feat(auth): remember encrypted local login credentials

web/src/store/account.ts

@@ -11,9 +11,10 @@ import { initialShareData } from './shareReduce';
 interface AccountState extends AccountStatus {
   busy: boolean;
   hydrated: boolean;
-  login: (username: string, password: string, create: boolean) => Promise<void>;
+  login: (username: string, password: string, create: boolean, remember?: boolean) => Promise<void>;
   refresh: () => Promise<void>;
   logout: () => Promise<void>;
+  clearSavedLogin: () => Promise<void>;
   sync: () => Promise<void>;
   updatePersonal: (displayName: string, avatar?: string) => Promise<void>;
 }
@@ -26,10 +27,10 @@ export const useAccount = create<AccountState>()((set, get) => ({
   error: undefined,
   busy: false,
   hydrated: false,
-  login: async (username, password, create) => {
+  login: async (username, password, create, remember = true) => {
     set({ busy: true, error: undefined });
     try {
-      const status = create ? await accountApi.register(username, password) : await accountApi.login(username, password);
+      const status = create ? await accountApi.register(username, password, remember) : await accountApi.login(username, password, remember);
       clearViews(); await refreshResources();
       set({ ...status, busy: false, hydrated: true });
     } catch (error) {
@@ -48,13 +49,18 @@ export const useAccount = create<AccountState>()((set, get) => ({
   logout: async () => {
     set({ busy: true });
     try { await accountApi.logout(); clearViews(); await refreshResources(); }
-    finally { set({ username: null, personal: undefined, revision: 0, busy: false, error: undefined }); }
+    finally { set({ username: null, personal: undefined, remembered: false, revision: 0, busy: false, error: undefined }); }
   },
   sync: async () => {
     set({ busy: true, error: undefined });
     try { const status = await accountApi.sync(); await refreshResources(); set({ ...status, busy: false }); }
     catch (error) { set({ error: error instanceof Error ? error.message : '同步失败', busy: false }); throw error; }
   },
+  clearSavedLogin: async () => {
+    set({ busy: true, error: undefined });
+    try { const status = await accountApi.clearSavedLogin(); set({ ...status, busy: false }); }
+    catch (error) { set({ error: error instanceof Error ? error.message : '本机保存清除失败', busy: false }); throw error; }
+  },
   updatePersonal: async (displayName, avatar) => {
     set({ busy: true, error: undefined });
     try { const status = await accountApi.updatePersonal(displayName, avatar); set({ ...status, busy: false }); }