feat: AI套图分层方案 + Gemini集成 - 4种图案类型处理 + 正片叠底 + 宽高比 + 模型选择

Co-authored-by: Cursor <cursoragent@cursor.com>

Server/app/api/v1/feature.py

@@ -11,20 +11,19 @@ from sqlalchemy.orm import Session
 from app.db import get_db
 from app.models.user import User
 from app.models.business import FeatureConfig, VipConfig, PointsHistory
+from app.core.security import get_current_user
 
 router = APIRouter()
 
 # ==================== 数据模型 ====================
 
 class UseFeatureRequest(BaseModel):
-    username: str
     feature_key: str
-    device_id: str
 
 # ==================== 通用功能使用 ====================
 
 @router.post("/feature/use")
-async def use_feature(data: UseFeatureRequest, db: Session = Depends(get_db)):
+async def use_feature(data: UseFeatureRequest, db: Session = Depends(get_db), current_username: str = Depends(get_current_user)):
     """
     通用功能使用接口
     逻辑：
@@ -38,7 +37,7 @@ async def use_feature(data: UseFeatureRequest, db: Session = Depends(get_db)):
         raise HTTPException(status_code=400, detail="功能不存在或已禁用")
     
     # 2. 获取用户信息
-    user = db.query(User).filter(User.username == data.username).first()
+    user = db.query(User).filter(User.username == current_username).first()
     if not user:
         raise HTTPException(status_code=404, detail="用户不存在")
     
@@ -100,7 +99,7 @@ async def use_feature(data: UseFeatureRequest, db: Session = Depends(get_db)):
         # 记录积分历史
         points_history = PointsHistory(
             user_id=user.id,
-            username=data.username,
+            username=current_username,
             type='consume',
             amount=-points_cost,
             balance=new_balance,