fix(rectification): invite-first collect, holdout at 4 events, Skill 10.0.23 (BUG-646–648)

Stop domain-wheel collecting and age-band years in prompts. Ask until the training gate, then discriminate until convergence, then deliver a range plus a concrete follow-up. Reserve holdout only with four dated events.

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

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

@@ -57,6 +57,7 @@ import {
   RECTIFICATION_QUESTION_RETRY_INTERVAL_MS,
   RECTIFICATION_QUESTION_RETRY_LIMIT,
   RECTIFICATION_QUESTION_UNAVAILABLE_COPY,
+  RECTIFICATION_COLLECT_WAITING_PLACEHOLDER,
   RECTIFICATION_STOPPED_NOTICE,
   isAbortError,
   rectificationConversationState,
@@ -66,6 +67,9 @@ import {
   contrastProbesFromReceipt,
   searchWindowFromSnapshot,
   caseStageFromSnapshot,
+  interviewCollectWaiting,
+  interviewStopReasonFromSnapshot,
+  interviewSessionOutcomeFromSnapshot,
   type RectificationCaseSnapshotPayload,
 } from "@/lib/rectification-surface-state";
 import { RectificationTimeline } from "@/components/rectification-timeline";
@@ -418,6 +422,8 @@ type CaseSnapshotState = Readonly<{
   nextUserActionId: string | null;
   searchWindow: readonly [string, string] | null;
   stage: RectificationTimelineStage | null;
+  interviewStopReason: string | null;
+  interviewSessionOutcome: string | null;
 }>;
 
 function nextUserActionIdFromSnapshot(payload: RectificationCaseSnapshotPayload | null): string | null {
@@ -441,6 +447,8 @@ function caseSnapshotState(payload: RectificationCaseSnapshotPayload | null): Ca
     nextUserActionId: nextUserActionIdFromSnapshot(payload),
     searchWindow: searchWindowFromSnapshot(payload.case?.candidate_range),
     stage: caseStageFromSnapshot(payload.case?.stage),
+    interviewStopReason: interviewStopReasonFromSnapshot(payload),
+    interviewSessionOutcome: interviewSessionOutcomeFromSnapshot(payload),
   };
 }
 
@@ -484,6 +492,8 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
   const [searchWindow, setSearchWindow] = useState<readonly [string, string] | null>(() => caseSnapshotState(initialSnapshot)?.searchWindow ?? null);
   const [caseStage, setCaseStage] = useState<RectificationTimelineStage | null>(() => caseSnapshotState(initialSnapshot)?.stage ?? null);
   const [nextUserActionId, setNextUserActionId] = useState<string | null>(() => caseSnapshotState(initialSnapshot)?.nextUserActionId ?? null);
+  const [interviewStopReason, setInterviewStopReason] = useState<string | null>(() => caseSnapshotState(initialSnapshot)?.interviewStopReason ?? null);
+  const [interviewSessionOutcome, setInterviewSessionOutcome] = useState<string | null>(() => caseSnapshotState(initialSnapshot)?.interviewSessionOutcome ?? null);
   const [caseSnapshotLoaded, setCaseSnapshotLoaded] = useState(initialSnapshot !== null);
   const [questionRetryAttempts, setQuestionRetryAttempts] = useState(0);
   const [questionRepairAttempts, setQuestionRepairAttempts] = useState(0);
@@ -612,7 +622,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
 
   // Candidate snapshot comes from the persisted Candidate Snapshot API, never
   // from parsing agent text or hidden sentinels.
-  const applyCaseSnapshot = useCallback((payload: {
+  const applyCaseSnapshot = useCallback((payload: RectificationCaseSnapshotPayload | {
     latest_result?: unknown;
     current_question?: unknown;
     choice_card?: unknown;
@@ -620,6 +630,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
     turns?: unknown;
     question_source?: unknown;
     next_user_action?: { id?: unknown };
+    interview?: { stop_reason?: unknown; session_outcome?: unknown };
     case?: {
       status?: unknown;
       accepted_time?: unknown;
@@ -629,6 +640,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
     };
   } | null) => {
     if (!payload) return;
+    const snapshot = payload as RectificationCaseSnapshotPayload;
     const nextCandidate = parseRectificationCandidateResult(payload.latest_result);
     const nextQuestion = currentQuestionFromSnapshot(payload.current_question);
     const nextChoice = parseRectificationChoiceCard(payload.choice_card);
@@ -653,6 +665,8 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
     setChoiceCard(nextChoice);
     setCaseStatus(nextCaseStatus);
     setNextUserActionId(nextActionId || null);
+    setInterviewStopReason(interviewStopReasonFromSnapshot(snapshot));
+    setInterviewSessionOutcome(interviewSessionOutcomeFromSnapshot(snapshot));
     setCaseSnapshotLoaded(true);
     if (nextQuestion || nextChoice || acceptedTime || confirmedTime) {
       setQuestionRepairAttempts(0);
@@ -1508,7 +1522,14 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
   // The gap between a settled turn and its next question has two visible
   // states: `preparing` (one live timeline row, timed refetches) and
   // `unavailable` (copy and a repair button) — never bare copy telling the
-  // reader to wait for the server.
+  // reader to wait for the server. Collect-waiting is the training-gate gap:
+  // no next card, keep the case open, do not show 「没有拿到下一个问题」.
+  const collectWaiting = interviewCollectWaiting({
+    stopReason: interviewStopReason,
+    sessionOutcome: interviewSessionOutcome ?? candidateResult?.sessionOutcome ?? null,
+    questionMissing: currentQuestion === null,
+    offeringCards: showSelectionCards,
+  });
   const questionGap = rectificationQuestionGapState({
     liveQuestionVisible: liveQuestionOnMessages,
     questionMissing: currentQuestion === null,
@@ -1516,6 +1537,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
     questionPersisted: Boolean(currentQuestion?.prompt && questionSource === "focus"),
     offerAwaitingReader: showSelectionCards && !candidateResult?.selectedTime,
     nextUserActionId,
+    collectWaiting,
     busy,
     readonly,
     regenerating: regeneratingMessageKey !== null,
@@ -1853,7 +1875,9 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
                 ? "点上面的选项即可；想补一句细节再写"
                 : (liveQuestionOnMessages || questionGap === "persisted_question") && collectSpokenPrompt
                   ? "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…"}
+                  : questionGap === "collect_waiting"
+                    ? RECTIFICATION_COLLECT_WAITING_PLACEHOLDER
+                    : "继续说你记得的人生经历，或回答刚才的问题…"}
             maxLength={RECTIFICATION_COMPOSER_MAX_LENGTH}
             inputDisabled={readonly}
             submitLabel="发送"