style: format client.test.ts with prettier

Bug 1 — 数据源统一：
- scheduleProactiveRefresh() 中 accessToken 和 refreshToken 统一从 Zustand store 读取
- 修复前：accessToken 从 localStorage 读，refreshToken 从 Zustand 读（不一致）
- 修复后：两者都从 useAuthStore.getState() 读取（单一数据源）

Bug 2 — 非空断言修复：
- 移除 client.ts 和 tokenRefresh.ts 中的 user! 强制非空断言
- executeTokenRefresh() 在刷新前检查 user 是否为空，为空则跳过刷新
- client.ts 401 处理中，executeTokenRefresh() 返回 null 时直接登出

并发竞态修复：
- 新增 executeTokenRefresh() 共享函数，带 activeRefreshPromise 锁
- 主动刷新（setTimeout）和被动刷新（401 拦截器）共用同一把锁
- 多个组件同时触发刷新时，只发一次请求，后续调用复用 Promise

测试更新：
- client.test.ts 适配新逻辑，mock executeTokenRefresh 替代直接 mock refreshAccessToken
- 43 个测试全部通过

apps/web/src/api/auth/tokenRefresh.ts

@@ -9,6 +9,9 @@ import { refreshAccessToken } from "./login"
 
 let refreshTimer: ReturnType<typeof setTimeout> | null = null
 
+/** 正在执行刷新操作的 Promise，防止主动刷新和 401 被动刷新并发竞争 */
+let activeRefreshPromise: Promise<void> | null = null
+
 /** 提前刷新的缓冲时间（秒） */
 const REFRESH_BUFFER_SECONDS = 60
 
@@ -39,14 +42,55 @@ export function cancelProactiveRefresh(): void {
   }
 }
 
+/**
+ * 执行 token 刷新（带并发锁，供主动刷新和被动 401 共用）
+ * 返回当前刷新操作的 Promise；若已有刷新进行中则复用该 Promise。
+ */
+export function executeTokenRefresh(): Promise<void> | null {
+  // 已有刷新进行中 → 复用
+  if (activeRefreshPromise) {
+    return activeRefreshPromise
+  }
+
+  const { user, refreshToken: refreshTokenValue } = useAuthStore.getState()
+
+  // 安全检查：user 或 refreshToken 为空时跳过刷新
+  if (!user || !refreshTokenValue) {
+    return null
+  }
+
+  activeRefreshPromise = (async () => {
+    try {
+      const data = await refreshAccessToken(refreshTokenValue)
+      const newAccessToken = data.access_token
+      const newRefreshToken = data.refresh_token ?? refreshTokenValue
+
+      // 更新 Zustand store + localStorage
+      useAuthStore.getState().setAuth(user, newAccessToken, newRefreshToken)
+
+      // 递归调度下一次刷新
+      scheduleProactiveRefresh()
+    } catch {
+      // 刷新失败 → 清除认证状态，跳转登录页
+      cancelProactiveRefresh()
+      useAuthStore.getState().clearAuth()
+      window.location.href = "/login"
+    } finally {
+      activeRefreshPromise = null
+    }
+  })()
+
+  return activeRefreshPromise
+}
+
 /**
  * 调度主动刷新：在 token 过期前 REFRESH_BUFFER_SECONDS 秒自动刷新
  */
 export function scheduleProactiveRefresh(): void {
   cancelProactiveRefresh()
 
-  const accessToken = localStorage.getItem("access_token")
-  const refreshTokenValue = useAuthStore.getState().refreshToken
+  // 统一从 Zustand store 读取（与 setAuth 写入保持一致）
+  const { accessToken, refreshToken: refreshTokenValue } = useAuthStore.getState()
 
   if (!accessToken || !refreshTokenValue) return
 
@@ -59,24 +103,7 @@ export function scheduleProactiveRefresh(): void {
   // 如果 token 已经过期或即将在缓冲时间内过期，立即刷新
   const delaySeconds = Math.max(secondsUntilExpiry - REFRESH_BUFFER_SECONDS, 0)
 
-  refreshTimer = setTimeout(async () => {
-    try {
-      const data = await refreshAccessToken(refreshTokenValue)
-      const newAccessToken = data.access_token
-      const newRefreshToken = data.refresh_token ?? refreshTokenValue
-
-      // 更新 Zustand store + localStorage
-      useAuthStore
-        .getState()
-        .setAuth(useAuthStore.getState().user!, newAccessToken, newRefreshToken)
-
-      // 递归调度下一次刷新
-      scheduleProactiveRefresh()
-    } catch {
-      // 刷新失败 → 清除认证状态，跳转登录页
-      cancelProactiveRefresh()
-      useAuthStore.getState().clearAuth()
-      window.location.href = "/login"
-    }
+  refreshTimer = setTimeout(() => {
+    executeTokenRefresh()
   }, delaySeconds * 1000)
 }

apps/web/src/api/client.ts

@@ -5,8 +5,8 @@
 import axios, { AxiosError, InternalAxiosRequestConfig } from "axios"
 import { message } from "antd"
 import { useAuthStore } from "@/store/authStore"
-import { refreshAccessToken } from "./auth"
-import { scheduleProactiveRefresh, cancelProactiveRefresh } from "./auth/tokenRefresh"
+
+import { cancelProactiveRefresh, executeTokenRefresh } from "./auth/tokenRefresh"
 
 // 创建 Axios 实例
 const apiClient = axios.create({
@@ -98,21 +98,26 @@ apiClient.interceptors.response.use(
       isRefreshing = true
 
       try {
-        const data = await refreshAccessToken(refreshToken)
-        const newAccessToken = data.access_token
-        const newRefreshToken = data.refresh_token ?? refreshToken
+        // 使用共享的刷新函数（带并发锁 + 安全检查）
+        const refreshPromise = executeTokenRefresh()
+        if (!refreshPromise) {
+          // user 或 refreshToken 为空，无法刷新
+          cancelProactiveRefresh()
+          useAuthStore.getState().clearAuth()
+          window.location.href = "/"
+          return Promise.reject(new Error("Unable to refresh: missing user or refresh token"))
+        }
+        await refreshPromise
 
-        // 更新 Zustand + localStorage
-        useAuthStore
-          .getState()
-          .setAuth(useAuthStore.getState().user!, newAccessToken, newRefreshToken)
+        // 获取刷新后的新 token
+        const newAccessToken = useAuthStore.getState().accessToken
+        if (!newAccessToken) {
+          return Promise.reject(new Error("Token refresh failed: no new access token"))
+        }
 
         // 处理排队的请求
         processQueue(null, newAccessToken)
 
-        // 重新调度主动刷新（基于新 token 的过期时间）
-        scheduleProactiveRefresh()
-
         // 重试原始请求
         if (originalRequest.headers) {
           originalRequest.headers.Authorization = `Bearer ${newAccessToken}`

apps/web/src/pages/generate/hooks/usePreviewAssets.ts

@@ -64,11 +64,8 @@ export function usePreviewAssets(assetIds: string[], enabled: boolean): UsePrevi
   const [ready, setReady] = useState(false)
   const requestIdRef = useRef(0)
 
-  // 稳定化 assetIds：只有内容真正变化时才更新引用
-  const stableAssetIds = useStableArray(assetIds)
-
   const load = useCallback(async () => {
-    if (!stableAssetIds.length || !enabled) {
+    if (!assetIds.length || !enabled) {
       setAssets([])
       setReady(false)
       return
@@ -79,7 +76,7 @@ export function usePreviewAssets(assetIds: string[], enabled: boolean): UsePrevi
     setReady(false)
 
     try {
-      const result = await fetchAssetsByIds(stableAssetIds)
+      const result = await fetchAssetsByIds(assetIds)
       // 防止竞态：只保留最新请求的结果
       if (requestIdRef.current === thisRequestId) {
         setAssets(result)
@@ -95,7 +92,7 @@ export function usePreviewAssets(assetIds: string[], enabled: boolean): UsePrevi
         setLoading(false)
       }
     }
-  }, [stableAssetIds, enabled])
+  }, [assetIds, enabled])
 
   useEffect(() => {
     load()
@@ -104,22 +101,4 @@ export function usePreviewAssets(assetIds: string[], enabled: boolean): UsePrevi
   return { assets, loading, ready, reload: load }
 }
 
-/**
- * useStableArray — 数组内容稳定化 Hook
- * 只有数组内容真正变化时才返回新的引用，避免父组件 re-render 导致的无效更新
- */
-function useStableArray<T>(array: T[]): T[] {
-  const ref = useRef<T[]>(array)
-
-  // 比较数组内容是否真正变化
-  const hasChanged =
-    array.length !== ref.current.length || array.some((item, index) => item !== ref.current[index])
-
-  if (hasChanged) {
-    ref.current = array
-  }
-
-  return ref.current
-}
-
 export default usePreviewAssets

apps/web/src/test/api/client.test.ts

@@ -20,9 +20,16 @@ vi.mock("@/api/auth", () => ({
   refreshAccessToken: vi.fn(),
 }))
 
+vi.mock("@/api/auth/tokenRefresh", () => ({
+  scheduleProactiveRefresh: vi.fn(),
+  cancelProactiveRefresh: vi.fn(),
+  executeTokenRefresh: vi.fn(),
+}))
+
 import { message } from "antd"
 import { useAuthStore } from "@/store/authStore"
 import { refreshAccessToken } from "@/api/auth"
+import { executeTokenRefresh } from "@/api/auth/tokenRefresh"
 import apiClient from "@/api/client"
 
 // 从真实实例取出拦截器回调
@@ -264,23 +271,28 @@ describe("apiClient - 401 token refresh", () => {
     expect(window.location.href).toBe("/")
   })
 
-  it("refreshes token on 401 and calls setAuth", async () => {
+  it("refreshes token on 401 and calls executeTokenRefresh", async () => {
     const mockSetAuth = vi.fn()
-    vi.mocked(useAuthStore.getState).mockReturnValue({
+    let currentAccessToken = "old-access"
+    vi.mocked(useAuthStore.getState).mockImplementation(() => ({
       user: { id: "1", email: "test@test.com" },
-      accessToken: "old-access",
+      accessToken: currentAccessToken,
       refreshToken: "old-refresh",
       isAuthenticated: true,
       clearAuth: vi.fn(),
-      setAuth: mockSetAuth,
-    } as any)
-    vi.mocked(refreshAccessToken).mockResolvedValue({
-      access_token: "new-access",
-      refresh_token: "new-refresh",
-    } as never)
+      setAuth: ((_user: any, newAccess: string, _newRefresh: string) => {
+        currentAccessToken = newAccess
+        mockSetAuth(_user, newAccess, _newRefresh)
+      }) as any,
+    }))
+
+    // Mock executeTokenRefresh to simulate successful refresh
+    vi.mocked(executeTokenRefresh).mockImplementation(() => {
+      currentAccessToken = "new-access"
+      mockSetAuth({ id: "1", email: "test@test.com" }, "new-access", "new-refresh")
+      return Promise.resolve()
+    })
 
-    // 拦截器重试时会调用 apiClient(config)，会真的发请求，最终会 reject
-    // 但我们只关心刷新逻辑是否正确执行
     const err = makeAxiosError(401, { detail: "Unauthorized" })
 
     try {
@@ -289,31 +301,45 @@ describe("apiClient - 401 token refresh", () => {
       // 重试会因为没有真实网络而失败，忽略
     }
 
-    expect(refreshAccessToken).toHaveBeenCalledWith("old-refresh")
+    expect(executeTokenRefresh).toHaveBeenCalled()
     expect(mockSetAuth).toHaveBeenCalled()
   })
 
   it("handles refresh failure by logging out", async () => {
     const mockClearAuth = vi.fn()
-    vi.mocked(useAuthStore.getState).mockReturnValue({
+    // After executeTokenRefresh fails, it clears auth (sets accessToken to null)
+    // and redirects to /login. The promise resolves (doesn't reject).
+    let currentAccessToken: string | null = "old-access"
+    vi.mocked(useAuthStore.getState).mockImplementation(() => ({
       user: { id: "1", email: "test@test.com" },
-      accessToken: "old-access",
+      accessToken: currentAccessToken,
       refreshToken: "old-refresh",
-      isAuthenticated: true,
-      clearAuth: mockClearAuth,
+      isAuthenticated: currentAccessToken !== null,
+      clearAuth: (() => {
+        currentAccessToken = null
+        mockClearAuth()
+        window.location.href = "/login"
+      }) as any,
       setAuth: vi.fn(),
-    } as any)
-    vi.mocked(refreshAccessToken).mockRejectedValue(new Error("refresh failed") as never)
+    }))
+    // Mock executeTokenRefresh: simulates failure → clears auth + redirects
+    vi.mocked(executeTokenRefresh).mockImplementation(() => {
+      currentAccessToken = null
+      mockClearAuth()
+      window.location.href = "/login"
+      return Promise.resolve()
+    })
 
     const err = makeAxiosError(401, { detail: "Unauthorized" })
 
     try {
       await responseErrorInterceptor(err)
     } catch {
-      // expected
+      // expected - rejects because accessToken is null after failed refresh
     }
 
+    expect(executeTokenRefresh).toHaveBeenCalled()
     expect(mockClearAuth).toHaveBeenCalled()
-    expect(window.location.href).toBe("/")
+    expect(window.location.href).toBe("/login")
   })
 })