fix(rectification): keep hour-window tail clusters and lock the search window (BUG-623, BUG-624, BUG-625)

Hour windows no longer drop later signature clusters. Credible range uses cluster coverage, and a mid-session spoken birth window gets a fixed reply without calling the model.

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

frontend/tests/rectification-collect-stall.test.ts

@@ -463,8 +463,8 @@ function rpcDossier(decision: DecisionDossier, activeFocus?: Record<string, unkn
   });
 }
 
-test("skill version is 10.0.19 after the delivery UI simplify bump", () => {
-  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.19");
+test("skill version is 10.0.20 after the delivery UI simplify bump", () => {
+  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.20");
 });
 
 test("revision 5 with uncovered relatives asks the dated family collect, not a yearless D12 card", () => {

frontend/tests/rectification-confirmation-gate.test.ts

@@ -359,7 +359,7 @@ test("holdout not_ready forbids unique-minute copy and still blocks confirm", as
   assert.match(agentSource, /不得宣称唯一出生分钟/);
   assert.doesNotMatch(agentSource, /±2 分钟/);
   assert.equal(PUBLIC_RECTIFICATION_TOOLS.length, 14);
-  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.19");
+  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.20");
 
   const accounting = fakeAccounting({
     ...receiptHandlers,

frontend/tests/rectification-delivery-report-facts.test.ts

@@ -199,12 +199,12 @@ test("delivery report gives 04:53 D10 as Cancer instead of letting the model inf
   assert.match(report.markdown, /04:53 \| .*巨蟹座/);
 });
 
-test("skill 10.0.19 forbids computing varga signs from transition times", () => {
+test("skill 10.0.20 forbids computing varga signs from transition times", () => {
   const skillDir = fileURLToPath(new URL("../../skills/jyotish-birth-time-rectification", import.meta.url));
   const skill = readFileSync(`${skillDir}/SKILL.md`, "utf8");
   const comparison = readFileSync(`${skillDir}/references/candidate-comparison.md`, "utf8");
-  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.19");
-  assert.match(skill, /^version: 10\.0\.19$/m);
+  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.20");
+  assert.match(skill, /^version: 10\.0\.20$/m);
   assert.match(skill, new RegExp(SKILL_SIGN_SENTENCE.replace(/[.*+?^${}()|[\]\\]/g, "\\$&")));
   assert.match(comparison, new RegExp(SKILL_SIGN_SENTENCE.replace(/[.*+?^${}()|[\]\\]/g, "\\$&")));
 });

frontend/tests/rectification-eight-method.test.ts

@@ -1454,9 +1454,9 @@ test("rescore failure does not fail the evidence write", async () => {
   assert.ok(result.rescore.error_code);
 });
 
-test("public tool surface stays at 14 and new cases bind 10.0.19", () => {
+test("public tool surface stays at 14 and new cases bind 10.0.20", () => {
   assert.equal(PUBLIC_RECTIFICATION_TOOLS.length, 14);
-  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.19");
+  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.20");
   const deprecated = resolveExactSkillPackage(
     "jyotish-birth-time-rectification",
     "10.0.2",

frontend/tests/rectification-exhaustion-exit-20260906.test.ts

@@ -576,8 +576,8 @@ function warnLines(run: () => Promise<unknown> | unknown) {
   }).then((result) => ({ result, lines }));
 }
 
-test("skill version is 10.0.19 after the delivery UI simplify bump", () => {
-  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.19");
+test("skill version is 10.0.20 after the delivery UI simplify bump", () => {
+  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.20");
 });
 
 test("USER_COLLECT_QUESTION no longer has an other fallback", () => {

frontend/tests/rectification-ingest-p0.test.ts

@@ -213,9 +213,9 @@ test("read-case evidence context keeps day labels and confirm does not rewrite d
   assert.equal("p_occurred_from" in confirmCall.args, false);
 });
 
-test("new-case skill identity is 10.0.19 and the prompt prefers batch ingest", () => {
-  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.19");
-  assert.match(skill, /^version: 10\.0\.19$/m);
+test("new-case skill identity is 10.0.20 and the prompt prefers batch ingest", () => {
+  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.20");
+  assert.match(skill, /^version: 10\.0\.20$/m);
   assert.match(skill, /不要对同一句用户消息里的多件事件逐条 propose\+confirm/);
   assert.match(agentSource, /新事件走 rectification-record-evidence-batch/);
   assert.doesNotMatch(agentSource, /分别调用 rectification-propose-evidence 和 rectification-confirm-evidence/);

frontend/tests/rectification-occupation-coverage-exit.test.ts

@@ -184,8 +184,8 @@ const CANDIDATE_IDS = [
   "88888888-8888-4888-8888-888888888882",
 ] as const;
 
-test("skill version is 10.0.19 after the delivery UI simplify bump", () => {
-  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.19");
+test("skill version is 10.0.20 after the delivery UI simplify bump", () => {
+  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.20");
 });
 
 test("nineteen-row ledger opens the training gate with four scoreable domains", () => {

frontend/tests/rectification-range-offer-deadend.test.ts

@@ -426,8 +426,8 @@ function rpcDossier(decision: DecisionDossier) {
   });
 }
 
-test("skill version is 10.0.19 after the delivery UI simplify bump", () => {
-  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.19");
+test("skill version is 10.0.20 after the delivery UI simplify bump", () => {
+  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.20");
 });
 
 test("pre-fix dual-exit constant is gone; range narration carries numbers and the disclaimer", () => {

frontend/tests/rectification-spoken-collect.test.ts

@@ -94,8 +94,8 @@ function collectPersistResult(overrides: {
   };
 }
 
-test("skill version is 10.0.19 after the delivery UI simplify bump", () => {
-  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.19");
+test("skill version is 10.0.20 after the delivery UI simplify bump", () => {
+  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.20");
 });
 
 test("cases current_question remains the submit contract, not a visual slot", () => {

frontend/tests/rectification-v9-agent.test.ts

@@ -96,11 +96,11 @@ test("system prompt carries only high-priority boundaries, never the method copy
 test("agent pins the dedicated rectification skill and its fixed version", () => {
   assert.equal(RECTIFICATION_V9_SKILL_NAME, "jyotish-birth-time-rectification");
   assert.equal(basename(RECTIFICATION_V9_SKILL_PATH), RECTIFICATION_V9_SKILL_NAME);
-  assert.ok(RECTIFICATION_V9_PACKAGE_PATH.endsWith("skills/jyotish-birth-time-rectification/versions/10.0.19"));
+  assert.ok(RECTIFICATION_V9_PACKAGE_PATH.endsWith("skills/jyotish-birth-time-rectification/versions/10.0.20"));
   assert.notEqual(RECTIFICATION_V9_SKILL_PATH, RECTIFICATION_V9_PACKAGE_PATH);
   assert.equal(realpathSync(RECTIFICATION_V9_SKILL_PATH), RECTIFICATION_V9_PACKAGE_PATH);
   assert.equal(RECTIFICATION_SKILL_NAME, "jyotish-birth-time-rectification");
-  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.19");
+  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.20");
 });
 
 test("step budgets are bounded per action with a hard ceiling", () => {

frontend/tests/rectification-v9-contracts.test.ts

@@ -95,9 +95,9 @@ test("terminal transitions are one-way and evidence writes stop at terminal", ()
 
 test("the active rectification skill pins the v10 identity and lives in the right directory", () => {
   assert.equal(RECTIFICATION_SKILL_NAME, "jyotish-birth-time-rectification");
-  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.19");
+  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.20");
   assert.match(skill, /^---\nname: jyotish-birth-time-rectification/m);
-  assert.match(skill, /^version: 10\.0\.19$/m);
+  assert.match(skill, /^version: 10\.0\.20$/m);
   assert.match(skill, /至多一个主问题且唯一来源：[\s\S]*不得自行提出、复述、改写或预告问题/);
   for (const reference of references) {
     const content = readFileSync(`${skillDirectory}/references/${reference}`, "utf8");

frontend/tests/rectification-v9-entry-routing.test.ts

@@ -209,7 +209,7 @@ test("open RPC passes the pinned skill and server-derived baseline only", async
         session_id: SESSION_ID,
         status: "draft",
         should_start_opening: true,
-        skill_version: "10.0.19",
+        skill_version: "10.0.20",
       };
     }
     return null;
@@ -247,11 +247,11 @@ test("open RPC passes the pinned skill and server-derived baseline only", async
   });
   assert.equal(response.disposition, "created");
   assert.equal(response.shouldStartOpening, true);
-  assert.equal(response.skillVersion, "10.0.19");
+  assert.equal(response.skillVersion, "10.0.20");
   const openCall = accounting.calls.find((call) => call.fn === "open_agentic_rectification_case_v2");
   assert.ok(openCall);
   assert.equal(openCall.args.p_skill_name, "jyotish-birth-time-rectification");
-  assert.equal(openCall.args.p_skill_version, "10.0.19");
+  assert.equal(openCall.args.p_skill_version, "10.0.20");
   assert.equal(openCall.args.p_user_id, "user-1");
   // The server derives the baseline; the request never carries it from the browser.
   assert.equal("birth_date" in openCall.args, false);

frontend/tests/rectification-window-cluster-cap-20260909.test.ts

@@ -0,0 +1,84 @@
+import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
+import test from "node:test";
+
+import { buildInferenceState } from "../src/lib/rectification-agentic/core/build-state.ts";
+import { unionStillValidRange } from "../src/lib/rectification-agentic/core/credible-range.ts";
+import { RECTIFICATION_USER_COPY } from "../src/lib/rectification-agentic/user-copy.ts";
+import { MACHINE_VOICE_LEXICON } from "../src/lib/rectification-agentic/v9/agent-voice-lexicon.ts";
+import { stripVerbalWindowChange } from "../src/lib/rectification-agentic/v9/collect-prompt.ts";
+import { parseDeclaredBirthWindow } from "../src/lib/rectification-agentic/v9/declared-window-utterance.ts";
+import { RECTIFICATION_SKILL_VERSION } from "../src/lib/rectification-agentic/v9/case-status.ts";
+
+const ROUTE = readFileSync(
+  new URL("../src/app/api/rectification/agent/route.ts", import.meta.url),
+  "utf8",
+);
+const SKILL = readFileSync(
+  new URL("../../skills/jyotish-birth-time-rectification/SKILL.md", import.meta.url),
+  "utf8",
+);
+
+test("declared birth-window utterances parse ranges and around-times", () => {
+  assert.deepEqual(
+    parseDeclaredBirthWindow("我的出生时间是 14 点 45 到 14 点 50"),
+    { kind: "range", start: "14:45", end: "14:50" },
+  );
+  assert.deepEqual(
+    parseDeclaredBirthWindow("14:45–14:50"),
+    { kind: "range", start: "14:45", end: "14:50" },
+  );
+  assert.deepEqual(
+    parseDeclaredBirthWindow("14:47 左右"),
+    { kind: "around", time: "14:47" },
+  );
+  assert.equal(parseDeclaredBirthWindow("没有"), null);
+  assert.equal(parseDeclaredBirthWindow("2014年入学，大概秋天"), null);
+  assert.equal(parseDeclaredBirthWindow("继续吧"), null);
+});
+
+test("choice-focus declared window is answered from the route before the model", () => {
+  const intercept = ROUTE.indexOf('if (action === "message" && parseDeclaredBirthWindow');
+  const selectedModel = ROUTE.indexOf("const selectedModel = isStructuredChoice");
+  const classifyCall = ROUTE.indexOf("await classifyRectificationTurnIntent");
+  assert.ok(intercept > 0);
+  assert.ok(selectedModel > intercept);
+  assert.ok(classifyCall > intercept);
+  assert.match(ROUTE, /declaredWindowLockedReply/);
+  assert.match(ROUTE, /persistV9DeterministicTurn/);
+  assert.equal(
+    RECTIFICATION_USER_COPY.declaredWindowLockedReply,
+    "搜索范围是开始时按你的资料定的，校正过程中不改。想按别的时间段重来，请先到资料里改出生时间，再新建一次校正。",
+  );
+});
+
+test("engine cluster coverage becomes the credible-range right edge", () => {
+  const state = buildInferenceState({
+    range_start: "14:00",
+    range_end: "15:00",
+    candidates: [{
+      id: "14:40",
+      time: "14:40",
+      relative_support: 40,
+      cluster_times: ["14:40", "14:41", "14:42", "14:43", "14:44", "14:45"],
+      cluster_start: "14:40",
+      cluster_end: "14:45",
+    }],
+    events: [],
+    probes: [],
+  });
+  assert.deepEqual(state.candidates[0]?.cluster_range, ["14:40", "14:45"]);
+  assert.deepEqual(unionStillValidRange(state.candidates), ["14:40", "14:45"]);
+});
+
+test("agent body cannot verbally accept a spoken birth window", () => {
+  assert.ok(MACHINE_VOICE_LEXICON.includes("以你说的为准"));
+  assert.equal(
+    stripVerbalWindowChange("明白了，出生时间以你说的 14:45–14:50 为准。"),
+    "明白了，出生时间。",
+  );
+  assert.equal(stripVerbalWindowChange("以你说的为准。"), "");
+  assert.equal(stripVerbalWindowChange("明白了，以你说的为准。"), "明白了。");
+  assert.match(SKILL, /不得回答『以你说的为准』或改写搜索窗口/);
+  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.20");
+});

frontend/tests/skill-registry.test.ts

@@ -85,8 +85,8 @@ test("checked-in registry verifies hashed product packages and leaves consult on
     [
       {
         name: "jyotish-birth-time-rectification",
-        version: "10.0.19",
-        sha256: "a68885d3cf2110ee456bff65210c60e6bef4da4ea45e2a790a5462fd6d7307c8",
+        version: "10.0.20",
+        sha256: "9c09867591cc9e8726f3577346230339b5a6dd4b4f3d634a9cda3e66170d6ac6",
       },
       {
         name: "jyotish-personal-report",