chore: update project files

demo/frontend/src/stores/user.js

@@ -25,6 +25,14 @@ export const useUserStore = defineStore('user', () => {
   const isAdmin = computed(() => user.value?.role === 'ROLE_ADMIN')
   const username = computed(() => user.value?.username || '')
 
+  // 可用积分（总积分 - 冻结积分）
+  const availablePoints = computed(() => {
+    if (!user.value) return 0
+    const total = user.value.points || 0
+    const frozen = user.value.frozenPoints || 0
+    return Math.max(0, total - frozen)
+  })
+
   // 登录
   const loginUser = async (credentials) => {
     try {
@@ -147,6 +155,7 @@ export const useUserStore = defineStore('user', () => {
     isAuthenticated,
     isAdmin,
     username,
+    availablePoints,
     // 方法
     loginUser,
     registerUser,