fix(rectification): ask tie-break questions before the range card (BUG-685/686/687)

Close leads hold delivery until unused D9/D10 style questions are asked. Tie-break POST merges the new turn into the transcript. Range copy no longer lists declined lines.

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

@@ -120,13 +120,17 @@ import {
   interviewQuestionBlocksAdoptOffer,
   nextSelectionCardLock,
   parseTurnQuestion,
-  persistedOfferFromTurn,
   questionIsAnswered,
   resolveSelectionCardMessageKey,
   type SelectionCardLock,
   type TurnQuestion,
 } from "@/lib/rectification-agentic/v9/turn-question";
 import { Button } from "@/components/ui/button";
+import {
+  appendUnseenAssistantTurns,
+  applySnapshotTurnsToMessages,
+  mergeTurnQuestions,
+} from "@/lib/rectification-snapshot-messages";
 
 type PersistedTurn = Readonly<{
   id: string;
@@ -245,33 +249,6 @@ type RenderMessage = ChatMessageView & {
   candidateOffer?: Readonly<{ resultId: string }>;
 };
 
-function mergeTurnQuestions(current: RenderMessage[], turns: readonly unknown[]): RenderMessage[] {
-  const byId = new Map<string, { question: TurnQuestion | null; offerResultId: string | null }>();
-  for (const item of turns) {
-    if (!item || typeof item !== "object") continue;
-    const turn = item as { id?: unknown; question?: unknown; offer_result_id?: unknown };
-    if (typeof turn.id !== "string") continue;
-    byId.set(turn.id, {
-      question: parseTurnQuestion(turn.question),
-      offerResultId: typeof turn.offer_result_id === "string" ? turn.offer_result_id : null,
-    });
-  }
-  return current.map((message) => {
-    if (!message.turnId || !byId.has(message.turnId)) return message;
-    const next = byId.get(message.turnId);
-    const question = next?.question ?? undefined;
-    return {
-      ...message,
-      question: question ?? undefined,
-      candidateOffer: persistedOfferFromTurn(
-        next?.offerResultId,
-        message.candidateOffer,
-        true,
-      ),
-    };
-  });
-}
-
 function markQuestionAnswered(
   current: RenderMessage[],
   focusId: string,
@@ -295,16 +272,6 @@ function snapshotTurns(payload: { turns?: unknown } | null | undefined): readonl
   return Array.isArray(payload?.turns) ? payload.turns : [];
 }
 
-function appendUnseenAssistantTurns(current: RenderMessage[], turns: readonly unknown[]): RenderMessage[] {
-  const known = new Set(current.flatMap((message) => message.turnId ? [message.turnId] : []));
-  const extras = messagesFromTurns(turns as readonly PersistedTurn[]).filter((message) => (
-    message.role === "assistant"
-    && message.turnId
-    && !known.has(message.turnId)
-  ));
-  return extras.length ? [...current, ...extras] : current;
-}
-
 function choiceCardFromQuestion(
   question: TurnQuestion,
   live: ChoiceCardModel | null,
@@ -1194,7 +1161,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
           const withoutPlaceholder = current.filter((message) => message.renderKey !== assistantRenderKey);
           const withHistory = appendUnseenAssistantTurns(
             mergeTurnQuestions(withoutPlaceholder, turns),
-            turns,
+            messagesFromTurns(turns as readonly PersistedTurn[]),
           );
           if (withHistory.length > withoutPlaceholder.length) return withHistory;
           return [
@@ -1396,7 +1363,13 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
       if (!response.ok || payload?.ok !== true) {
         throw new Error(payload?.error || payload?.message || "暂时无法开始参考题");
       }
-      await loadCaseSnapshot();
+      await loadCaseSnapshot((turns) => {
+        setMessages((current) => applySnapshotTurnsToMessages(
+          current,
+          turns,
+          (incoming) => messagesFromTurns(incoming as readonly PersistedTurn[]),
+        ));
+      });
     } catch (caught) {
       setError(caught instanceof Error ? caught.message : "暂时无法开始参考题");
     } finally {
@@ -1579,7 +1552,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
     questionMissing: currentQuestion === null,
     questionLoadFailed: questionSource === "unavailable" || deadChoice,
     questionPersisted: Boolean(currentQuestion?.prompt && questionSource === "focus") && !deadChoice,
-    offerAwaitingReader: showSelectionCards && !candidateResult?.selectedTime,
+    offerAwaitingReader: showSelectionCards && !candidateResult?.selectedTime && currentQuestion === null,
     nextUserActionId,
     collectWaiting: collectWaiting && !deadChoice,
     sessionOutcome: interviewSessionOutcome ?? candidateResult?.sessionOutcome ?? null,
@@ -1622,7 +1595,13 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
     },
   });
   async function refetchQuestion() {
-    await loadCaseSnapshot();
+    await loadCaseSnapshot((turns) => {
+      setMessages((current) => applySnapshotTurnsToMessages(
+        current,
+        turns,
+        (incoming) => messagesFromTurns(incoming as readonly PersistedTurn[]),
+      ));
+    });
   }
   async function repairQuestion() {
     if (questionRepairing || questionRepairAttempts >= RECTIFICATION_QUESTION_REPAIR_LIMIT) return;
@@ -1650,7 +1629,13 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
         );
         if (!recovered) setQuestionRepairAttempts((current) => current + 1);
       } else {
-        await loadCaseSnapshot();
+        await loadCaseSnapshot((turns) => {
+          setMessages((current) => applySnapshotTurnsToMessages(
+            current,
+            turns,
+            (incoming) => messagesFromTurns(incoming as readonly PersistedTurn[]),
+          ));
+        });
         setQuestionRepairAttempts((current) => current + 1);
       }
     } catch {

frontend/src/components/rectification-range-delivery.tsx

@@ -59,6 +59,9 @@ export function RectificationRangeDelivery({
           {RECTIFICATION_USER_COPY.rangeDeliveryTieBreakEntry}
         </button>
       ) : null}
+      {delivery?.tie_break_note ? (
+        <p className="rectification-range-delivery__narrow">{delivery.tie_break_note}</p>
+      ) : null}
       {sharedTraits.length > 0 ? (
         <ul className="rectification-range-delivery__shared">
           {sharedTraits.map((line) => (