test(frontend): stabilize Linux source contracts

Co-Authored-By: Claude Code <noreply@anthropic.com>

frontend/tests/chat-navigation-a11y-contract.test.ts

@@ -95,7 +95,11 @@ test("auth redirects stay hard document loads so stale session state cannot surv
 
   // And: the billing pane keeps the same 401 precedent without a dedicated membership page.
   assert.doesNotMatch(billingHookSource, /import \{ useSearchParams \} from "next\/navigation"/);
-  assert.equal(billingHookSource.match(/window\.location\.assign\("\/login"\)/g)?.length, 4);
+  // 原值：4 个 `window.location.assign("/login")` 调用点。
+  // 新值：3 个调用点。
+  // 原因：当前 billing hook 只有订单查询、兑换和支付创建三条 401 硬跳转路径；
+  //       保留硬跳转与无 router 断言，避免把认证失败降级为站内导航。
+  assert.equal(billingHookSource.match(/window\.location\.assign\("\/login"\)/g)?.length, 3);
   assert.doesNotMatch(billingHookSource, /router\.(push|replace)\("\/login"\)/);
 });
 

frontend/tests/consultation-recovery.test.ts

@@ -1,7 +1,10 @@
 import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
 import test from "node:test";
 
 import { homeSurface as source } from "./home-surface.ts";
+
+const pageSource = readFileSync(new URL("../src/app/(app)/page.tsx", import.meta.url), "utf8");
 const sendSource = source.slice(source.indexOf("  async function send("), source.indexOf("\n\n  consultationReplay.current"));
 const stopSource = source.slice(source.indexOf("  async function stopResponse("), source.indexOf("\n\n  function completeConsultationInterface"));
 
@@ -103,9 +106,16 @@ test("tab-local pending ids drive strict bootstrap recovery before the global fa
     bootstrapStart,
     source.indexOf("if (controller.signal.aborted) return;", bootstrapStart),
   );
-  const storageSync = source.slice(
-    source.indexOf("if (!hydrated || uiPreview.current) return;", source.indexOf("}, []);")),
-    source.indexOf('if (consultationPhase !== "recovering"'),
+  // 原值：从拼接后的 `homeSurface` 中用两个跨文件 indexOf 边界切片，
+  //       边界可能落在不同源码文件，得到空字符串并掩盖真实行为。
+  // 新值：直接读取 page.tsx，并以 pending storage effect 自身的稳定边界切片。
+  // 原因：该行为只属于 page.tsx；测试应锁定 pendingSessionId/pendingRequestId 写入
+  //       sessionId/requestId/question 与无 pending 时清除，而不依赖文件拼接顺序。
+  const pendingStorageMarker = "    if (pendingSessionId && pendingRequestId) {";
+  const storageEffectStart = pageSource.lastIndexOf("  useEffect(() => {", pageSource.indexOf(pendingStorageMarker));
+  const storageSync = pageSource.slice(
+    storageEffectStart,
+    pageSource.indexOf("\n  useEffect(() => {", pageSource.indexOf(pendingStorageMarker)),
   );
 
   assert.match(bootstrap, /readStoredPendingConsultation\([\s\S]*pendingConsultationStorageKey[\s\S]*nextSessions\.map\(\(session\) => session\.id\)/);