feat(home): add drag file to chat input, add settings config API

api/core/settings/routes.ts

@@ -51,4 +51,13 @@ router.post(
   }),
 )
 
+router.get(
+  '/config',
+  asyncHandler(async (req: Request, res: Response) => {
+    successResponse(res, {
+      notebookRoot: NOTEBOOK_ROOT,
+    })
+  }),
+)
+
 export default router

src/components/chat/Chat.tsx

@@ -13,6 +13,8 @@ import { Messages } from './Messages'
 import { MultimodalInput } from './MultimodalInput'
 import { generateUUID } from '@/lib/utils'
 import { Eraser } from 'lucide-react'
+import { useDragStore } from '@/stores/dragStore'
+import { getSettingsConfig } from '@/lib/api'
 
 type Status = 'submitted' | 'streaming' | 'ready' | 'error'
 
@@ -51,6 +53,49 @@ export function Chat({
   const [status, setStatus] = useState<Status>('ready')
   const [attachments, setAttachments] = useState<Attachment[]>([])
   const [showInputAtBottom, setShowInputAtBottom] = useState(false)
+  const [notebookRoot, setNotebookRoot] = useState<string>('')
+  const { state: dragState } = useDragStore()
+
+  useEffect(() => {
+    getSettingsConfig().then(config => {
+      // 统一 notebookRoot 的斜杠
+      const normalizedRoot = (config.notebookRoot || '').replace(/\\/g, '/')
+      setNotebookRoot(normalizedRoot)
+    }).catch(e => {
+      console.error('Failed to get notebook root:', e)
+    })
+  }, [])
+
+  const handleDrop = useCallback((e: React.DragEvent) => {
+    e.preventDefault()
+    e.stopPropagation()
+    
+    // 优先从 dragStore 获取
+    let { draggedPath, draggedType } = dragState
+    
+    // 如果 dragStore 为空，尝试从 dataTransfer 获取
+    if (!draggedPath) {
+      draggedPath = e.dataTransfer.getData('text/plain')
+    }
+    
+    if (draggedPath) {
+      // 统一路径中的斜杠，并拼接完整路径，用【】包围
+      const normalizedPath = draggedPath.replace(/\\/g, '/')
+      const fullPath = notebookRoot ? `${notebookRoot}/${normalizedPath}` : normalizedPath
+      const pathWithBrackets = `【${fullPath}】`
+      setInput(prev => prev + pathWithBrackets)
+      
+      // 延迟聚焦输入框
+      setTimeout(() => {
+        const textarea = document.querySelector('textarea') as HTMLTextAreaElement
+        textarea?.focus()
+      }, 0)
+    }
+  }, [dragState, notebookRoot])
+
+  const handleDragOver = useCallback((e: React.DragEvent) => {
+    e.preventDefault()
+  }, [])
 
   const scrollToBottom = useCallback(() => {
     messagesEndRef.current?.scrollIntoView({ behavior: 'auto' })
@@ -211,6 +256,8 @@ export function Chat({
             setInput={setInput}
             status={status}
             stop={handleStop}
+            onDrop={handleDrop}
+            onDragOver={handleDragOver}
           />
         </div>
       </div>

src/components/chat/Greeting.tsx

@@ -1,6 +1,6 @@
 export function Greeting() {
   return (
-    <div className="mx-auto mt-64 max-w-2xl px-4 text-center">
+    <div className="mx-auto mt-60 max-w-2xl px-4 text-center">
       <h1 className="text-3xl font-bold tracking-tight">
         开始今天的工作吧！
       </h1>

src/components/chat/MultimodalInput.tsx

@@ -30,6 +30,8 @@ interface MultimodalInputProps {
   messages: ChatMessage[]
   sendMessage: (text: string, attachments: Attachment[]) => Promise<void>
   className?: string
+  onDrop?: (e: React.DragEvent) => void
+  onDragOver?: (e: React.DragEvent) => void
 }
 
 export function MultimodalInput({
@@ -42,6 +44,8 @@ export function MultimodalInput({
   setAttachments,
   sendMessage,
   className,
+  onDrop,
+  onDragOver,
 }: MultimodalInputProps) {
   const textareaRef = useRef<HTMLTextAreaElement>(null)
 
@@ -135,6 +139,14 @@ export function MultimodalInput({
           value={input}
           onChange={handleInput}
           onKeyDown={handleKeyDown}
+          onDrop={(e) => {
+            e.preventDefault()
+            onDrop?.(e)
+          }}
+          onDragOver={(e) => {
+            e.preventDefault()
+            onDragOver?.(e)
+          }}
           placeholder="发送消息..."
           rows={1}
         />

src/lib/api/client.ts

@@ -83,6 +83,10 @@ export const getSettings = async (): Promise<Settings> => {
   return await fetchApi<Settings>('/api/settings')
 }
 
+export const getSettingsConfig = async (): Promise<{ notebookRoot: string }> => {
+  return await fetchApi<{ notebookRoot: string }>('/api/settings/config')
+}
+
 export const saveSettings = async (settings: Settings): Promise<Settings> => {
   return await fetchApi<Settings>('/api/settings', {
     method: 'POST',

src/lib/api/index.ts

@@ -13,6 +13,7 @@ export {
   renameItem,
   runAiTask,
   getSettings,
+  getSettingsConfig,
   saveSettings,
   uploadPdfForParsing,
   parseLocalHtml,