fix(rectification): isolate receipt activity after staging sync

frontend/src/components/rectification-agentic-chat.tsx

@@ -57,7 +57,8 @@ type RectificationAgenticChatProps = Readonly<{
 
 type RenderMessage = ChatMessageView & {
   renderKey: string;
-  activity?: readonly string[];
+  /** V9 execution-receipt steps; separate from shared consultation activity. */
+  receiptActivity?: readonly string[];
   receiptStatus?: string;
 };
 
@@ -119,7 +120,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
           text: turn.text ?? "",
           renderKey: key,
           state: turn.status === "completed" ? "settled" : "thinking",
-          activity: activityFromReceipt(turn.receipt),
+          receiptActivity: activityFromReceipt(turn.receipt),
           receiptStatus: turn.receipt?.status,
         }];
       }
@@ -212,7 +213,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
       ...(action === "message"
         ? [{ role: "user", text: trimmed, renderKey: userRenderKey, state: "settled" } satisfies RenderMessage]
         : []),
-      { role: "assistant", text: "", renderKey: assistantRenderKey, state: "thinking", activity: [] },
+      { role: "assistant", text: "", renderKey: assistantRenderKey, state: "thinking", receiptActivity: [] },
     ]);
     setDraft("");
 
@@ -293,7 +294,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
               activitySet.add(event.type);
               liveActivity = [...liveActivity, labelForPhase(event.type)];
               setMessages((current) => current.map((message) => message.renderKey === assistantRenderKey
-                ? { ...message, activity: liveActivity }
+                ? { ...message, receiptActivity: liveActivity }
                 : message));
             }
           }
@@ -304,7 +305,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
       const succeeded = completed && !streamFailed && Boolean(parsed.text);
       setMessages((current) => succeeded
         ? current.map((message) => message.renderKey === assistantRenderKey
-          ? { ...message, text: parsed.text, suggestions: parsed.suggestions, state: "settled", activity: liveActivity }
+          ? { ...message, text: parsed.text, suggestions: parsed.suggestions, state: "settled", receiptActivity: liveActivity }
           : message)
         : current.filter((message) => message.renderKey !== assistantRenderKey));
       setSuggestions(succeeded ? parsed.suggestions : []);
@@ -386,11 +387,11 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
           {messages.map((message) => (
             <div key={message.renderKey} className="rectification-message-wrap">
               <ChatMessageRow message={message} />
-              {message.activity && message.activity.length > 0 && (
+              {message.receiptActivity && message.receiptActivity.length > 0 && (
                 <details className="rectification-activity">
                   <summary>本轮做了什么</summary>
                   <ol>
-                    {message.activity.map((step) => <li key={step}>{step}</li>)}
+                    {message.receiptActivity.map((step) => <li key={step}>{step}</li>)}
                   </ol>
                 </details>
               )}