Refactor project structure and dependencies; rename package to azaion-ui, update version to 0.0.1, and remove unused files. Introduce new routing and authentication features in App component.

src/auth/AuthContext.tsx

@@ -0,0 +1,54 @@
+import { createContext, useContext, useState, useCallback, useEffect, type ReactNode } from 'react'
+import { api, setToken } from '../api/client'
+import type { AuthUser } from '../types'
+
+interface AuthState {
+  user: AuthUser | null
+  loading: boolean
+  login: (email: string, password: string) => Promise<void>
+  logout: () => Promise<void>
+  hasPermission: (perm: string) => boolean
+}
+
+const AuthContext = createContext<AuthState>(null!)
+
+export function useAuth() {
+  return useContext(AuthContext)
+}
+
+export function AuthProvider({ children }: { children: ReactNode }) {
+  const [user, setUser] = useState<AuthUser | null>(null)
+  const [loading, setLoading] = useState(true)
+
+  useEffect(() => {
+    api.get<{ user: AuthUser; token: string }>('/api/admin/auth/refresh')
+      .then(data => {
+        setToken(data.token)
+        setUser(data.user)
+      })
+      .catch(() => {})
+      .finally(() => setLoading(false))
+  }, [])
+
+  const login = useCallback(async (email: string, password: string) => {
+    const data = await api.post<{ token: string; user: AuthUser }>('/api/admin/auth/login', { email, password })
+    setToken(data.token)
+    setUser(data.user)
+  }, [])
+
+  const logout = useCallback(async () => {
+    try { await api.post('/api/admin/auth/logout') } catch {}
+    setToken(null)
+    setUser(null)
+  }, [])
+
+  const hasPermission = useCallback((perm: string) => {
+    return user?.permissions.includes(perm) ?? false
+  }, [user])
+
+  return (
+    <AuthContext.Provider value={{ user, loading, login, logout, hasPermission }}>
+      {children}
+    </AuthContext.Provider>
+  )
+}