fix(rectification): drop duplicate collect cards and false run_failed

Spoken collect no longer renders a second visual prompt; choice legends stay screen-reader only and live cards share the assistant inset. Exhaustion collect avoids colliding with the opening question id, and a successful billed turn no longer surfaces run_failed after the exit gate.

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

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

@@ -325,7 +325,6 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
   const [boardDiff, setBoardDiff] = useState(() => diffRectificationBoard(null, null));
   const boardId = useId();
   const boardTitleId = useId();
-  const questionHintId = useId();
 
   useLayoutEffect(() => {
     const query = window.matchMedia(`(max-width: ${RECTIFICATION_BOARD_SPLIT_MIN_PX - 1}px)`);
@@ -1230,14 +1229,6 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
                 onStop={submitStop}
               />
             )}
-            {collectSpokenPrompt && (
-              <div className="rectification-question-slot__spoken">
-                <p className="rectification-question-slot__prompt">{collectSpokenPrompt}</p>
-                <p id={questionHintId} className="rectification-question-slot__hint" role="note">
-                  请在下方输入框回答，可以写你记得的年份、经过和结果。
-                </p>
-              </div>
-            )}
             {showMissingQuestion && (
               <p className="rectification-question-slot__status" role="status">
                 当前没有可回答的问题，正在等待服务端更新。
@@ -1287,7 +1278,6 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
           <Textarea
             ref={composer}
             aria-label={readonly ? "该校正已结束，只能查看历史" : "继续描述你的经历或回答"}
-            aria-describedby={collectSpokenPrompt ? questionHintId : undefined}
             value={draft}
             disabled={!canSend}
             placeholder={readonly

frontend/src/components/rectification-choice-card.tsx

@@ -48,7 +48,7 @@ export function RectificationChoiceCard(props: RectificationChoiceCardProps) {
         disabled={props.pending || props.disabled || answered}
         data-answered={answered ? "true" : "false"}
       >
-        <legend>{props.card.prompt}</legend>
+        <legend className="sr-only">{props.card.prompt}</legend>
         {props.card.why ? <p className="rectification-choice-why">{props.card.why}</p> : null}
         <div className="birth-time-primary-choices">
           {props.card.options.map((option, index) => (