move ThemeProvider and ThemeToggle components

lightrag_webui/src/App.tsx

@@ -1,5 +1,5 @@
 import { useState, useCallback } from 'react'
-import ThemeProvider from '@/components/graph/ThemeProvider'
+import ThemeProvider from '@/components/ThemeProvider'
 import MessageAlert from '@/components/MessageAlert'
 import ApiKeyAlert from '@/components/ApiKeyAlert'
 import StatusIndicator from '@/components/graph/StatusIndicator'

lightrag_webui/src/features/SiteHeader.tsx

@@ -1,6 +1,6 @@
 import Button from '@/components/ui/Button'
 import { SiteInfo } from '@/lib/constants'
-import ThemeToggle from '@/components/graph/ThemeToggle'
+import ThemeToggle from '@/components/ThemeToggle'
 import { TabsList, TabsTrigger } from '@/components/ui/Tabs'
 import { useSettingsStore } from '@/stores/settings'
 import { cn } from '@/lib/utils'

lightrag_webui/src/hooks/useTheme.tsx

@@ -1,5 +1,5 @@
 import { useContext } from 'react'
-import { ThemeProviderContext } from '@/components/graph/ThemeProvider'
+import { ThemeProviderContext } from '@/components/ThemeProvider'
 
 const useTheme = () => {
   const context = useContext(ThemeProviderContext)