feat(points): 新增今日消耗接口 + 个人中心字体调整

后端:
- CRUD 新增 sum_consumed_today() 方法，统计用户今日消费积分总和
- API 新增 GET /points/today-consumed 路由

前端:
- 个人中心积分数字从 40px 改为 32px
- 今日消耗从本地计算改为调用后端接口

python-api/app/api/v1/points.py

@@ -497,6 +497,18 @@ async def get_points_rules(
 
 
 
+# ── 今日消费统计 ──────────────────────────────────────
+
+@router.get("/today-consumed", response_model=ApiResponse[dict])
+async def get_today_consumed(
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    """获取当前用户今日消费积分总额"""
+    total = await point_transaction.sum_consumed_today(db, user_id=current_user.id)
+    return success_response(data={"total": total})
+
+
 # ── 直接消费扣费（前端/Rust 层调用）───────────────────
 
 @router.post("/consume", response_model=ApiResponse[dict])

python-api/app/crud/point_transaction.py

@@ -5,9 +5,9 @@
 只增不改，用于审计和对账。
 """
 
-from datetime import datetime
+from datetime import datetime, time
 
-from sqlalchemy import select
+from sqlalchemy import func, select
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.crud.base import CRUDBase
@@ -101,6 +101,26 @@ class PointTransactionCRUD(CRUDBase[PointTransaction]):
         )
         return list(result.scalars().all())
 
+    async def sum_consumed_today(
+        self,
+        db: AsyncSession,
+        *,
+        user_id: str,
+    ) -> int:
+        """统计用户今日消费积分总和"""
+        now = datetime.now()
+        start_of_day = datetime.combine(now.date(), time.min)
+        stmt = (
+            select(func.coalesce(func.sum(PointTransaction.amount), 0))
+            .where(
+                PointTransaction.user_id == user_id,
+                PointTransaction.type == "consume",
+                PointTransaction.created_at >= start_of_day,
+            )
+        )
+        result = await db.execute(stmt)
+        return result.scalar() or 0
+
 
 # 导出实例
 point_transaction = PointTransactionCRUD()

tauri-app/src/api/modules/points.ts

@@ -165,6 +165,15 @@ export const pointsApi = {
     );
   },
 
+  /**
+   * GET /points/today-consumed
+   *
+   * 获取今日消费积分总额。
+   */
+  getTodayConsumed: async (): Promise<{ total: number }> => {
+    return client.get<{ total: number }>('/points/today-consumed');
+  },
+
   /**
    * 直接消费积分（前端/Rust 层业务扣费）
    * POST /points/consume

tauri-app/src/pages/Profile/Profile.tsx

@@ -44,6 +44,7 @@ export default function Profile() {
   const [user, setUser] = useState<UserProfile | null>(null);
   const [balance, setBalance] = useState<PointBalance | null>(null);
   const [recentTx, setRecentTx] = useState<PointTransaction[]>([]);
+  const [todayConsumed, setTodayConsumed] = useState(0);
   const [loading, setLoading] = useState(true);
   const [showRechargeModal, setShowRechargeModal] = useState(false);
 
@@ -66,10 +67,12 @@ export default function Profile() {
       }
       if (balanceData) {setBalance(balanceData);}
 
-      const txData = await pointsApi
-        .getTransactions({ page: 1, pageSize: 10 })
-        .catch(() => null);
+      const [txData, todayData] = await Promise.all([
+        pointsApi.getTransactions({ page: 1, pageSize: 10 }).catch(() => null),
+        pointsApi.getTodayConsumed().catch(() => null),
+      ]);
       if (txData) {setRecentTx(txData.items);}
+      if (todayData) {setTodayConsumed(todayData.total);}
     } catch (e) {
       console.error('[Profile] 加载数据失败:', e);
     } finally {
@@ -212,7 +215,7 @@ export default function Profile() {
               <div style={{ fontSize: '13px', color: 'var(--text-secondary)', marginBottom: '8px' }}>
                 剩余积分
               </div>
-              <div style={{ fontSize: '40px', fontWeight: 700, color: '#36b26a', lineHeight: 1 }}>
+              <div style={{ fontSize: '32px', fontWeight: 700, color: '#36b26a', lineHeight: 1 }}>
                 {balance?.balance ?? 0}
               </div>
             </div>
@@ -220,17 +223,8 @@ export default function Profile() {
               <div style={{ fontSize: '13px', color: 'var(--text-secondary)', marginBottom: '8px' }}>
                 今日消耗
               </div>
-              <div style={{ fontSize: '40px', fontWeight: 700, color: '#ff6b6b', lineHeight: 1 }}>
-                {(() => {
-                  const todayStr = new Date().toLocaleDateString('zh-CN', { year: 'numeric', month: '2-digit', day: '2-digit' }).replace(/\//g, '-');
-                  return recentTx
-                    .filter(tx => {
-                      if (tx.type !== 'consume') return false;
-                      const txDate = new Date(tx.createdAt).toLocaleDateString('zh-CN', { year: 'numeric', month: '2-digit', day: '2-digit' }).replace(/\//g, '-');
-                      return txDate === todayStr;
-                    })
-                    .reduce((sum, tx) => sum + tx.amount, 0);
-                })()}
+              <div style={{ fontSize: '32px', fontWeight: 700, color: '#ff6b6b', lineHeight: 1 }}>
+                {todayConsumed}
               </div>
             </div>
           </div>