fix(rectification): stop unwritten-evidence claims and same-cluster dasha false conflicts (BUG-635–640)

Host only says 记下了 after a real write; Mastra schema rejections fail closed. Ledger year keys no longer drop quality probes, dual-dasha agreement is per cluster, width uses cluster span, and public house tables follow the inference minute.

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

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

@@ -41,6 +41,7 @@ import {
   optionIdForAnswerClass,
   shouldDeclineCollectFocus,
   shouldContinueAgentForDatedEvent,
+  classifyTurnIntentWithRetry,
 } from "@/lib/rectification-agentic/v9/turn-intent-classifier";
 import { persistServerOwnedFocus, openQuestionFromPersistedFocus, isCollectFocusSchema, isRenderableChoiceOpenQuestion } from "@/lib/rectification-agentic/v9/server-focus";
 import { buildMethodFollowupPlan } from "@/lib/rectification-agentic/v9/method-followup";
@@ -307,6 +308,8 @@ export async function POST(request: Request) {
       chatSession.model_config_version,
     ),
   });
+  let expectedWrite: "evidence" | "none" | "unknown" = "none";
+  let writeClassified = false;
   const immediateResponse = await (async (): Promise<Response | null> => {
     if (isStructuredChoice) {
       const actionId = parsed.data.actionId;
@@ -448,17 +451,15 @@ export async function POST(request: Request) {
       const focus = dossier.conversationSummary.activeFocus;
       const choice = focus ? parseAgentChoiceCopy(focus.expectedAnswerSchema) : null;
       if (focus && choice) {
-        let classified = null;
-        try {
-          classified = await classifyRectificationTurnIntent(resolvedModel, {
-            focus,
-            userMessage: parsed.data.message ?? "",
-            caseStatus,
-            signal: request.signal,
-          });
-        } catch {
-          classified = null;
-        }
+        const intent = await classifyTurnIntentWithRetry(resolvedModel, {
+          focus,
+          userMessage: parsed.data.message ?? "",
+          caseStatus,
+          signal: request.signal,
+        });
+        const classified = intent.classified;
+        expectedWrite = intent.expectedWrite;
+        writeClassified = true;
         if (!classified || classified.intent === "unclear") {
           const narration = RECTIFICATION_USER_COPY.unclearFocusReply;
           const turn = await persistV9DeterministicTurn(accounting, userId, caseId, {
@@ -540,16 +541,15 @@ export async function POST(request: Request) {
           return completedMessageResponse(finished.streamText, requestId, caseId, finished.turnId);
         }
         let classified = null;
-        try {
-          classified = await classifyRectificationTurnIntent(selectedModel, {
-            focus,
-            userMessage,
-            caseStatus,
-            signal: request.signal,
-          });
-        } catch {
-          classified = null;
-        }
+        const intent = await classifyTurnIntentWithRetry(resolvedModel, {
+          focus,
+          userMessage,
+          caseStatus,
+          signal: request.signal,
+        });
+        classified = intent.classified;
+        expectedWrite = intent.expectedWrite;
+        writeClassified = true;
         if (classified?.intent === "stop_rectification" || classified?.intent === "ask_about_result") {
           const previous = previousInferenceFromReceipt(dossier.latestResult?.decisionReceipt ?? null);
           const applied = await applyRectificationChoice(accounting, {
@@ -741,6 +741,15 @@ export async function POST(request: Request) {
       { status: 409 },
     );
   }
+  if (action === "message" && !writeClassified) {
+    const extra = await classifyTurnIntentWithRetry(selectedModel, {
+      focus: null,
+      userMessage: parsed.data.message ?? "",
+      caseStatus,
+      signal: request.signal,
+    });
+    expectedWrite = extra.expectedWrite;
+  }
 
   const requestTime = new Date();
   const chinaTime = new Date(requestTime.getTime() + 8 * 60 * 60 * 1000)
@@ -864,6 +873,7 @@ export async function POST(request: Request) {
           signal: request.signal,
           timeContext,
           generationModel: selectedModel.model,
+          expectedWrite,
           buildAgent: async (turnId, skillPackage, attemptId) => {
             let decision;
             try {