13 +5202,9 @@ router
       } else if (action === 'getCustomSupport') {
         // send custom support
         return custom_support();
-      } else if (action === 'checkUpgrade') {
-        // check upgrade
-        // check if content has a param
-        if (!content.param) {
-          return check_upgrade('');
-        }
-        return check_upgrade(content.param);
+      } else if (action === 'getVersions') {
+        // get versions
+        return get_versions();
       } else if (action === 'uploadURL') {
         // upload URL
         console.log('upload File from URL', content.param);
@@ -5233,27 +5259,6 @@ router
     return status(404); // not found
   });
 
-// Mock GitHub API
-// https://api.github.com/repos/emsesp/EMS-ESP32/releases
-
-router
-  .get(GH_ENDPOINT_ROOT + '/tags/latest', () => {
-    const data = {
-      name: 'v' + LATEST_DEV_VERSION,
-      published_at: new Date().toISOString() // use todays date
-    };
-    console.log('returning latest development version (today): ', data);
-    return data;
-  })
-  .get(GH_ENDPOINT_ROOT + '/latest', () => {
-    const data = {
-      name: 'v' + LATEST_STABLE_VERSION,
-      published_at: '2025-03-01T13:29:13.999Z'
-    };
-    console.log('returning latest stable version: ', data);
-    return data;
-  });
-
 // const logger: ResponseHandler = (response, request) => {
 //   console.log(
 //     response.status,

platformio.ini

@@ -39,7 +39,7 @@ build_flags =
   -D CONFIG_ASYNC_TCP_PRIORITY=10 ; default
   -D CONFIG_ASYNC_TCP_QUEUE_SIZE=64 ; default
   -D CONFIG_ASYNC_TCP_RUNNING_CORE=1 ; force async_tcp task to be on same core as Arduino app (default is any core)
-  -D CONFIG_ASYNC_TCP_STACK_SIZE=6144 ; default is 16KB/8192*2
+  -D CONFIG_ASYNC_TCP_STACK_SIZE=8192 ; default is 16KB/8192*2
   ; ESPAsyncWebServer
   ; -D WS_MAX_QUEUED_MESSAGES=0 ; not used, default 8
   ; -D SSE_MAX_QUEUED_MESSAGES=1 ; for log messages, default 32
@@ -91,8 +91,8 @@ board_build.filesystem = littlefs
 lib_deps =
   bblanchon/ArduinoJson @ 7.4.3
   ESP32Async/AsyncTCP @ 3.4.10
-  ESP32Async/ESPAsyncWebServer @ 3.10.3
-  https://github.com/mobizt/ReadyMail.git @ 0.3.8
+  ESP32Async/ESPAsyncWebServer @ 3.11.0
+  https://github.com/mobizt/ReadyMail.git @ 0.4.0
   https://github.com/mobizt/ESP_SSLClient.git @ 3.1.3
   ; https://github.com/emsesp/EMS-ESP-Modules.git @ 1.0.8
 
@@ -178,7 +178,6 @@ build_src_flags =
   -I./lib/uuid-common/src
   -I./lib/uuid-console/src
   -I./lib/uuid-log/src
-  -I./lib/semver
   -I./lib/PButton
   -I./lib/espMqttClient/src
   -I./lib/espMqttClient/src/Transport
@@ -219,7 +218,6 @@ build_src_flags =
   -I./lib/uuid-common/src
   -I./lib/uuid-console/src
   -I./lib/uuid-log/src
-  -I./lib/semver
   -I./lib/PButton
   -I./lib/espMqttClient/src
   -I./lib/espMqttClient/src/Transport

project-words.txt

@@ -1330,4 +1330,10 @@ zyxwvutsrqponmlkjihgfedcba
 öffnen
 česky
 živanović
-MWDT
+MWDT
+juststopped
+handshaked
+startm
+netifs
+testemail
+sendemail