feat: add configurable client tools and photo input

frontend/src/components/assistant-editor/debug-preview.tsx

@@ -12,6 +12,7 @@ import {
   Mic,
   Orbit,
   PhoneOff,
+  ScanLine,
   Send,
   Smartphone,
   Sparkles,
@@ -43,6 +44,7 @@ import { Textarea } from "@/components/ui/textarea";
 import { WaveVisualizer } from "@/components/ui/wave-visualizer";
 import { WaveformTimelinePanel } from "@/components/ui/waveform-timeline";
 import { useCameraPreview, type CameraPreview } from "@/hooks/use-camera-preview";
+import { usePhotoCaptureTool } from "@/hooks/use-photo-capture-tool";
 import {
   useVoicePreview,
   type ChatMessage,
@@ -626,6 +628,7 @@ function DebugVoicePanel({
   dynamicVariables: Record<string, string | number | boolean>;
   dynamicVariablesError: string;
 }) {
+  const photoCapture = usePhotoCaptureTool(preview);
   const {
     status,
     error,
@@ -689,6 +692,10 @@ function DebugVoicePanel({
           recording={recording}
           camera={camera}
           videoStream={preview.videoStream}
+          photoCaptureVisible={photoCapture.visible}
+          photoCapturing={photoCapture.capturing}
+          photoError={photoCapture.error}
+          onPhotoCapture={photoCapture.capture}
         />
       ) : view === "video" ? (
         showIdleHub ? (
@@ -966,6 +973,10 @@ function DebugVisionWorkspace({
   recording,
   camera,
   videoStream,
+  photoCaptureVisible,
+  photoCapturing,
+  photoError,
+  onPhotoCapture,
 }: {
   view: DebugView;
   onViewChange: (view: DebugView) => void;
@@ -973,6 +984,10 @@ function DebugVisionWorkspace({
   recording: boolean;
   camera: CameraPreview;
   videoStream: MediaStream | null;
+  photoCaptureVisible: boolean;
+  photoCapturing: boolean;
+  photoError: string | null;
+  onPhotoCapture: () => Promise<void>;
 }) {
   const containerRef = useRef<HTMLDivElement>(null);
   const [position, setPosition] = useState({ x: 16, y: 16 });
@@ -1038,6 +1053,14 @@ function DebugVisionWorkspace({
             </span>
           </span>
         </button>
+        {photoCaptureVisible && (
+          <DebugPhotoCaptureButton
+            capturing={photoCapturing}
+            enabled={Boolean(videoStream)}
+            error={photoError}
+            onCapture={onPhotoCapture}
+          />
+        )}
       </div>
     );
   }
@@ -1074,6 +1097,51 @@ function DebugVisionWorkspace({
       >
         <DebugVideoPanel camera={camera} streamOverride={videoStream} compact />
       </button>
+      {photoCaptureVisible && (
+        <DebugPhotoCaptureButton
+          capturing={photoCapturing}
+          enabled={Boolean(videoStream)}
+          error={photoError}
+          onCapture={onPhotoCapture}
+        />
+      )}
+    </div>
+  );
+}
+
+function DebugPhotoCaptureButton({
+  capturing,
+  enabled,
+  error,
+  onCapture,
+}: {
+  capturing: boolean;
+  enabled: boolean;
+  error: string | null;
+  onCapture: () => Promise<void>;
+}) {
+  return (
+    <div className="absolute bottom-4 left-1/2 z-20 flex -translate-x-1/2 flex-col items-center gap-2">
+      {error && (
+        <div className="max-w-xs rounded-full border border-destructive/20 bg-background/90 px-3 py-1 text-xs text-destructive shadow-sm backdrop-blur">
+          {error}
+        </div>
+      )}
+      <Button
+        type="button"
+        size="icon"
+        onClick={() => void onCapture()}
+        disabled={capturing || !enabled}
+        aria-label={capturing ? "正在提交照片" : "拍照并发送"}
+        title={capturing ? "正在提交照片" : "拍照并发送"}
+        className="size-12 rounded-full shadow-lg"
+      >
+        {capturing ? (
+          <Loader2 className="size-5 animate-spin" />
+        ) : (
+          <ScanLine className="size-5" />
+        )}
+      </Button>
     </div>
   );
 }
@@ -1250,4 +1318,3 @@ function DebugTranscriptPanel({
     </div>
   );
 }
-