feat(avatar): add user token accounting

digital-avatar-app/src/store/avatar.ts

@@ -1,13 +1,15 @@
 import { defineStore } from 'pinia'
 import { ref } from 'vue'
-import { getAvatarList, createAvatar as apiCreate, deleteAvatar as apiDelete, getTokenBalance, getUserProfile } from '@/api'
+import { getAvatarList, createAvatar as apiCreate, deleteAvatar as apiDelete, getTokenBalance, getTokenUsage, getUserProfile } from '@/api'
 import { unwrapListData } from '@/utils/avatar-page-data'
 
 export const useAvatarStore = defineStore('avatar', () => {
   // 已创建的分身列表（来自后端）
   const avatars = ref<any[]>([])
-  // 全局 Token 余额（来自后端）
+  // 当前用户所有分身共享的 Token 账户
   const tokenBalance = ref<number>(0)
+  const tokenConsumed = ref<number>(0)
+  const tokenUsageByAvatar = ref<Record<string, number>>({})
   // 当前选中分身 id
   const currentAvatarId = ref<string | null>(null)
   // 会会用户资料（头像/昵称，来自会会接口）
@@ -29,11 +31,24 @@ export const useAvatarStore = defineStore('avatar', () => {
     try {
       const res = await getTokenBalance()
       tokenBalance.value = (res as any)?.balance ?? 0
+      tokenConsumed.value = (res as any)?.totalConsumed ?? 0
     } catch (e) {
       console.error('加载余额失败', e)
     }
   }
 
+  const loadTokenUsage = async () => {
+    try {
+      const rows = await getTokenUsage()
+      tokenUsageByAvatar.value = rows.reduce<Record<string, number>>((result, row) => {
+        result[row.avatarId] = (result[row.avatarId] || 0) + row.totalTokens
+        return result
+      }, {})
+    } catch (e) {
+      console.error('加载 Token 用量失败', e)
+    }
+  }
+
   // 拉取会会用户资料（头像/昵称）
   const loadUserProfile = async () => {
     // 若已通过 uniapp 壳注入（混合架构），优先保留，不回退到后端 mock
@@ -82,10 +97,13 @@ export const useAvatarStore = defineStore('avatar', () => {
   return {
     avatars,
     tokenBalance,
+    tokenConsumed,
+    tokenUsageByAvatar,
     currentAvatarId,
     userProfile,
     loadAvatars,
     loadTokenBalance,
+    loadTokenUsage,
     loadUserProfile,
     setNativeProfile,
     addAvatar,