fix(rectification): stop re-parsing settled messages on every stream frame

frontend/tests/rectification-agentic-entry.test.ts

@@ -12,6 +12,10 @@ const chat = readFileSync(
   new URL("../src/components/rectification-agentic-chat.tsx", import.meta.url),
   "utf8",
 );
+const messageEntry = readFileSync(
+  new URL("../src/components/rectification-message-entry.tsx", import.meta.url),
+  "utf8",
+);
 const activityStatus = readFileSync(
   new URL("../src/components/agent-activity-status.tsx", import.meta.url),
   "utf8",
@@ -352,10 +356,13 @@ test("rectification keeps receipts for the varga sentence and shows live tool pr
   assert.match(activityHelper, /filter\(isPublicRectificationTool\)/);
   assert.match(activityHelper, /receipt\.methods/);
   assert.match(activityHelper, /filter\(isPublicRectificationMethod\)/);
-  assert.match(chat, /completedReceipt\?: CompletedActivityReceiptView/);
-  assert.match(chat, /showActivity=\{displayedMessage\.state !== "settled"\}/);
-  assert.match(chat, /vargaSentenceFromMethods/);
-  assert.match(chat, /vargaSentence=\{vargaSentence\}/);
+  // 原值: 上述 token 都在 rectification-agentic-chat.tsx 的 messages.map 内。
+  // 新值: RenderMessage / 时间轴 / varga 句随行组件抽出。
+  // 原因: BUG-725 已结算行记忆化，派生不得留在容器每帧计算。
+  assert.match(messageEntry, /completedReceipt\?: CompletedActivityReceiptView/);
+  assert.match(messageEntry, /showActivity=\{displayedMessage\.state !== "settled"\}/);
+  assert.match(messageEntry, /vargaSentenceFromMethods/);
+  assert.match(messageEntry, /vargaSentence=\{vargaSentence\}/);
   assert.match(chat, /activityTraceFromReceipt/);
   assert.match(activityStatus, /vargaSentence/);
   assert.match(activityStatus, /VargaTraceStep/);
@@ -375,9 +382,14 @@ test("rectification keeps receipts for the varga sentence and shows live tool pr
     chat.indexOf("{messages.map((message) => {"),
     chat.indexOf("{savedTime &&"),
   );
-  const replyIndex = messageRender.indexOf("<ChatMessageRow");
+  // 原值: `<ChatMessageRow` 写在容器 messages.map 里。
+  // 新值: 行渲染在 `rectification-message-entry.tsx`，容器 map 只挂行组件。
+  // 原因: BUG-725 抽出 memo 行。
+  const replyIndex = messageEntry.indexOf("<ChatMessageRow");
   assert.ok(replyIndex >= 0);
+  assert.match(messageRender, /<RectificationMessageEntry/);
   assert.doesNotMatch(messageRender, /<RectificationHouseTableView/);
+  assert.doesNotMatch(messageEntry, /<RectificationHouseTableView/);
   // Former locks on `completed-activity-receipt.tsx` (`<details>`, never open, the "本轮完成 · N 个
   // 步骤" summary): that was a second collapsed block under every settled rectification reply.
   // Its methods now sit as source chips on the shared timeline's calculate row (BUG-476).
@@ -397,7 +409,10 @@ test("rectification keeps receipts for the varga sentence and shows live tool pr
   assert.match(chat, /completeActivityTraceStep/);
   // Former lock: `activityStatus` contained `activityTrace` — the rectification-only trace panel.
   // The trace is now projected onto the shared timeline rows (BUG-476); the panel is a fallback.
-  assert.match(chat, /rectificationTimelineRows/);
+  // 原值: chat 源码直接调用 rectificationTimelineRows。
+  // 新值: 调用点在行组件内。
+  // 原因: BUG-725 容器不再每帧派生时间轴行。
+  assert.match(messageEntry, /rectificationTimelineRows/);
   assert.doesNotMatch(activityStatus, /activityTrace/);
   assert.match(activityStatus, /className="message-thinking"/);
   assert.match(activityStatus, />思考</);
@@ -409,7 +424,10 @@ test("completed Agent replies restore feedback, copy and safe in-place regenerat
   for (const label of ["赞", "踩", "复制回答", "重新生成回答"]) {
     assert.match(messageActions, new RegExp(`aria-label="${label}"`));
   }
-  assert.match(chat, /<ChatMessageActions/);
+  // 原值: `<ChatMessageActions` 写在容器 messages.map 里。
+  // 新值: 动作条随行组件抽出；容器仍切换 feedback。
+  // 原因: BUG-725 动作回调走 actionsRef，组件本身仍要渲染动作条。
+  assert.match(messageEntry, /<ChatMessageActions/);
   assert.match(chat, /toggleRectificationFeedback/);
   assert.match(chat, /navigator\.clipboard\.writeText\(copyTextForMessage\(message\.text, message\.question\)\)/);
   assert.match(chat, /\/turns\/\$\{encodeURIComponent\(message\.turnId\)\}\/regenerate/);
@@ -419,11 +437,12 @@ test("completed Agent replies restore feedback, copy and safe in-place regenerat
     chat.indexOf("{messages.map((message) => {"),
     chat.indexOf("{savedTime &&"),
   );
-  const replyIndex = messageRender.indexOf("<ChatMessageRow");
-  const actionsIndex = messageRender.indexOf("<ChatMessageActions");
+  const replyIndex = messageEntry.indexOf("<ChatMessageRow");
+  const actionsIndex = messageEntry.indexOf("<ChatMessageActions");
   assert.ok(replyIndex >= 0 && actionsIndex >= 0);
   assert.ok(replyIndex < actionsIndex);
   assert.doesNotMatch(messageRender, /<CompletedActivityReceipt/);
+  assert.doesNotMatch(messageEntry, /<CompletedActivityReceipt/);
 
   assert.doesNotMatch(chat, /send\("message",\s*(?:oldText|previousText)/);
   assert.doesNotMatch(regenerateRoute, /consultation-billing|reserveConsultation|billing\./);
@@ -486,7 +505,10 @@ test("the natal house table is a live board beside the chat, not a message", ()
     board.indexOf("className=\"rectification-snapshot\""),
     board.indexOf("{scoringMinutes.length > 0 || displayMinutes.length > 0"),
   );
-  const rowIndex = messageLoop.indexOf("<ChatMessageRow");
+  // 原值: `<ChatMessageRow` 在容器 map 循环里。
+  // 新值: 循环渲染 `RectificationMessageEntry`，ChatMessageRow 在行组件内。
+  // 原因: BUG-725。
+  const rowIndex = messageLoop.indexOf("<RectificationMessageEntry");
   const snapshotIndex = snapshot.indexOf("className=\"rectification-snapshot\"");
   const houseIndex = snapshot.indexOf("<RectificationHouseTableView");
   assert.ok(rowIndex >= 0);
@@ -582,12 +604,18 @@ test("rectification composer can stop a live agent run", () => {
   // 新值：isAbortError(caught)
   // 原因：选择题与采用路径共用同一中止判定（BUG-552）
   assert.match(chat, /isAbortError\(caught\)/);
-  assert.match(chat, /showActivity=\{displayedMessage\.state !== "settled"\}/);
+  // 原值: 容器 map 写 `showActivity={displayedMessage.state !== "settled"}`。
+  // 新值: 同一表达式在行组件内。
+  // 原因: BUG-725。
+  assert.match(messageEntry, /showActivity=\{displayedMessage\.state !== "settled"\}/);
 });
 
 test("aborting a live run marks the bubble stopped without an alert", () => {
   assert.match(chat, /failed: false,\s*stopped: true/);
-  assert.match(chat, /stoppedNotice=\{message\.stopped \? RECTIFICATION_STOPPED_NOTICE : undefined\}/);
+  // 原值: 停止提示 prop 写在容器 map 的 ChatMessageRow 上。
+  // 新值: 同一表达式在行组件内。
+  // 原因: BUG-725。
+  assert.match(messageEntry, /stoppedNotice=\{message\.stopped \? RECTIFICATION_STOPPED_NOTICE : undefined\}/);
   assert.doesNotMatch(chat, /role="alert"[\s\S]{0,80}RECTIFICATION_STOPPED_NOTICE/);
   const choiceFetch = chat.slice(chat.indexOf("const submitStructuredChoice"), chat.indexOf("const acceptCandidate"));
   assert.match(choiceFetch, /runAbort\.current = abortController/);
@@ -609,9 +637,13 @@ test("time-selection cards use server adoption state and stay mutually exclusive
     chat.indexOf("{messages.map((message) => {"),
     chat.indexOf("{savedTime &&"),
   );
-  const actionsIndex = messageLoop.indexOf("<ChatMessageActions");
+  // 原值: ChatMessageActions 与 RangeDelivery 都在容器 map 里，且 actions 在卡之前。
+  // 新值: 动作条在行组件内；交付卡仍在容器 map、排在行组件之后。
+  // 原因: BUG-725 行组件抽出，交付卡不属于逐消息 Markdown 边界。
+  const entryIndex = messageLoop.indexOf("<RectificationMessageEntry");
   const cardsIndex = messageLoop.indexOf("<RectificationRangeDelivery");
-  assert.ok(actionsIndex >= 0 && cardsIndex > actionsIndex);
+  assert.ok(entryIndex >= 0 && cardsIndex > entryIndex);
+  assert.match(messageEntry, /<ChatMessageActions/);
   // 旧：showSelectionCards 只看 selectionAllowed && canAdopt && !showLiveChoiceCard && !busy，
   // 锚在 latestSettledAssistant。采集题没有 A–D 卡，所以 collect_evidence 会出采用卡；
   // 采用后 busy 把卡藏掉，新消息又把卡带走。
@@ -644,11 +676,18 @@ test("time-selection cards use server adoption state and stay mutually exclusive
   // 新值: 还要有 candidateResult 才渲染行选卡
   // 原因: BUG-595 决策 1
   assert.match(messageLoop, /showSelectionCards && candidateResult && message\.renderKey === selectionCardMessageKey/);
+  // 原值: 嵌入卡 token（RectificationChoiceCard / variant / choiceNonce / answer_option）在容器 map。
+  // 新值: 嵌入卡在行组件；容器 map 仍有 persisted 题卡的 RectificationChoiceCard。
+  // 原因: BUG-725。
+  assert.match(messageEntry, /<RectificationChoiceCard/);
+  assert.match(messageEntry, /variant="embedded"/);
+  assert.match(messageEntry, /choiceNonce/);
+  assert.match(messageEntry, /question\.answer_option/);
   assert.match(messageLoop, /<RectificationChoiceCard/);
   assert.match(messageLoop, /variant="embedded"/);
   assert.match(messageLoop, /choiceNonce/);
-  assert.match(messageLoop, /question\.answer_option/);
   assert.doesNotMatch(messageLoop, /rectification-question-slot/);
+  assert.doesNotMatch(messageEntry, /rectification-question-slot/);
   assert.doesNotMatch(choiceCardComponent, /setSelectedKey\(""\)/);
   assert.match(choiceCardComponent, /selectedKey/);
   assert.match(choiceCardComponent, /is-answered/);
@@ -664,8 +703,12 @@ test("time-selection cards use server adoption state and stay mutually exclusive
   assert.doesNotMatch(chat, /send\("message", choiceCard\?\.stop_message/);
   assert.doesNotMatch(chat, /choiceCardUserMessage/);
   assert.match(caseProjection, /choice_card: choiceCardFromCaseDossier/);
-  assert.match(chat, /choiceCard\s+&& choiceCard\.focus_id === question\.focus_id/);
-  assert.match(chat, /disabled=\{!liveQuestion\}/);
+  // 原值: 容器 map 用 `choiceCard && choiceCard.focus_id === question.focus_id` 和 `disabled={!liveQuestion}`。
+  // 新值: 行组件用 liveChoiceCard / liveQuestion；容器的 live 卡判定仍比对 latestLiveQuestion。
+  // 原因: BUG-725。
+  assert.match(messageEntry, /liveChoiceCard\s+&& liveChoiceCard\.focus_id === question\.focus_id/);
+  assert.match(messageEntry, /disabled=\{!liveQuestion\}/);
+  assert.match(chat, /choiceCard\s+&& choiceCard\.focus_id === latestLiveQuestion\.focus_id/);
   assert.match(caseProjection, /current_question: projectCurrentQuestion/);
   assert.match(caseProjection, /overlayPublicDecision/);
   assert.match(caseProjection, /const fields = publicDecisionFields\(decision\)/);