多轮对话记忆前端修复

src/hooks/useConversations.ts

@@ -27,11 +27,17 @@ type LocalConversationStore = {
 
 const LOCAL_CONVERSATION_STORE_KEY = 'qianjiang_guest_conversations_v1';
 
-const createLocalId = (prefix: string) => {
+const createLocalId = (_prefix: string) => {
+  try {
     if (typeof crypto !== 'undefined' && 'randomUUID' in crypto) {
       return crypto.randomUUID();
     }
-  return `${prefix}_${Date.now()}_${Math.random().toString(36).slice(2, 10)}`;
+  } catch { /* 非 HTTPS 环境，使用降级方案 */ }
+  // Fallback: 生成合法 UUID v4 格式（与 makeUUID 一致，保证 DB 兼容）
+  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {
+    const r = Math.random() * 16 | 0;
+    return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16);
+  });
 };
 
 const readLocalStore = (): LocalConversationStore => {

src/pages/ChatPage.tsx

@@ -46,16 +46,23 @@ import { Label } from "@/components/ui/label";
 const GUEST_ID_KEY = 'qianjiang_guest_uuid';
 let _guestIdMemoryFallback: string | null = null;
 let _activeConvId: string | null = null; // 模块级变量，绕过 React 闭包
+function makeUUID(): string {
+  try { return crypto.randomUUID(); } catch { /* 非 HTTPS 环境 */ }
+  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {
+    const r = Math.random() * 16 | 0;
+    return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16);
+  });
+}
 function getOrCreateGuestId(): string {
   try {
     const existing = localStorage.getItem(GUEST_ID_KEY);
     if (existing) return existing;
-    const id = crypto.randomUUID();
+    const id = makeUUID();
     localStorage.setItem(GUEST_ID_KEY, id);
     return id;
   } catch {
     // 无痕浏览等场景下 localStorage 不可用，用内存兜底保证同一会话内 ID 不变
-    if (!_guestIdMemoryFallback) _guestIdMemoryFallback = crypto.randomUUID();
+    if (!_guestIdMemoryFallback) _guestIdMemoryFallback = makeUUID();
     return _guestIdMemoryFallback;
   }
 }

src/pages/ShopPage.tsx

@@ -27,15 +27,22 @@ import { callCozeEdge } from "@/utils/cozeClient";
 // ─── 访客 ID + 会话 ID 模块级变量（绕过 React 闭包）───
 const GUEST_ID_KEY = 'qianjiang_guest_uuid';
 let _guestIdMemoryFallback: string | null = null;
+function makeUUID(): string {
+  try { return crypto.randomUUID(); } catch { /* 非 HTTPS 环境 */ }
+  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {
+    const r = Math.random() * 16 | 0;
+    return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16);
+  });
+}
 function getOrCreateGuestId(): string {
   try {
     const existing = localStorage.getItem(GUEST_ID_KEY);
     if (existing) return existing;
-    const id = crypto.randomUUID();
+    const id = makeUUID();
     localStorage.setItem(GUEST_ID_KEY, id);
     return id;
   } catch {
-    if (!_guestIdMemoryFallback) _guestIdMemoryFallback = crypto.randomUUID();
+    if (!_guestIdMemoryFallback) _guestIdMemoryFallback = makeUUID();
     return _guestIdMemoryFallback;
   }
 }

src/utils/idGenerator.ts

@@ -3,9 +3,14 @@
  * 优先使用 crypto.randomUUID()，不可用时回退到时间戳+随机数
  */
 export function generateUUID(): string {
+  try {
     if (typeof crypto !== 'undefined' && 'randomUUID' in crypto) {
       return crypto.randomUUID();
     }
-  // Fallback: timestamp + random string
-  return `${Date.now().toString(36)}_${Math.random().toString(36).slice(2, 10)}`;
+  } catch { /* 非 HTTPS 环境，使用降级方案 */ }
+  // Fallback: UUID v4 格式（保证 DB UUID 列兼容）
+  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {
+    const r = Math.random() * 16 | 0;
+    return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16);
+  });
 }