Initial commit: X-Server Mobile enterprise tool system

- Frontend: React 18 + TypeScript + Vite + Ant Design Mobile
- Backend: PHP 8.5 + Webman 2.x + MySQL + Redis
- i18n support: Chinese, English, Russian, Spanish, French
- Approval workflow engine
- Docker development environment
- Feishu integration

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/stores/user.ts

@@ -0,0 +1,51 @@
+import { create } from 'zustand'
+import { persist } from 'zustand/middleware'
+import type { User, Company } from '@/types'
+
+interface UserState {
+  user: User | null
+  token: string | null
+  currentCompany: Company | null
+  isLoggedIn: boolean
+
+  // Actions
+  setUser: (user: User | null) => void
+  setToken: (token: string | null) => void
+  setCurrentCompany: (company: Company | null) => void
+  login: (user: User, token: string) => void
+  logout: () => void
+}
+
+export const useUserStore = create<UserState>()(
+  persist(
+    (set) => ({
+      user: null,
+      token: null,
+      currentCompany: null,
+      isLoggedIn: false,
+
+      setUser: (user) => set({ user }),
+      setToken: (token) => set({ token }),
+      setCurrentCompany: (currentCompany) => set({ currentCompany }),
+
+      login: (user, token) => {
+        localStorage.setItem('access_token', token)
+        set({ user, token, isLoggedIn: true })
+      },
+
+      logout: () => {
+        localStorage.removeItem('access_token')
+        set({ user: null, token: null, currentCompany: null, isLoggedIn: false })
+      },
+    }),
+    {
+      name: 'user-storage',
+      partialize: (state) => ({
+        user: state.user,
+        token: state.token,
+        currentCompany: state.currentCompany,
+        isLoggedIn: state.isLoggedIn,
+      }),
+    }
+  )
+)