a version use tools to askImportantQuestion and askImageCapture

src/components/chat/ChatMessageInput.tsx

@@ -6,6 +6,7 @@ type ChatMessageInput = {
   accentColor: string;
   height: number;
   onSend?: (message: string) => void;
+  disabled?: boolean;
 };
 
 export const ChatMessageInput = ({
@@ -13,6 +14,7 @@ export const ChatMessageInput = ({
   accentColor,
   height,
   onSend,
+  disabled = false,
 }: ChatMessageInput) => {
   const [message, setMessage] = useState("");
   const [inputTextWidth, setInputTextWidth] = useState(0);
@@ -79,7 +81,8 @@ export const ChatMessageInput = ({
         ></div>
         <input
           ref={inputRef}
-          className={`w-full text-xs caret-transparent bg-transparent opacity-25 text-gray-300 p-2 pr-6 rounded-sm focus:opacity-100 focus:outline-none focus:border-${accentColor}-700 focus:ring-1 focus:ring-${accentColor}-700`}
+          disabled={disabled}
+          className={`w-full text-xs caret-transparent bg-transparent opacity-25 text-gray-300 p-2 pr-6 rounded-sm focus:opacity-100 focus:outline-none focus:border-${accentColor}-700 focus:ring-1 focus:ring-${accentColor}-700 disabled:opacity-10 disabled:cursor-not-allowed`}
           style={{
             paddingLeft: message.length > 0 ? "12px" : "24px",
             caretShape: "block",
@@ -108,11 +111,11 @@ export const ChatMessageInput = ({
           {message.replaceAll(" ", "\u00a0")}
         </span>
         <button
-          disabled={message.length === 0 || !onSend}
+          disabled={disabled || message.length === 0 || !onSend}
           onClick={handleSend}
           className={`text-xs uppercase text-${accentColor}-500 hover:bg-${accentColor}-950 p-2 rounded-md opacity-${
-            message.length > 0 ? 100 : 25
-          } pointer-events-${message.length > 0 ? "auto" : "none"}`}
+            !disabled && message.length > 0 ? 100 : 25
+          } pointer-events-${!disabled && message.length > 0 ? "auto" : "none"}`}
         >
           Send
         </button>

src/components/chat/ChatTile.tsx

@@ -16,9 +16,10 @@ type ChatTileProps = {
   messages: ChatMessageType[];
   accentColor: string;
   onSend?: (message: string) => Promise<ComponentsChatMessage>;
+  inputDisabled?: boolean;
 };
 
-export const ChatTile = ({ messages, accentColor, onSend }: ChatTileProps) => {
+export const ChatTile = ({ messages, accentColor, onSend, inputDisabled }: ChatTileProps) => {
   const containerRef = useRef<HTMLDivElement>(null);
   useEffect(() => {
     if (containerRef.current) {
@@ -30,7 +31,7 @@ export const ChatTile = ({ messages, accentColor, onSend }: ChatTileProps) => {
     <div className="flex flex-col gap-4 w-full h-full">
       <div
         ref={containerRef}
-        className="overflow-y-auto"
+        className="overflow-y-auto select-text"
         style={{
           height: `calc(100% - ${inputHeight}px)`,
         }}
@@ -58,6 +59,7 @@ export const ChatTile = ({ messages, accentColor, onSend }: ChatTileProps) => {
         placeholder="Type a message"
         accentColor={accentColor}
         onSend={onSend}
+        disabled={inputDisabled}
       />
     </div>
   );

src/components/playground/PhoneSimulator.tsx

@@ -18,17 +18,29 @@ import { useToast } from "@/components/toast/ToasterProvider";
 export interface PhoneSimulatorProps {
     onConnect: () => void;
     onDisconnect: () => void;
-    phoneMode?: "normal" | "capture";
+    phoneMode?: "normal" | "capture" | "important_message" | "hand_off";
     onCapture?: (image: File) => void;
     capturePrompt?: string;
+    importantMessage?: string;
+    importantMessageOptions?: string[];
+    onImportantMessageAction?: (text: string) => void;
 }
 
-export function PhoneSimulator({ onConnect, onDisconnect, phoneMode = "normal", onCapture, capturePrompt }: PhoneSimulatorProps) {
+export function PhoneSimulator({ 
+    onConnect, 
+    onDisconnect, 
+    phoneMode = "normal", 
+    onCapture, 
+    capturePrompt,
+    importantMessage,
+    importantMessageOptions,
+    onImportantMessageAction
+}: PhoneSimulatorProps) {
   const { config, setUserSettings } = useConfig();
   const { setToastMessage } = useToast();
   const room = useRoomContext();
   const roomState = useConnectionState();
-  const { localParticipant } = useLocalParticipant();
+  const { localParticipant, isMicrophoneEnabled: isMicEnabled } = useLocalParticipant();
   const tracks = useTracks();
   const voiceAssistant = useVoiceAssistant();
   const fileInputRef = useRef<HTMLInputElement>(null);
@@ -43,6 +55,10 @@ export function PhoneSimulator({ onConnect, onDisconnect, phoneMode = "normal",
   const [processingSource, setProcessingSource] = useState<
     "camera" | "upload" | null
   >(null);
+  const MAX_UPLOAD_MB = 10;
+  const isAgentSpeaking = voiceAssistant.state === "speaking";
+  const wasMicEnabledRef = useRef(false);
+  const lastPhoneMode = useRef(phoneMode);
 
   useEffect(() => {
     const voiceAttr = config.settings.attributes?.find(a => a.key === "voice");
@@ -136,6 +152,40 @@ export function PhoneSimulator({ onConnect, onDisconnect, phoneMode = "normal",
     }
   }, [voiceAssistant.state]);
 
+  useEffect(() => {
+    const enteringMode = (mode: typeof phoneMode) =>
+      phoneMode === mode && lastPhoneMode.current !== mode;
+
+    // Entering important message / capture / hand_off: remember mic state and mute if needed
+    if (enteringMode("important_message") || enteringMode("capture") || enteringMode("hand_off")) {
+      wasMicEnabledRef.current = isMicEnabled;
+      if (isMicEnabled) {
+        localParticipant.setMicrophoneEnabled(false);
+      }
+    }
+    // Exiting important message mode or hand off mode or capture mode
+    else if (
+      (phoneMode !== "important_message" && lastPhoneMode.current === "important_message") ||
+      (phoneMode !== "hand_off" && lastPhoneMode.current === "hand_off") ||
+      (phoneMode !== "capture" && lastPhoneMode.current === "capture")
+    ) {
+      // Restore mic to previous state
+      localParticipant.setMicrophoneEnabled(wasMicEnabledRef.current);
+
+      // If exiting capture mode, clear processing image
+      if (lastPhoneMode.current === "capture") {
+          setProcessingImage(null);
+          setProcessingSource(null);
+      }
+    }
+    // Enforce mic off in important message mode, hand off mode, or capture mode
+    else if ((phoneMode === "important_message" || phoneMode === "hand_off" || phoneMode === "capture") && isMicEnabled) {
+      localParticipant.setMicrophoneEnabled(false);
+    }
+
+    lastPhoneMode.current = phoneMode;
+  }, [phoneMode, isMicEnabled, localParticipant]);
+
   useEffect(() => {
     const updateTime = () => {
       const now = new Date();
@@ -159,8 +209,6 @@ export function PhoneSimulator({ onConnect, onDisconnect, phoneMode = "normal",
     ({ source }) => source === Track.Source.Camera
   );
 
-  const isMicEnabled = localParticipant.isMicrophoneEnabled;
-
   const handleMicToggle = async () => {
     if (isMicEnabled) {
       await localParticipant.setMicrophoneEnabled(false);
@@ -173,6 +221,20 @@ export function PhoneSimulator({ onConnect, onDisconnect, phoneMode = "normal",
     onDisconnect();
   };
 
+  const validateImageFile = (file: File) => {
+    const isImage = file.type.startsWith("image/");
+    const isSizeOk = file.size > 0 && file.size <= MAX_UPLOAD_MB * 1024 * 1024;
+    return {
+      isValid: isImage && isSizeOk,
+      isImage,
+      isSizeOk,
+    };
+  };
+
+  const showErrorToast = (message: string) => {
+    setToastMessage({ message, type: "error" });
+  };
+
   const handleCapture = async () => {
     if (!localCameraTrack || !onCapture || isCapturing) return;
     setIsCapturing(true);
@@ -278,6 +340,14 @@ export function PhoneSimulator({ onConnect, onDisconnect, phoneMode = "normal",
             const file = new File([blob], "camera-capture.jpg", {
               type: "image/jpeg",
             });
+            const { isValid } = validateImageFile(file);
+            if (!isValid) {
+              setProcessingImage(null);
+              setProcessingSource(null);
+              showErrorToast(`请拍摄${MAX_UPLOAD_MB}MB以内的图片文件。`);
+              setIsCapturing(false);
+              return;
+            }
             onCapture(file);
           }
           setIsCapturing(false);
@@ -340,9 +410,17 @@ export function PhoneSimulator({ onConnect, onDisconnect, phoneMode = "normal",
   const handleFileChange = (event: React.ChangeEvent<HTMLInputElement>) => {
     const file = event.target.files?.[0];
     if (file && onCapture) {
-      onCapture(file);
-      setProcessingImage(URL.createObjectURL(file));
-      setProcessingSource("upload");
+      const { isValid, isImage, isSizeOk } = validateImageFile(file);
+      if (!isValid) {
+        const msg = !isImage
+          ? "请选择图片文件。"
+          : `请上传${MAX_UPLOAD_MB}MB以内的图片文件。`;
+        showErrorToast(msg);
+      } else {
+        onCapture(file);
+        setProcessingImage(URL.createObjectURL(file));
+        setProcessingSource("upload");
+      }
     }
     // Reset input so the same file can be selected again
     if (event.target) {
@@ -461,9 +539,26 @@ export function PhoneSimulator({ onConnect, onDisconnect, phoneMode = "normal",
         .scan-animation {
           animation: scan 3s linear infinite;
         }
+        @keyframes handoffPulse {
+          0%, 100% { 
+            opacity: 1;
+            transform: scale(1);
+          }
+          50% { 
+            opacity: 0.8;
+            transform: scale(1.05);
+          }
+        }
+        @keyframes handoffFade {
+          0%, 100% { opacity: 1; }
+          50% { opacity: 0.6; }
+        }
+        .handoff-animation {
+          animation: handoffPulse 2s ease-in-out infinite, handoffFade 2s ease-in-out infinite;
+        }
       `}</style>
       {/* Status Bar */}
-      <div className="h-12 w-full bg-black/20 absolute top-0 left-0 z-20 flex items-center justify-between px-6 text-white text-xs font-medium backdrop-blur-sm">
+      <div className="h-12 w-full bg-black/20 backdrop-blur-sm absolute top-0 left-0 z-50 flex items-center justify-between px-6 text-white text-xs font-medium">
         <span>{currentTime}</span>
         <div className="flex items-center gap-2">
           <WifiIcon className="w-4 h-4" />
@@ -471,12 +566,17 @@ export function PhoneSimulator({ onConnect, onDisconnect, phoneMode = "normal",
         </div>
       </div>
 
-      {/* Dynamic Island / Notch Placeholder */}
-      <div className="absolute top-0 left-1/2 -translate-x-1/2 w-32 h-7 bg-black rounded-b-2xl z-30"></div>
-
       {/* Main Content */}
-      <div ref={phoneContainerRef} className="flex-grow relative bg-gray-950 w-full h-full">
+      <div ref={phoneContainerRef} className="flex-grow relative bg-gray-950 w-full h-full overflow-hidden">
+        <div className={`h-full w-full transition-all duration-500 ease-in-out transform ${
+            phoneMode === "hand_off" && roomState === ConnectionState.Connected 
+                ? "blur-md scale-105" 
+                : phoneMode === "capture"
+                    ? "scale-105 brightness-110"
+                    : "scale-100"
+        }`}>
         {videoContent}
+        </div>
         {processingImage && (
           <div className="absolute inset-0 z-10 bg-black flex items-center justify-center">
             {/* eslint-disable-next-line @next/next/no-img-element */}
@@ -492,8 +592,11 @@ export function PhoneSimulator({ onConnect, onDisconnect, phoneMode = "normal",
             <div className="absolute inset-0 overflow-hidden">
                <div className="w-full h-[2px] bg-blue-500 shadow-[0_0_15px_rgba(59,130,246,1)] scan-animation absolute"></div>
             </div>
-            <div className="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 w-full text-center text-blue-400 font-mono text-sm animate-pulse z-20">
-              正在分析...
+            <div 
+                className="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 w-full text-center font-mono text-2xl font-semibold animate-pulse z-20"
+                style={{ color: "var(--lk-theme-color)" }}
+            >
+              正在分析照片，请稍候...
             </div>
           </div>
         )}
@@ -530,11 +633,68 @@ export function PhoneSimulator({ onConnect, onDisconnect, phoneMode = "normal",
             </div>
         )}
         
-        {/* Agent Audio Visualizer (Draggable) */}
-        {roomState === ConnectionState.Connected && voiceAssistant.audioTrack && (
+      </div>
+
+      {/* Important Message Overlay */}
+      {roomState === ConnectionState.Connected && phoneMode === "important_message" && (
+           <div className="absolute inset-0 z-30 bg-black/60 backdrop-blur-md flex items-center justify-center p-6">
+               <div className="bg-gray-800/80 backdrop-blur-xl border border-white/10 p-6 rounded-[2rem] shadow-2xl w-full max-w-xs text-center flex flex-col gap-6 transform transition-all">
+                   <div className="flex flex-col items-center gap-4">
+                       <p className="text-white text-lg font-medium leading-relaxed">
+                           {importantMessage}
+                       </p>
+                   </div>
+                   <div className="flex flex-col gap-3 w-full">
+                       {importantMessageOptions && importantMessageOptions.length > 0 ? (
+                           importantMessageOptions.map((option, index) => (
+                               <button 
+                                   key={index}
+                                   onClick={() => {
+                                     if (!isAgentSpeaking) {
+                                       onImportantMessageAction?.(option);
+                                     }
+                                   }}
+                                   disabled={isAgentSpeaking}
+                                   className={`w-full bg-white text-black font-semibold py-3.5 rounded-xl hover:bg-gray-200 transition-colors active:scale-95 transform ${isAgentSpeaking ? "opacity-50 cursor-not-allowed" : ""}`}
+                               >
+                                   {option}
+                               </button>
+                           ))
+                       ) : (
+                   <button 
+                               onClick={() => {
+                                 if (!isAgentSpeaking) {
+                                   onImportantMessageAction?.("确认");
+                                 }
+                               }}
+                               disabled={isAgentSpeaking}
+                               className={`w-full bg-white text-black font-semibold py-3.5 rounded-xl hover:bg-gray-200 transition-colors active:scale-95 transform ${isAgentSpeaking ? "opacity-50 cursor-not-allowed" : ""}`}
+                   >
+                               确认
+                   </button>
+                       )}
+                   </div>
+               </div>
+           </div>
+      )}
+
+      {/* Hand Off Mode Overlay */}
+      {roomState === ConnectionState.Connected && phoneMode === "hand_off" && (
+           <div className="absolute inset-0 z-30 flex items-center justify-center p-6">
+               <div 
+                   className="text-3xl font-semibold font-mono tracking-widest handoff-animation"
+                   style={{ color: "var(--lk-theme-color)" }}
+               >
+                   转人工...
+               </div>
+           </div>
+      )}
+
+      {/* Agent Audio Visualizer (Draggable) */}
+      {roomState === ConnectionState.Connected && voiceAssistant.audioTrack && phoneMode !== "hand_off" && (
           <div
             ref={visualizerRef}
-            className="absolute z-20 p-2 bg-black/40 backdrop-blur-md rounded-lg border border-white/10 shadow-lg cursor-move select-none"
+            className="absolute z-50 p-2 bg-black/40 backdrop-blur-md rounded-lg border border-white/10 shadow-lg cursor-move select-none"
             style={{
               left: visualizerPosition.x,
               top: visualizerPosition.y,
@@ -551,27 +711,35 @@ export function PhoneSimulator({ onConnect, onDisconnect, phoneMode = "normal",
             </div>
           </div>
         )}
-      </div>
 
       {/* Call Controls Overlay */}
       {roomState === ConnectionState.Connected && (
-        <div className="absolute bottom-[5%] left-0 w-full px-[8%] z-20">
-          {phoneMode === "capture" ? (
-            <div className="absolute top-0 left-0 w-full h-full flex flex-col justify-end pb-[5%] px-[8%] z-20">
+          phoneMode === "capture" ? (
+            <div className="absolute top-0 left-0 w-full h-full flex flex-col justify-end pb-[5%] px-[8%] z-40">
               {/* Camera Controls Row */}
               <div className="w-full flex items-center justify-evenly mb-8">
                   {/* Left: Upload */}
                   <button
-                    className="p-3 rounded-full bg-gray-800/50 text-white hover:bg-gray-800/70 transition-colors"
-                    onClick={handleUpload}
+                    className={`p-3 rounded-full bg-gray-800/50 text-white hover:bg-gray-800/70 transition-colors ${isAgentSpeaking ? "opacity-50 cursor-not-allowed" : ""}`}
+                    onClick={() => {
+                      if (!isAgentSpeaking) {
+                        handleUpload();
+                      }
+                    }}
+                    disabled={isAgentSpeaking}
                   >
                     <ImageIcon className="w-6 h-6" />
                   </button>
 
                   {/* Center: Capture */}
                   <button
-                    className="w-16 h-16 rounded-full border-4 border-white p-1 hover:scale-105 transition-transform shrink-0"
-                    onClick={handleCapture}
+                    className={`w-16 h-16 rounded-full border-4 border-white p-1 hover:scale-105 transition-transform shrink-0 ${isAgentSpeaking ? "opacity-50 cursor-not-allowed" : ""}`}
+                    onClick={() => {
+                      if (!isAgentSpeaking) {
+                        handleCapture();
+                      }
+                    }}
+                    disabled={isAgentSpeaking}
                   >
                     <div className="w-full h-full bg-white rounded-full"></div>
                   </button>
@@ -579,8 +747,13 @@ export function PhoneSimulator({ onConnect, onDisconnect, phoneMode = "normal",
                   {/* Right: Switch Camera */}
                   <div className="relative">
                     <button
-                      className="p-3 rounded-full bg-gray-800/50 text-white hover:bg-gray-800/70 transition-colors"
-                      onClick={handleSwitchCamera}
+                      className={`p-3 rounded-full bg-gray-800/50 text-white hover:bg-gray-800/70 transition-colors ${isAgentSpeaking ? "opacity-50 cursor-not-allowed" : ""}`}
+                      onClick={(e) => {
+                        if (!isAgentSpeaking) {
+                          handleSwitchCamera(e);
+                        }
+                      }}
+                      disabled={isAgentSpeaking}
                     >
                       <SwitchCameraIcon className="w-6 h-6" />
                     </button>
@@ -607,24 +780,8 @@ export function PhoneSimulator({ onConnect, onDisconnect, phoneMode = "normal",
                   </div>
               </div>
 
-              {/* Call Controls Row */}
+              {/* Call Controls Row (mic hidden in capture mode) */}
               <div className="w-full flex items-center justify-center gap-8">
-                  {/* Mic Toggle */}
-                  <button
-                    className={`p-4 rounded-full backdrop-blur-md transition-colors ${
-                      !isMicEnabled
-                        ? "bg-white text-black"
-                        : "bg-gray-600/50 text-white hover:bg-gray-600/70"
-                    }`}
-                    onClick={handleMicToggle}
-                  >
-                    {isMicEnabled ? (
-                      <MicIcon className="w-6 h-6" />
-                    ) : (
-                      <MicOffIcon className="w-6 h-6" />
-                    )}
-                  </button>
-
                    {/* End Call */}
                    <button
                     className="p-4 rounded-full bg-red-500 text-white hover:bg-red-600 transition-colors"
@@ -635,22 +792,24 @@ export function PhoneSimulator({ onConnect, onDisconnect, phoneMode = "normal",
               </div>
             </div>
           ) : (
-            <div className="absolute bottom-[5%] left-0 w-full px-[8%] z-20">
+            <div className="absolute bottom-[5%] left-0 w-full px-[8%] z-40">
             <div className="w-full flex items-center justify-center gap-8">
-              <button
-                className={`p-4 rounded-full backdrop-blur-md transition-colors ${
-                  !isMicEnabled
-                    ? "bg-white text-black"
-                    : "bg-gray-600/50 text-white hover:bg-gray-600/70"
-                }`}
-                onClick={handleMicToggle}
-              >
-                {isMicEnabled ? (
-                  <MicIcon className="w-6 h-6" />
-                ) : (
-                  <MicOffIcon className="w-6 h-6" />
-                )}
-              </button>
+              {phoneMode !== "important_message" && phoneMode !== "hand_off" && (
+                <button
+                  className={`p-4 rounded-full backdrop-blur-md transition-colors ${
+                    !isMicEnabled
+                      ? "bg-white text-black"
+                      : "bg-gray-600/50 text-white hover:bg-gray-600/70"
+                  }`}
+                  onClick={handleMicToggle}
+                >
+                  {isMicEnabled ? (
+                    <MicIcon className="w-6 h-6" />
+                  ) : (
+                    <MicOffIcon className="w-6 h-6" />
+                  )}
+                </button>
+              )}
 
               <button
                 className="p-4 rounded-full bg-red-500 text-white hover:bg-red-600 transition-colors"
@@ -660,8 +819,7 @@ export function PhoneSimulator({ onConnect, onDisconnect, phoneMode = "normal",
               </button>
             </div>
             </div>
-          )}
-        </div>
+          )
       )}
     </div>
   );

src/components/playground/Playground.tsx

@@ -30,7 +30,7 @@ import {
 } from "@livekit/components-react";
 import { ConnectionState, LocalParticipant, Track, RpcError, RpcInvocationData } from "livekit-client";
 import { QRCodeSVG } from "qrcode.react";
-import { ReactNode, useCallback, useEffect, useMemo, useState } from "react";
+import { ReactNode, useCallback, useEffect, useMemo, useRef, useState } from "react";
 import tailwindTheme from "../../lib/tailwindTheme.preval";
 import { EditableNameValueRow } from "@/components/config/NameValueRow";
 import { AttributesInspector } from "@/components/config/AttributesInspector";
@@ -58,15 +58,19 @@ export default function Playground({
   const { name } = useRoomInfo();
   const [transcripts, setTranscripts] = useState<ChatMessageType[]>([]);
   const { localParticipant } = useLocalParticipant();
-  const { send: sendChat } = useChat();
+  const { send: sendChat, chatMessages } = useChat();
 
   const voiceAssistant = useVoiceAssistant();
 
   const roomState = useConnectionState();
   const tracks = useTracks();
   const room = useRoomContext();
-  const [phoneMode, setPhoneMode] = useState<"normal" | "capture">("normal");
+  const [phoneMode, setPhoneMode] = useState<"normal" | "capture" | "important_message" | "hand_off">("normal");
   const [capturePrompt, setCapturePrompt] = useState<string>("");
+  const [importantMessage, setImportantMessage] = useState<string>("");
+  const [importantMessageOptions, setImportantMessageOptions] = useState<string[]>([]);
+  const importantMessageResolverRef = useRef<((value: string) => void) | null>(null);
+  const imageCaptureResolverRef = useRef<((value: string) => void) | null>(null);
 
   const [rpcMethod, setRpcMethod] = useState("");
   const [rpcPayload, setRpcPayload] = useState("");
@@ -106,39 +110,115 @@ export default function Playground({
     );
 
     localParticipant.registerRpcMethod(
-      'enterImageCaptureMode',
+      'askImageCapture',
       async (data: RpcInvocationData) => {
-        if (data.payload) {
-            try {
-                const payload = JSON.parse(data.payload);
-                if (payload.prompt) {
-                    setCapturePrompt(payload.prompt);
-                }
-            } catch (e) {
-                console.error("Failed to parse enterImageCaptureMode payload", e);
-            }
-        }
-        setPhoneMode("capture");
+        // Return a promise that will be resolved when user captures/uploads an image
+        return new Promise<string>((resolve) => {
+          if (data.payload) {
+              try {
+                  const payload = JSON.parse(data.payload);
+                  if (payload.prompt) {
+                      setCapturePrompt(payload.prompt);
+                  }
+              } catch (e) {
+                  console.error("Failed to parse askImageCapture payload", e);
+              }
+          }
+          setPhoneMode("capture");
+          // Store the resolver to be called when user captures/uploads an image
+          imageCaptureResolverRef.current = (imageData: string) => {
+            resolve(imageData);
+          };
+        });
+      }
+    );
+
+    localParticipant.registerRpcMethod(
+      'enterHandOffToHumanMode',
+      async () => {
+        setPhoneMode("hand_off");
         return JSON.stringify({ success: true });
       }
     );
 
     localParticipant.registerRpcMethod(
-      'exitImageCaptureMode',
+      'hangUpCall',
       async () => {
-        setPhoneMode("normal");
-        setCapturePrompt("");
+        // Disconnect the call
+        onConnect(false);
         return JSON.stringify({ success: true });
       }
     );
-  }, [localParticipant, roomState]);
+
+    localParticipant.registerRpcMethod(
+      'askImportantQuestion',
+      async (data: RpcInvocationData) => {
+        // Return a promise that will be resolved when user makes a selection
+        return new Promise<string>((resolve) => {
+          if (data.payload) {
+              try {
+                  const payload = JSON.parse(data.payload);
+                  if (payload.message) {
+                      setImportantMessage(payload.message);
+                  }
+                  if (payload.options && Array.isArray(payload.options)) {
+                      setImportantMessageOptions(payload.options);
+                  } else {
+                      // Default fallback if no options provided
+                      setImportantMessageOptions(["确认"]);
+                  }
+              } catch (e) {
+                  console.error("Failed to parse askImportantQuestion payload", e);
+              }
+          }
+          setPhoneMode("important_message");
+          // Store the resolver to be called when user makes a selection
+          importantMessageResolverRef.current = (selection: string) => {
+            resolve(JSON.stringify({ selection }));
+          };
+        });
+      }
+    );
+  }, [localParticipant, roomState, onConnect]);
 
   useEffect(() => {
     if (roomState === ConnectionState.Connected) {
       setPhoneMode("normal");
+    } else if (roomState === ConnectionState.Disconnected) {
+      setPhoneMode("normal");
+      // Clean up any pending important message RPC
+      if (importantMessageResolverRef.current) {
+        importantMessageResolverRef.current("disconnected");
+        importantMessageResolverRef.current = null;
+      }
+      // Clean up any pending image capture RPC
+      if (imageCaptureResolverRef.current) {
+        imageCaptureResolverRef.current(JSON.stringify({ error: "disconnected" }));
+        imageCaptureResolverRef.current = null;
+      }
     }
   }, [roomState]);
 
+  useEffect(() => {
+    // When agent starts speaking, exit capture mode (and PhoneSimulator will clear processing image)
+    // Only exit if we are NOT waiting for capture (resolver is null), meaning this speech is likely the analysis result
+    if (voiceAssistant.state === "speaking" && phoneMode === "capture" && !imageCaptureResolverRef.current) {
+      setPhoneMode("normal");
+      setCapturePrompt("");
+    }
+  }, [voiceAssistant.state, phoneMode]);
+
+  useEffect(() => {
+    // Also exit capture mode if we receive a completion message in chat (in case agent doesn't speak immediately)
+    if (chatMessages.length > 0) {
+      const lastMsg = chatMessages[chatMessages.length - 1];
+      if (lastMsg.message && lastMsg.message.includes("✅ Result: ask_image_capture") && phoneMode === "capture") {
+         setPhoneMode("normal");
+         setCapturePrompt("");
+      }
+    }
+  }, [chatMessages, phoneMode]);
+
   useEffect(() => {
     if (!localParticipant || roomState !== ConnectionState.Connected) {
       return;
@@ -191,6 +271,18 @@ export default function Playground({
     ({ source }) => source === Track.Source.Microphone,
   );
 
+  const handleImportantMessageAction = useCallback(async (text: string) => {
+    setPhoneMode("normal");
+    setImportantMessage("");
+    setImportantMessageOptions([]);
+    
+    // Resolve the RPC with the user's selection
+    if (importantMessageResolverRef.current) {
+      importantMessageResolverRef.current(text || "确认");
+      importantMessageResolverRef.current = null;
+    }
+  }, []);
+
   const onDataReceived = useCallback(
     (msg: any) => {
       if (msg.topic === "transcription") {
@@ -317,6 +409,7 @@ export default function Playground({
         <TranscriptionTile
           agentAudioTrack={voiceAssistant.audioTrack}
           accentColor={config.settings.theme_color}
+          inputDisabled={phoneMode === "important_message" || phoneMode === "hand_off"}
         />
       );
     }
@@ -325,6 +418,7 @@ export default function Playground({
     config.settings.theme_color,
     voiceAssistant.audioTrack,
     voiceAssistant.agent,
+    phoneMode,
   ]);
 
   const instructionsContent = (
@@ -630,10 +724,23 @@ export default function Playground({
             onDisconnect={() => onConnect(false)}
             phoneMode={phoneMode} 
             capturePrompt={capturePrompt}
+            importantMessage={importantMessage}
+            importantMessageOptions={importantMessageOptions}
+            onImportantMessageAction={handleImportantMessageAction}
             onCapture={async (content: File) => {
               if (localParticipant) {
+                // Send file via LiveKit byte stream
                 await localParticipant.sendFile(content, { topic: "image" });
-                await sendChat("用户上传了照片" );
+                
+                // Resolve RPC to signal completion (without image data)
+                if (imageCaptureResolverRef.current) {
+                  // Do NOT exit capture mode immediately - wait for agent response (voiceAssistant.state === "speaking")
+                  // setPhoneMode("normal"); 
+                  // setCapturePrompt("");
+                  imageCaptureResolverRef.current(JSON.stringify({ success: true }));
+                  imageCaptureResolverRef.current = null;
+                }
+
               }
             }}
           />
@@ -717,10 +824,23 @@ export default function Playground({
             onDisconnect={() => onConnect(false)}
             phoneMode={phoneMode} 
             capturePrompt={capturePrompt}
+            importantMessage={importantMessage}
+            importantMessageOptions={importantMessageOptions}
+            onImportantMessageAction={handleImportantMessageAction}
             onCapture={async (content: File) => {
               if (localParticipant) {
+                // Send file via LiveKit byte stream
                 await localParticipant.sendFile(content, { topic: "image" });
-                await sendChat("用户上传了一张照片");
+                
+                // Resolve RPC to signal completion (without image data)
+                if (imageCaptureResolverRef.current) {
+                  // Do NOT exit capture mode immediately - wait for agent response (voiceAssistant.state === "speaking")
+                  // setPhoneMode("normal"); 
+                  // setCapturePrompt("");
+                  imageCaptureResolverRef.current(JSON.stringify({ success: true }));
+                  imageCaptureResolverRef.current = null;
+                }
+
               }
             }}
           />

src/transcriptions/TranscriptionTile.tsx

@@ -16,9 +16,11 @@ import { useEffect, useState } from "react";
 export function TranscriptionTile({
   agentAudioTrack,
   accentColor,
+  inputDisabled,
 }: {
   agentAudioTrack?: TrackReferenceOrPlaceholder;
   accentColor: string;
+  inputDisabled?: boolean;
 }) {
   const agentMessages = useTrackTranscription(agentAudioTrack || undefined);
   const localParticipant = useLocalParticipant();
@@ -97,7 +99,7 @@ export function TranscriptionTile({
   ]);
 
   return (
-    <ChatTile messages={messages} accentColor={accentColor} onSend={sendChat} />
+    <ChatTile messages={messages} accentColor={accentColor} onSend={sendChat} inputDisabled={inputDisabled} />
   );
 }