fix: integrate PermissionPrompt dialog into chat UI

- Add PermissionPrompt component to chat page
- Detect request_permission tool calls and show dialog
- Extract path and command from tool call arguments
- Fix TypeScript errors (null check, unused variable)
- Fix locale files (trailing comma errors)

web/frontend/src/components/chat/chat-page.tsx

@@ -25,6 +25,7 @@ import type { ConnectionState } from "@/store/chat"
 import type { ChatAttachment } from "@/store/chat"
 import { showAssistantDetailsAtom } from "@/store/chat"
 import type { GatewayState } from "@/store/gateway"
+import { PermissionPrompt } from "@/components/permission/PermissionPrompt"
 
 const MAX_IMAGE_SIZE_BYTES = 7 * 1024 * 1024
 const MAX_IMAGE_SIZE_LABEL = "7 MB"
@@ -115,6 +116,11 @@ export function ChatPage() {
   const [showAssistantDetails, setShowAssistantDetails] = useAtom(
     showAssistantDetailsAtom,
   )
+  const [permissionRequest, setPermissionRequest] = useState<{
+    toolName: string
+    path: string
+    originalCommand: string
+  } | null>(null)
 
   const {
     messages,
@@ -191,6 +197,45 @@ export function ChatPage() {
     }
   }
 
+  // Check for permission requests in messages
+  useEffect(() => {
+    if (permissionRequest) return // Already showing a permission prompt
+
+    // Check the last few messages for request_permission tool calls
+    for (let i = messages.length - 1; i >= Math.max(0, messages.length - 5); i--) {
+      const msg = messages[i]
+      if (msg.role !== "assistant") continue
+      if (!msg.toolCalls) continue
+
+      const permCall = msg.toolCalls.find(
+        (tc) => tc.function?.name === "request_permission"
+      )
+      if (!permCall || !permCall.function) continue
+
+      try {
+        const args = JSON.parse(permCall.function.arguments ?? "{}")
+        if (args.path && args.command) {
+          setPermissionRequest({
+            toolName: "request_permission",
+            path: args.path,
+            originalCommand: args.command,
+          })
+          return
+        }
+      } catch {
+        // Ignore parse errors
+      }
+    }
+  }, [messages, permissionRequest])
+
+  const handlePermissionGranted = () => {
+    setPermissionRequest(null)
+  }
+
+  const handlePermissionDenied = () => {
+    setPermissionRequest(null)
+  }
+
   const handleAddImages = () => {
     if (!canInput) return
     fileInputRef.current?.click()
@@ -324,6 +369,18 @@ export function ChatPage() {
             />
           )}
 
+          {permissionRequest && (
+            <div className="flex w-full">
+              <PermissionPrompt
+                toolName={permissionRequest.toolName}
+                path={permissionRequest.path}
+                originalCommand={permissionRequest.originalCommand}
+                onPermissionGranted={handlePermissionGranted}
+                onPermissionDenied={handlePermissionDenied}
+              />
+            </div>
+          )}
+
           {messages.map((msg) => {
             if (
               !showAssistantDetails &&

web/frontend/src/i18n/locales/en.json

@@ -49,7 +49,7 @@
       "websocketConnecting": "Connecting to chat service... Please wait.",
       "websocketDisconnected": "Unable to chat: WebSocket connection is disconnected. Check network and gateway status, then refresh the page or restart Launcher.",
       "websocketError": "Unable to chat: WebSocket connection failed. Check network and gateway status, then retry.",
-      "noDefaultModel": "Unable to chat: No default model is selected. Set a default model on the Models page."
+      "noDefaultModel": "Unable to chat: No default model is selected. Set a default model on the Models page.",
     "permissionRequiredTitle": "Permission Required",
     "permissionRequiredMessage": "PicoClaw wants to use {{tool}} to access {{path}} which is outside your workspace.",
     "commandToExecute": "Command to execute:",
@@ -58,8 +58,8 @@
     "permissionSession": "Allow for session",
     "permissionGrantedOnce": "Permission granted for one-time access to {{path}}",
     "permissionGrantedSession": "Permission granted for session access to {{path}}",
-    "permissionDenied": "Permission denied for {{path}}",
+      "permissionDenied": "Permission denied for {{path}}",
-    "permissionError": "An error occurred while handling the permission request.",
+      "permissionError": "An error occurred while handling the permission request."
     },
     "newChat": "New Chat",
     "notConnected": "Gateway is not running. Start it to chat.",

web/frontend/src/i18n/locales/zh.json

@@ -49,7 +49,7 @@
       "websocketConnecting": "正在连接聊天服务，请稍候。",
       "websocketDisconnected": "无法对话：WebSocket 连接已断开。请检查网络与服务状态，然后刷新页面或重启 Launcher。",
       "websocketError": "无法对话：WebSocket 连接失败。请检查网络与服务状态后重试。",
-      "noDefaultModel": "无法对话：尚未设置默认模型。请前往模型页面设置默认模型。"
+      "noDefaultModel": "无法对话：尚未设置默认模型。请前往模型页面设置默认模型。",
     "permissionRequiredTitle": "需要权限",
     "permissionRequiredMessage": "PicoClaw 想要使用 {{tool}} 访问 {{path}}，但该路径位于工作区之外。",
     "commandToExecute": "要执行的命令:",
@@ -58,8 +58,8 @@
     "permissionSession": "允许整个会话",
     "permissionGrantedOnce": "已授予对 {{path}} 的一次性访问权限",
     "permissionGrantedSession": "已授予对 {{path}} 的会话访问权限",
-    "permissionDenied": "已拒绝对 {{path}} 的访问权限",
+      "permissionDenied": "已拒绝对 {{path}} 的访问权限",
-    "permissionError": "处理权限请求时发生错误。",
+      "permissionError": "处理权限请求时发生错误。"
     },
     "newChat": "新建对话",
     "notConnected": "服务未运行，请先启动以进行对话。",