Add admin-frontend and user-frontend standalone projects, certification/invoice/discovery features, fix auth header and theme consistency

user-frontend/src/stores/auth.js

@@ -0,0 +1,40 @@
+import { defineStore } from 'pinia'
+import { ref, computed } from 'vue'
+import { login as loginApi, getUserInfo } from '@/api'
+
+const TOKEN_KEY = 'token'
+
+export const useAuthStore = defineStore('auth', () => {
+  const token = ref(localStorage.getItem(TOKEN_KEY) || '')
+  const user = ref(JSON.parse(localStorage.getItem('user') || 'null'))
+
+  const isLoggedIn = computed(() => !!token.value)
+
+  async function login(credentials) {
+    const res = await loginApi(credentials)
+    token.value = res.access_token
+    localStorage.setItem(TOKEN_KEY, res.access_token)
+    if (res.user) {
+      user.value = res.user
+      localStorage.setItem('user', JSON.stringify(res.user))
+    }
+    return res
+  }
+
+  async function fetchUser() {
+    try {
+      const res = await getUserInfo()
+      user.value = res.data || res
+      localStorage.setItem('user', JSON.stringify(user.value))
+    } catch { /* 401 will trigger interceptor redirect */ }
+  }
+
+  function logout() {
+    token.value = ''
+    user.value = null
+    localStorage.removeItem(TOKEN_KEY)
+    localStorage.removeItem('user')
+  }
+
+  return { token, user, isLoggedIn, login, fetchUser, logout }
+})