fix(rectification): stop the opening body from repeating the collect prompt

Persist the interview slot before the opening turn, keep the stem in the question slot, and hide that slot while a run is busy so the same ask does not appear twice.

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

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

@@ -1047,6 +1047,13 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
   const collectSpokenPrompt = currentQuestion?.kind === "collect_spoken"
     ? currentQuestion.prompt
     : null;
+  const showCollectSpokenPrompt = Boolean(
+    collectSpokenPrompt
+    && !showLiveChoiceCard
+    && !readonly
+    && !busy
+    && regeneratingMessageKey === null,
+  );
   const resumableCase = caseStatus !== null && isResumableStatus(caseStatus);
   const showMissingQuestion = Boolean(
     caseSnapshotLoaded
@@ -1199,7 +1206,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
                         onStop={submitStop}
                       />
                     )}
-                    {collectSpokenPrompt && !showLiveChoiceCard && !readonly && (
+                    {showCollectSpokenPrompt && (
                       <p id={collectSpokenPromptId} className="rectification-question-slot__prompt">
                         {collectSpokenPrompt}
                       </p>
@@ -1232,7 +1239,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
                 onStop={submitStop}
               />
             )}
-            {collectSpokenPrompt && !showLiveChoiceCard && !readonly && (
+            {showCollectSpokenPrompt && (
               <p id={collectSpokenPromptId} className="rectification-question-slot__prompt">
                 {collectSpokenPrompt}
               </p>
@@ -1277,7 +1284,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
           )}
           <ChatComposer
             inputRef={composer}
-            describedBy={collectSpokenPrompt && !showLiveChoiceCard && !readonly
+            describedBy={showCollectSpokenPrompt
               ? collectSpokenPromptId
               : undefined}
             value={draft}
@@ -1287,7 +1294,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
               ? "该校正已结束，只能查看历史；需要再次校正请新建。"
               : showLiveChoiceCard
                 ? "点上面的选项即可；想补一句细节再写"
-                : collectSpokenPrompt
+                : showCollectSpokenPrompt
                   ? "请回答上面的问题…"
                   : "继续说你记得的人生经历，或回答刚才的问题…"}
             maxLength={RECTIFICATION_COMPOSER_MAX_LENGTH}