refactor: update file path handling and enhance image support logic in mini window

- Changed file path retrieval method in MessageAttachments component.
- Initialized filesPath in MiniWindowApp using Redux dispatch.
- Enhanced image support checks in HomeWindow to conditionally allow image file types based on the assistant model.

src/renderer/src/pages/home/Messages/MessageAttachments.tsx

@@ -36,7 +36,7 @@ const MessageAttachments: FC<Props> = ({ block }) => {
         fileList={[
           {
             uid: block.file.id,
-            url: 'file://' + FileManager.getSafePath(block.file),
+            url: 'file://' + FileManager.getFilePath(block.file),
             status: 'done' as const,
             name: FileManager.formatFileName(block.file),
             type: block.file.type,

src/renderer/src/windows/mini/MiniWindowApp.tsx

@@ -3,7 +3,8 @@ import '@renderer/databases'
 import { ErrorBoundary } from '@renderer/components/ErrorBoundary'
 import { getToastUtilities } from '@renderer/components/TopView/toast'
 import { useSettings } from '@renderer/hooks/useSettings'
-import store, { persistor } from '@renderer/store'
+import store, { persistor, useAppDispatch } from '@renderer/store'
+import { setFilesPath } from '@renderer/store/runtime'
 import { useEffect } from 'react'
 import { Provider } from 'react-redux'
 import { PersistGate } from 'redux-persist/integration/react'
@@ -16,6 +17,14 @@ import HomeWindow from './home/HomeWindow'
 // Inner component that uses the hook after Redux is initialized
 function MiniWindowContent(): React.ReactElement {
   const { customCss } = useSettings()
+  const dispatch = useAppDispatch()
+
+  // Initialize filesPath for mini window (same as useAppInit in main window)
+  useEffect(() => {
+    window.api.getAppInfo().then((info) => {
+      dispatch(setFilesPath(info.filesPath))
+    })
+  }, [dispatch])
 
   useEffect(() => {
     let customCssElement = document.getElementById('user-defined-custom-css') as HTMLStyleElement

src/renderer/src/windows/mini/home/HomeWindow.tsx

@@ -1,5 +1,6 @@
 import { loggerService } from '@logger'
 import { isMac } from '@renderer/config/constant'
+import { isGenerateImageModel, isVisionModel } from '@renderer/config/models'
 import { useTheme } from '@renderer/context/ThemeProvider'
 import { useAssistant } from '@renderer/hooks/useAssistant'
 import { useSettings } from '@renderer/hooks/useSettings'
@@ -77,7 +78,18 @@ const HomeWindow: FC<{ draggable?: boolean }> = ({ draggable = true }) => {
   const inputBarRef = useRef<HTMLDivElement>(null)
   const featureMenusRef = useRef<FeatureMenusRef>(null)
 
-  const supportedImageExts = useMemo(() => ['.png', '.jpg', '.jpeg', '.gif', '.bmp', '.webp'], [])
+  // 检查当前助手的模型是否支持图片（复用主窗口逻辑）
+  const isVisionSupported = useMemo(() => isVisionModel(currentAssistant.model), [currentAssistant.model])
+  const isGenerateImageSupported = useMemo(() => isGenerateImageModel(currentAssistant.model), [currentAssistant.model])
+  const canAddImageFile = useMemo(
+    () => isVisionSupported || isGenerateImageSupported,
+    [isVisionSupported, isGenerateImageSupported]
+  )
+
+  const supportedImageExts = useMemo(
+    () => (canAddImageFile ? ['.png', '.jpg', '.jpeg', '.gif', '.bmp', '.webp'] : []),
+    [canAddImageFile]
+  )
 
   const referenceText = useMemo(() => clipboardText || userInputText, [clipboardText, userInputText])
 
@@ -223,6 +235,8 @@ const HomeWindow: FC<{ draggable?: boolean }> = ({ draggable = true }) => {
 
   const handlePaste = useCallback(
     async (event: React.ClipboardEvent<HTMLInputElement>) => {
+      // 复用 PasteService，根据 supportedImageExts 自动过滤不支持的文件类型
+      // 当模型不支持图片时，supportedImageExts 为空数组，PasteService 会显示提示
       await PasteService.handlePaste(
         event.nativeEvent,
         supportedImageExts,