fix(rectification): adopt/gate turns use uuid request ids; post-adopt checks carry the state probe id (BUG-1149, BUG-1150)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017eEAG8HD3mm8gsKXgk8uU8

frontend/src/lib/rectification-agentic/v9/answer-choice.ts

@@ -6,6 +6,7 @@
  * returns a fallback narration in one receipt.
  */
 
+import { createHash } from "node:crypto";
 import { posteriorMap, scoreDeltas } from "../core/decision-fingerprint";
 import { productDeliveryForDomain } from "./product-delivery.ts";
 import { nextProbe } from "../core/build-state";
@@ -188,7 +189,7 @@ function exhaustionCarrierNarration(range: string | null | undefined, gate: stri
 }
 
 export function exhaustionGateRequestId(askedTurnId: string | null | undefined, caseId: string): string {
-  return `${askedTurnId ?? caseId}:gate`;
+  return deterministicTurnRequestId(`gate:${askedTurnId ?? caseId}`);
 }
 
 export async function persistExhaustionGateTurn(input: {
@@ -1621,6 +1622,21 @@ export async function persistCollectDenialTurn(input: {
   return { streamText, turnId: turn.turnId };
 }
 
+/**
+ * `append_agentic_rectification_turn` keys idempotency on a uuid `p_request_id`; a suffixed
+ * id (「<uuid>:adopt」「<uuid>:gate」) is rejected by PostgreSQL (BUG-1149). Same seed → same uuid,
+ * so a retried request still lands on the same turn.
+ */
+export function adoptTurnRequestId(requestId: string): string {
+  return deterministicTurnRequestId(`adopt:${requestId}`);
+}
+
+export function deterministicTurnRequestId(seed: string): string {
+  const hex = createHash("sha256").update(`rectification-turn:${seed}`).digest("hex");
+  const variant = ((parseInt(hex[16]!, 16) & 0x3) | 0x8).toString(16);
+  return `${hex.slice(0, 8)}-${hex.slice(8, 12)}-5${hex.slice(13, 16)}-${variant}${hex.slice(17, 20)}-${hex.slice(20, 32)}`;
+}
+
 /**
  * BUG-1146: after 采用 the first post-adopt check is persisted by persistNextInterviewIfIdle, but the
  * accept route wrote no turn. The read_only agent call that follows short-circuits as
@@ -1645,7 +1661,7 @@ export async function writeAdoptFollowupTurn(input: {
     && (focus.intent === "reverse_verify" || focus.intent === "out_of_sample_check"));
   // The stem leaves the body once the card attaches; the lead is what the message says.
   const turn = await persistV9DeterministicTurn(input.accounting, input.userId, input.caseId, {
-    requestId: `${input.requestId}:adopt`,
+    requestId: adoptTurnRequestId(input.requestId),
     userMessage: null,
     assistantMessage: check ? `${postAdoptCheckLead(input.savedTime)}${narration}` : narration,
   });

frontend/src/lib/rectification-agentic/v9/server-focus.ts

@@ -149,6 +149,14 @@ export function expectedAnswerSchemaFor(
   if (typeof followup.probe_year === "number" && followup.probe_year > 0) {
     stamped.probe_year = followup.probe_year;
   }
+  // BUG-1150: a scoring post-adopt check names its own probe. When the state holds that probe
+  // (same semantic key and split), carry the state's id — split-hashed ids are
+  // 「probe:<key>:<split>」 and the transition RPC rejects the bare 「probe:<key>」 as stale.
+  if (verifyOnly && state && followup.semantic_key) {
+    const own = state.probes.find((probe) => probe.semantic_key === followup.semantic_key
+      && (!followup.candidate_split_hash || probe.candidate_split_hash === followup.candidate_split_hash));
+    if (own) stamped.probe_id = own.id;
+  }
   if (verifyOnly || targetedCollect) return stamped;
   return state && stamped.scoring !== false && !schemaProbeId(stamped) ? null : stamped;
 }