fix(rectification): resolve typed focus answers deterministically

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

@@ -1448,10 +1448,10 @@ test("persisted choice prompt replaces a competing model follow-up without a top
   );
 });
 
-test("year-locked agent follow-up is kept instead of the server template", async () => {
+test("persisted choice card owns a matching year-locked follow-up", async () => {
   const spoken = "好，实习和离职都记下了。\n\n2023 年前后，你有没有入职或者职责明显加重过？";
   const prompt = "2023 年前后 · 入职、升职或职责明显加重";
-  assert.equal(bindSpokenToOpenQuestion(spoken, prompt), spoken);
+  assert.equal(bindSpokenToOpenQuestion(spoken, prompt), "好，实习和离职都记下了。");
 
   const { options, emitted } = runOptions({
     buildAgent: async () => fakeAgentStream([
@@ -1471,12 +1471,12 @@ test("year-locked agent follow-up is kept instead of the server template", async
   });
   const result = await runV9AgentTurn(options);
   assert.equal(result.ok, true);
-  assert.equal(result.answerText, spoken);
-  assert.match(result.answerText, /你有没有入职或者职责明显加重过/);
+  assert.equal(result.answerText, "好，实习和离职都记下了。");
+  assert.doesNotMatch(result.answerText, /你有没有入职或者职责明显加重过/);
   assert.doesNotMatch(result.answerText, /有没有明显入职、升职或职责明显加重/);
   assert.deepEqual(
     emitted.filter((event) => event.type === "answer.delta"),
-    [{ type: "answer.delta", text: spoken }],
+    [{ type: "answer.delta", text: result.answerText }],
   );
 });
 
@@ -1486,10 +1486,10 @@ test("lock-only prompt is not spliced into speech", () => {
   assert.equal(bindSpokenToOpenQuestion("记下了。", lock), "记下了。");
 });
 
-test("legacy full-sentence lock remains a last-resort spoken fallback", () => {
+test("full-sentence lock is rendered only by the persisted choice card", () => {
   const spoken = "好的。\n\n2016 年高考发挥失常过吗？";
   const prompt = "2023 年前后，有没有明显入职、升职或职责明显加重？";
-  assert.equal(bindSpokenToOpenQuestion(spoken, prompt), `好的。\n\n${prompt}`);
+  assert.equal(bindSpokenToOpenQuestion(spoken, prompt), "好的。");
 });
 
 test("model terminal text-delta is the reply even when Case narration could be composed", async () => {