fix(web): isolate rectification answers from tool-step planning text

Mastra intermediate text-delta was published as answer.delta, then set-focus domain errors reset the attempt and replayed evidence. Publish only the terminal no-tool step, persist the next probe on the server, and ground batch quotes in the source turn.

Co-authored-by: Cursor <cursoragent@cursor.com>

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

@@ -468,6 +468,8 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
           action,
           modelId: selectedModelId,
           ...(action === "message" ? { message: trimmed } : {}),
+          origin: "typed",
+          clientActionId: requestId,
         }),
       });
       if (!response.ok) {
@@ -527,14 +529,13 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
             raw += event.text;
             activityTrace = freezeLiveThink(activityTrace);
             const settled = settleRectificationSpokenAndThinking(raw, thinkingRaw);
-            const parsed = parseAgentReply(settled.spoken);
             setMessages((current) => current.map((message) => message.renderKey === assistantRenderKey
               ? {
                 ...message,
-                text: parsed.text,
+                text: settled.spoken,
                 thinkingText: settled.thinking.trim() || undefined,
                 activityTrace,
-                state: parsed.text ? "streaming" : "thinking",
+                state: settled.spoken ? "streaming" : "thinking",
                 activity: nextActivityView(message.activity, {
                   phase: "answer-composition",
                   label: "正在组织回答…",
@@ -639,7 +640,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
       }
 
       const settled = settleRectificationSpokenAndThinking(raw, thinkingRaw);
-      const parsed = parseAgentReply(settled.spoken);
+      const parsed = completed && !streamFailed ? parseAgentReply(settled.spoken) : { text: "", title: undefined };
       const succeeded = completed && !streamFailed && Boolean(parsed.text);
       setMessages((current) => current.flatMap((message): RenderMessage[] => {
         if (message.renderKey !== assistantRenderKey) return [message];
@@ -656,10 +657,10 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
             activity: undefined,
           }];
         }
-        if (streamFailed || hasActivityReceipt(completedReceipt) || parsed.text) {
+        if (streamFailed || hasActivityReceipt(completedReceipt) || settled.spoken.trim()) {
           return [{
             ...message,
-            text: parsed.text,
+            text: settled.spoken,
             thinkingText: settled.thinking.trim() || undefined,
             activityTrace: completeActivityTrace(activityTrace),
             state: "settled",
@@ -670,7 +671,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
         }
         return [];
       }));
-      if (!succeeded && parsed.text) {
+      if (!succeeded && settled.spoken.trim()) {
         setError((current) => current || "回答未完成，已保留现有内容；本次不会扣点。");
       } else if (!succeeded && runFailedMessage) {
         setError((current) => current || runFailedMessage);
@@ -691,18 +692,17 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
         : caught instanceof Error && caught.name === "AbortError";
       if (aborted) {
         const settled = settleRectificationSpokenAndThinking(raw, thinkingRaw);
-        const parsed = parseAgentReply(settled.spoken);
         setMessages((current) => current.flatMap((message): RenderMessage[] => {
           if (message.renderKey !== assistantRenderKey) return [message];
-          if (parsed.text || settled.thinking.trim()) {
+          if (settled.spoken.trim() || settled.thinking.trim() || hasActivityReceipt(completedReceipt)) {
             return [{
               ...message,
-              text: parsed.text,
+              text: settled.spoken,
               thinkingText: settled.thinking.trim() || undefined,
               activityTrace: completeActivityTrace(activityTrace),
               state: "settled",
               completedReceipt,
-              failed: false,
+              failed: true,
               turnId: completedTurnId,
             }];
           }
@@ -784,6 +784,8 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
           probeId: choiceCard.probe_id,
           optionId: optionId === "stop" ? undefined : optionId,
           expectedRevision: choiceCard.case_revision ?? 0,
+          origin: "choice_click",
+          clientActionId: actionId,
         }),
       });
       const payload = await response.json().catch(() => null);