fix(rectification): gate collect-phase adopt cards and keep post-adopt verify answerable

Public can_adopt follows session_outcome; reverse_verify reuses the persisted question id; offer cards settle on the owning message with a status-bar handoff.

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

frontend/src/app/api/rectification/cases/[caseId]/candidates/accept/route.ts

@@ -101,6 +101,40 @@ export async function POST(request: Request, context: RouteContext) {
     return NextResponse.json({ error: "校正记录与会话绑定不一致", code: "case_session_mismatch" }, { status: 409 });
   }
 
+  try {
+    const { loadV9CaseDossier, evidenceLedgerFingerprint } = await import(
+      "@/lib/rectification-agentic/v9/tool-service"
+    );
+    const { decideFromDossier, overlayPublicDecision } = await import(
+      "@/lib/rectification-agentic/v9/interview-state"
+    );
+    const { publicDecisionFields } = await import(
+      "@/lib/rectification-agentic/core/rectification-decision"
+    );
+    const dossier = await loadV9CaseDossier(accounting, user.id, caseId);
+    const decision = decideFromDossier(dossier, {
+      currentEvidenceFingerprint: evidenceLedgerFingerprint(dossier.evidence),
+    });
+    const fields = publicDecisionFields(decision);
+    const overlaid = dossier.latestResult
+      ? overlayPublicDecision(dossier.latestResult, decision)
+      : fields;
+    if (overlaid.can_adopt !== true) {
+      return NextResponse.json(
+        { error: "adoption_not_allowed", session_outcome: fields.session_outcome },
+        { status: 409 },
+      );
+    }
+  } catch (error) {
+    if (error instanceof RectificationToolServiceError) {
+      return errorResponse(error);
+    }
+    return NextResponse.json(
+      { error: "暂时无法采用该候选时间", code: "candidate_accept_failed" },
+      { status: 503 },
+    );
+  }
+
   try {
     const { data, error } = await accounting.rpc(
       "accept_agentic_rectification_candidate_for_case_v2",

frontend/src/app/api/rectification/cases/[caseId]/route.ts

@@ -16,7 +16,7 @@ import {
 } from "@/lib/rectification-agentic/v9/tool-service";
 import { choiceCardFromCaseDossier, decideFromDossier, overlayPublicDecision } from "@/lib/rectification-agentic/v9/interview-state";
 import { projectCurrentQuestion } from "@/lib/rectification-agentic/v9/turn-decision";
-import { attachQuestionsToTurns } from "@/lib/rectification-agentic/v9/turn-question";
+import { attachQuestionsToTurns, attachOfferResultToTurns } from "@/lib/rectification-agentic/v9/turn-question";
 import { previousInferenceFromReceipt } from "@/lib/rectification-agentic/v9/inference-adapter";
 import { publicDecisionFields } from "@/lib/rectification-agentic/core/rectification-decision";
 import { slimDecisionReceipt } from "@/lib/rectification-agentic/v9/case-receipt-projection";
@@ -99,7 +99,16 @@ export function dossierResponse(
     currentEvidenceFingerprint: evidenceLedgerFingerprint(dossier.evidence),
   });
   const listed = options.listed ?? { focuses: [] as const, available: true };
-  const turns = attachQuestionsToTurns(dossier.turns, listed.focuses);
+  const turnsWithQuestions = attachQuestionsToTurns(dossier.turns, listed.focuses);
+  const fields = publicDecisionFields(decision);
+  const overlaid = dossier.latestResult
+    ? overlayPublicDecision(dossier.latestResult, decision)
+    : fields;
+  const turns = attachOfferResultToTurns(turnsWithQuestions, {
+    resultId: dossier.latestResult?.resultId ?? null,
+    canAdopt: overlaid.can_adopt === true,
+    acceptedTime: dossier.case.acceptedTime,
+  });
   return {
     case: {
       case_id: dossier.case.caseId,
@@ -125,12 +134,13 @@ export function dossierResponse(
       created_at: turn.createdAt,
       receipt: turnReceipt(turn.id, receipts),
       question: turn.question,
+      offer_result_id: turn.offer_result_id,
     })),
     evidence: dossier.evidence,
     latest_result: dossier.latestResult
       ? publicLatestResult(dossier.latestResult, decision, dossier, options.fullDetail === true)
       : null,
-    interview: publicDecisionFields(decision),
+    interview: fields,
     current_question: projectCurrentQuestion(dossier.conversationSummary.activeFocus),
     choice_card: choiceCardFromCaseDossier(dossier),
     question_source: questionSourceFromFocusList(listed),
@@ -169,6 +179,9 @@ function turnReceipt(
       tool: activity.tool,
       status: activity.status,
       methods: activity.methods,
+      started_at: activity.startedAt ?? null,
+      elapsed_ms: activity.elapsedMs ?? null,
+      detail: activity.detail ?? null,
     })),
     tools: receipt.tools,
     methods: receipt.methods,