fix(rectification): keep skipped health out of holdout and repair empty exits (BUG-626, BUG-627)

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

frontend/src/lib/rectification-surface-state.ts

@@ -29,7 +29,9 @@ export const RECTIFICATION_QUESTION_RETRY_INTERVAL_MS = 2_000;
 
 export const RECTIFICATION_QUESTION_PREPARING_LABEL = "正在准备下一个问题…";
 export const RECTIFICATION_QUESTION_UNAVAILABLE_COPY = "没有拿到下一个问题。";
-export const RECTIFICATION_QUESTION_RELOAD_LABEL = "重新加载";
+export const RECTIFICATION_QUESTION_RELOAD_LABEL = "接着问";
+export const RECTIFICATION_QUESTION_REPAIR_FAILED_COPY = "暂时接不上，请新建一次校正。";
+export const RECTIFICATION_QUESTION_REPAIR_LIMIT = 2;
 export const RECTIFICATION_EMPTY_COPY = "这段校正还没有开始。";
 export const RECTIFICATION_EMPTY_ACTION_LABEL = "开始提问";
 export const RECTIFICATION_HYDRATION_INCOMPLETE_NOTICE = "校正记录没有完全加载，可以继续。";
@@ -291,7 +293,7 @@ export type RectificationQuestionGapInput = Readonly<{
  * The gap between a settled turn and its next question. While retries remain
  * it is `preparing` (one live row, timed refetches); once they run out, or the
  * server itself reports the question unavailable, it is `unavailable` with a
- * manual reload. A snapshot that never arrived (hydration timed out) is a gap
+ * repair button. A snapshot that never arrived (hydration timed out) is a gap
  * too: the same retries fill it. Questions themselves live inside assistant
  * messages, so a visible live question means there is no gap.
  */