fix(rectification): narrate exhausted-probe adopt instead of keep-collecting

When leftover probes cannot split adjacent minutes, skip frameless follow-ups and let a no-tool agent explain the stop. Distinguish-card "no" no longer closes a whole evidence domain.

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

frontend/src/app/api/rectification/agent/route.ts

@@ -15,6 +15,7 @@ import {
   applyCollectFocusDenial,
   persistNextInterviewIfIdle,
 } from "@/lib/rectification-agentic/v9/answer-choice";
+import { createAdoptNarrationWriter } from "@/lib/rectification-agentic/v9/adopt-narration-agent";
 import { mapRectificationRpcError } from "@/lib/rectification-agentic/v9/case-service";
 import { CHOICE_ACTION, STOP_ACTION } from "@/lib/rectification-agentic/v9/choice-action";
 import { runV9AgentTurn, type V9RunBilling } from "@/lib/rectification-agentic/v9/agent-run";
@@ -262,6 +263,14 @@ export async function POST(request: Request) {
       chatSession.model_id,
       chatSession.model_config_version,
     );
+  const narrateAdopt = createAdoptNarrationWriter({
+    model: selectedModel,
+    signal: request.signal,
+    resolveModel: () => resolveSessionLanguageModel(
+      chatSession.model_id,
+      chatSession.model_config_version,
+    ),
+  });
   const immediateResponse = await (async (): Promise<Response | null> => {
     if (isStructuredChoice) {
       const actionId = parsed.data.actionId;
@@ -288,6 +297,7 @@ export async function POST(request: Request) {
         probeId: parsed.data.probeId ?? null,
         optionId: action === "stop_and_review" ? "stop" : parsed.data.optionId!,
         expectedRevision,
+        narrateAdopt,
       });
       if (action === "stop_and_review") {
         await transitionV9CaseStatus(accounting, userId, caseId, "paused");
@@ -385,6 +395,7 @@ export async function POST(request: Request) {
             expectedRevision: previous?.revision ?? 0,
             userDisplay: parsed.data.message ?? null,
             deferFollowup: continueToAgent,
+            narrateAdopt,
           });
           if (!continueToAgent) {
             return completedMessageResponse(applied.narration, requestId, caseId);
@@ -429,6 +440,7 @@ export async function POST(request: Request) {
             caseId,
             focusId: focus.id,
             deferFollowup: continueToAgent,
+            narrateAdopt,
           });
           if (!continueToAgent) {
             await persistV9DeterministicTurn(accounting, userId, caseId, {
@@ -449,7 +461,12 @@ export async function POST(request: Request) {
         }
         const decision = decideFromDossier(dossier, { birthDate });
         if (isNonConvergingRangeOffer(decision)) {
-          const idle = await persistNextInterviewIfIdle({ accounting, userId, caseId });
+          const idle = await persistNextInterviewIfIdle({
+            accounting,
+            userId,
+            caseId,
+            narrateAdopt,
+          });
           const assistantMessage = idle.hostNarration || nonConvergingRangeNarration(decision);
           await persistV9DeterministicTurn(accounting, userId, caseId, {
             requestId,
@@ -524,7 +541,12 @@ export async function POST(request: Request) {
             return completedMessageResponse(narration, requestId, caseId);
           }
           if (!plan.next_followup) {
-            const idle = await persistNextInterviewIfIdle({ accounting, userId, caseId });
+            const idle = await persistNextInterviewIfIdle({
+              accounting,
+              userId,
+              caseId,
+              narrateAdopt,
+            });
             const assistantMessage = idle.hostNarration || nonConvergingRangeNarration(decision);
             await persistV9DeterministicTurn(accounting, userId, caseId, {
               requestId,
@@ -668,6 +690,7 @@ export async function POST(request: Request) {
               accounting: accounting as never,
               userId,
               caseId,
+              narrateAdopt,
             });
           } catch (error) {
             console.warn(