fix(rectification): hang spoken year follow-ups and drop engine representative from model tables (BUG-678/676)

Spoken collect without askedTurnId now hangs on the last assistant message, remaining-candidate copy uses credible_range, and engine representativeTime no longer keeps eliminated minutes in model house tables.

frontend/src/lib/rectification-agentic/v9/answer-choice.ts

@@ -332,6 +332,8 @@ function adoptHostNarration(input: {
     input.dossier.evidence,
     input.dossier.conversationSummary.declinedSkippedTopics,
     catalog.remainingSplitTimes,
+    undefined,
+    catalog.remainingCredibleRange,
   );
   if (!hint || delivered.includes(hint)) return delivered;
   return `${delivered} ${hint}`.replace(/\s+/g, " ").trim();
@@ -1781,6 +1783,7 @@ async function persistExhaustionCollect(input: {
     dossier.conversationSummary.declinedSkippedTopics,
     catalog.remainingSplitTimes,
     catalog.remainingCandidateCount,
+    catalog.remainingCredibleRange,
   );
   const trainingGate = trainingScoreableGate(dossier.evidence);
   const ceiling = engineCapabilityCeilingFromReceipt(receipt);
@@ -1889,6 +1892,7 @@ async function persistExhaustionCollect(input: {
         dossier.conversationSummary.declinedSkippedTopics,
         catalog.remainingSplitTimes,
         catalog.remainingCandidateCount,
+        catalog.remainingCredibleRange,
       );
       targetedSkipCount += 1;
       continue;
@@ -1972,6 +1976,7 @@ async function persistExhaustionCollect(input: {
     dossier.conversationSummary.declinedSkippedTopics,
     catalog.remainingSplitTimes,
     catalog.remainingCandidateCount,
+    catalog.remainingCredibleRange,
   );
   const range = nonConvergingRangeNarration({
     credibleRange: decision.credibleRange ?? input.decision.credibleRange,

frontend/src/lib/rectification-agentic/v9/case-receipt-projection.ts

@@ -13,7 +13,7 @@ export function slimDecisionReceipt(
     : dossier.latestResult?.candidates ?? []) {
     activeTimes.add(candidate.time);
   }
-  for (const value of [inference?.representative_time, dossier.latestResult?.representativeTime, dossier.latestResult?.selectedTime]) {
+  for (const value of [inference?.representative_time, dossier.latestResult?.selectedTime]) {
     if (typeof value === "string" && value.trim()) activeTimes.add(value.slice(0, 5));
   }
   const focusSchema = dossier.conversationSummary.activeFocus?.expectedAnswerSchema ?? {};

frontend/src/lib/rectification-agentic/v9/collection-question-pool.ts

@@ -751,13 +751,23 @@ function remainingTargetedDomains(
   return domains;
 }
 
+function clockRangePair(
+  value: readonly [string, string] | null | undefined,
+): readonly [string, string] | null {
+  const start = clockValue(value?.[0]);
+  const end = clockValue(value?.[1]);
+  return start && end ? [start, end] : null;
+}
+
 export function remainingCandidatesLine(
   splitTimes: readonly [string, string] | null | undefined,
   candidateCount: number,
   examples: readonly string[],
+  credibleRange?: readonly [string, string] | null,
 ): string | null {
-  if (!splitTimes?.[0] || !splitTimes[1] || candidateCount < 1 || examples.length === 0) return null;
-  return `现在还剩 ${splitTimes[0]}–${splitTimes[1]} 里 ${candidateCount} 个候选，能把它们分开的是这几条线：${examples.join("、")}`;
+  const range = clockRangePair(credibleRange) ?? clockRangePair(splitTimes);
+  if (!range || candidateCount < 1 || examples.length === 0) return null;
+  return `现在还剩 ${range[0]}–${range[1]} 里 ${candidateCount} 个候选，能把它们分开的是这几条线：${examples.join("、")}`;
 }
 
 export function targetedCollectPool(
@@ -766,6 +776,7 @@ export function targetedCollectPool(
   declinedTopics: readonly CollectionTopic[] = [],
   splitTimes?: readonly [string, string] | null,
   candidateCount?: number,
+  credibleRange?: readonly [string, string] | null,
 ): CollectionPoolItem[] {
   if (pendingTargetedYearDomain(declinedTopics, evidence)) return [];
   const declined = collectDeclinedKinds(declinedTopics);
@@ -773,7 +784,7 @@ export function targetedCollectPool(
   if (domains.length === 0) return [];
   const count = candidateCount ?? 0;
   const examples = domains.map((domain) => TARGETED_EXAMPLES[domain][0]);
-  const remainingLine = remainingCandidatesLine(splitTimes, count, examples);
+  const remainingLine = remainingCandidatesLine(splitTimes, count, examples, credibleRange);
   return domains.map((domain) => {
     const existencePrompt = TARGETED_EXISTENCE_PROMPT[domain];
     return {
@@ -821,15 +832,24 @@ export function rangeNarrowHint(
   declinedTopics: readonly CollectionTopic[] = [],
   splitTimes?: readonly [string, string] | null,
   candidateCount?: number,
+  credibleRange?: readonly [string, string] | null,
 ): string {
-  const open = targetedCollectPool(remainingLayers, evidence, [], splitTimes, candidateCount);
+  const open = targetedCollectPool(remainingLayers, evidence, [], splitTimes, candidateCount, credibleRange);
   const remaining = remainingCandidatesLine(
     splitTimes,
     candidateCount ?? 0,
     open.map((item) => TARGETED_EXAMPLES[item.domain as CollectKind]?.[0] ?? item.examples?.[0] ?? "").filter(Boolean),
+    credibleRange,
   );
   const hint = targetedCollectHintFromPool(open)
-    ?? targetedCollectHint(targetedCollectPool(remainingLayers, evidence, declinedTopics, splitTimes, candidateCount)[0])
+    ?? targetedCollectHint(targetedCollectPool(
+      remainingLayers,
+      evidence,
+      declinedTopics,
+      splitTimes,
+      candidateCount,
+      credibleRange,
+    )[0])
     ?? `还能再收窄：${moreCollectHint(evidence, declinedTopics)}`;
   if (remaining && !hint.startsWith(remaining)) {
     return `${remaining}。${hint}`;

frontend/src/lib/rectification-agentic/v9/decision-from-dossier.ts

@@ -393,6 +393,7 @@ export function rectificationFollowupCatalog(
     remainingLayers,
     remainingSplitTimes: remainingSplitTimes(activeTimes.length ? activeTimes : topCandidateTimes),
     remainingCandidateCount: remainingCandidateCount(activeTimes.length ? activeTimes : topCandidateTimes),
+    remainingCredibleRange: inference?.credible_range ?? null,
   };
 }
 
@@ -779,6 +780,7 @@ export function decideFromDossier(
     remainingLayers: catalog.remainingLayers,
     remainingSplitTimes: catalog.remainingSplitTimes,
     remainingCandidateCount: catalog.remainingCandidateCount,
+    remainingCredibleRange: catalog.remainingCredibleRange,
     ...followupCaseArgs({
       stage: dossier.case.stage,
       blockScan: dossier.case.blockScan,
@@ -898,6 +900,7 @@ export function decideAfterInferenceChange(input: {
     remainingLayers: catalog.remainingLayers,
     remainingSplitTimes: catalog.remainingSplitTimes,
     remainingCandidateCount: catalog.remainingCandidateCount,
+    remainingCredibleRange: catalog.remainingCredibleRange,
     ...followupCaseArgs({
       stage: input.dossier.case.stage,
       blockScan: input.dossier.case.blockScan,

frontend/src/lib/rectification-agentic/v9/divergence-panel.ts

@@ -416,6 +416,7 @@ export function buildRangeDelivery(input: {
       input.declinedTopics ?? [],
       remainingSplitTimes(activeTimes),
       remainingCandidateCount(activeTimes),
+      inference?.credible_range,
     ),
     tie_break_available: input.tieBreakAvailable === true,
   };

frontend/src/lib/rectification-agentic/v9/method-followup.ts

@@ -1448,6 +1448,7 @@ export function targetedCollectFollowup(
   declinedTopics: readonly Readonly<Record<string, unknown>>[] = [],
   splitTimes?: readonly [string, string] | null,
   candidateCount?: number,
+  credibleRange?: readonly [string, string] | null,
 ): MethodFollowup | null {
   const pendingYear = pendingTargetedYearDomain(declinedTopics, evidence);
   if (pendingYear) {
@@ -1459,9 +1460,10 @@ export function targetedCollectFollowup(
     declinedTopics,
     splitTimes,
     candidateCount,
+    credibleRange,
   )[0];
   if (!top) return null;
-  return targetedCollectExistenceFollowup(top, splitTimes, candidateCount);
+  return targetedCollectExistenceFollowup(top, splitTimes, candidateCount, credibleRange);
 }
 
 export function targetedCollectYearFollowup(domain: CollectKind): MethodFollowup {
@@ -1490,6 +1492,7 @@ function targetedCollectExistenceFollowup(
   item: CollectionPoolItem,
   splitTimes?: readonly [string, string] | null,
   candidateCount?: number,
+  credibleRange?: readonly [string, string] | null,
 ): MethodFollowup {
   const base = followupFromPoolItem(item);
   const frame = buildTargetedCollectExistenceFrame({
@@ -1502,6 +1505,7 @@ function targetedCollectExistenceFollowup(
       splitTimes,
       candidateCount ?? remainingCandidateCount(),
       item.examples?.length ? [item.examples[0]!] : [],
+      credibleRange,
     );
   return {
     ...base,
@@ -2098,6 +2102,7 @@ export function buildMethodFollowupPlan(input: {
   remainingLayers?: readonly string[];
   remainingSplitTimes?: readonly [string, string] | null;
   remainingCandidateCount?: number;
+  remainingCredibleRange?: readonly [string, string] | null;
   tieBreakRequested?: boolean;
 }): MethodFollowupPlan {
   const makeFollowup = (
@@ -2762,6 +2767,7 @@ export function buildMethodFollowupPlan(input: {
         ],
         input.remainingSplitTimes,
         input.remainingCandidateCount,
+        input.remainingCredibleRange,
       ))
     ) {
       // BUG-651: no yearless personality as the next discriminator.
@@ -2963,6 +2969,7 @@ export function buildMethodFollowupPlan(input: {
         ],
         input.remainingSplitTimes,
         input.remainingCandidateCount,
+        input.remainingCredibleRange,
       );
       if (targeted) next = targeted;
       else if (pendingHoldout) next = makeFollowup(pendingHoldout, false);

frontend/src/lib/rectification-agentic/v9/turn-question.ts

@@ -25,7 +25,8 @@ const ANSWER_OPTIONS = new Set(["A", "B", "C", "D", "stop", "skip_probe"]);
 export function focusSpokenPrompt(schema: Readonly<Record<string, unknown>> | null | undefined): string | null {
   if (!schema) return null;
   const top = typeof schema.prompt === "string" ? schema.prompt.trim() : "";
-  if (top.length >= 8 && top.length <= 120) return top;
+  // Collect schemas keep short stems such as "大概哪年几月？" (7 chars).
+  if (top && top.length <= 120 && (schema.collect === true || top.length >= 8)) return top;
   const copy = parseAgentChoiceCopy(schema);
   const fromChoice = copy?.prompt?.trim() ?? "";
   return fromChoice || null;
@@ -107,9 +108,7 @@ export function attachQuestionsToTurns<T extends { id: string; role: string; tex
   const hanging: ConversationFocus[] = [];
   for (const focus of focuses) {
     if (!focus.askedTurnId) {
-      if (focus.status === "active" && turnQuestionKind(focus) === "choice") {
-        hanging.push(focus);
-      }
+      if (focus.status === "active") hanging.push(focus);
       continue;
     }
     byTurn.set(focus.askedTurnId, focus);