fix(rectification): surface dropped probes and filter tools by the decision

Silent unrenderable discriminators, a missing question-contract golden, and a always-on tool table were hiding fail-closed drops behind the prompt wall.

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

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

@@ -2,12 +2,14 @@ import { NextResponse } from "next/server";
 import { z } from "zod";
 import { getRectificationV9Agent, type RectificationAgentAction } from "@/mastra/agentic-rectification";
 import {
+  evidenceLedgerFingerprint,
   loadV9CaseCompute,
   loadV9CaseDossier,
   persistV9DeterministicTurn,
   RectificationToolServiceError,
   transitionV9CaseStatus,
 } from "@/lib/rectification-agentic/v9/tool-service";
+import { decideFromDossier, rectificationFollowupCatalog } from "@/lib/rectification-agentic/v9/decision-from-dossier";
 import { applyRectificationChoice } from "@/lib/rectification-agentic/v9/answer-choice";
 import { mapRectificationRpcError } from "@/lib/rectification-agentic/v9/case-service";
 import { CHOICE_ACTION, STOP_ACTION } from "@/lib/rectification-agentic/v9/choice-action";
@@ -28,7 +30,6 @@ import {
   classifyRectificationTurnIntent,
   optionIdForAnswerClass,
 } from "@/lib/rectification-agentic/v9/turn-intent-classifier";
-import { decideFromDossier, rectificationFollowupCatalog } from "@/lib/rectification-agentic/v9/decision-from-dossier";
 import { persistServerOwnedFocus, openQuestionFromPersistedFocus } from "@/lib/rectification-agentic/v9/server-focus";
 import { buildMethodFollowupPlan } from "@/lib/rectification-agentic/v9/method-followup";
 
@@ -580,16 +581,26 @@ export async function POST(request: Request) {
           signal: request.signal,
           timeContext,
           generationModel: selectedModel.model,
-          buildAgent: (turnId, skillPackage, attemptId) => Promise.resolve(
-            getRectificationV9Agent(selectedModel, {
+          buildAgent: async (turnId, skillPackage, attemptId) => {
+            let decision;
+            try {
+              const dossier = await loadV9CaseDossier(accounting as never, userId, caseId);
+              decision = decideFromDossier(dossier, {
+                currentEvidenceFingerprint: evidenceLedgerFingerprint(dossier.evidence),
+              });
+            } catch {
+              decision = undefined;
+            }
+            return getRectificationV9Agent(selectedModel, {
               userId,
               caseId,
               turnId,
               attemptId,
               userMessage: action === "message" ? parsed.data.message ?? null : null,
               accounting: accounting as never,
-            }, skillPackage),
-          ),
+              decision,
+            }, skillPackage);
+          },
         });
 
         if (!result.ok) {

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

@@ -12,6 +12,7 @@ import {
   type V9CaseDossier,
 } 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 { previousInferenceFromReceipt } from "@/lib/rectification-agentic/v9/inference-adapter";
 import { publicDecisionFields } from "@/lib/rectification-agentic/core/rectification-decision";
 
@@ -116,6 +117,7 @@ function dossierResponse(
     evidence: dossier.evidence,
     latest_result: dossier.latestResult ? overlayPublicDecision(dossier.latestResult, decision) : null,
     interview: publicDecisionFields(decision),
+    current_question: projectCurrentQuestion(dossier.conversationSummary.activeFocus),
     choice_card: choiceCardFromCaseDossier(dossier),
   };
 }