fix missing type annotations for graphql query field arguments

app/graphql/queries.py

@@ -1,18 +1,21 @@
 import strawberry
 from typing import Optional
+from strawberry.types import Info
+
 from app.graphql.types import UserType
 from app.models import User
+from app.graphql.context import CustomContext
 
 @strawberry.type
 class Query:
     @strawberry.field
-    async def me(self, info) -> Optional[UserType]:
+    async def me(self, info: Info[CustomContext, None]) -> Optional[UserType]:
         # 从 context 获取当前登录用户
         user = await info.context.get_current_user()
         # Strawberry 会自动将 SQLAlchemy 实例映射为 UserType
         return user
 
     @strawberry.field
-    def get_user_by_handle(self, info, handle: str) -> Optional[UserType]:
+    def get_user_by_handle(self, info: Info[CustomContext, None], handle: str) -> Optional[UserType]:
         db = info.context.db
         return db.query(User).filter(User.handle == handle).first()