add check is_admin route

app/services/auth.py

@@ -142,6 +142,24 @@ class AuthService:
         
         user = await users_collection.find_one({"uuid": session["user_uuid"]})
         return user and user.get("is_admin") is True
+    
+    async def get_current_user(self, access_token: str, client_token: str):
+        session = await sessions_collection.find_one({
+            "access_token": access_token,
+            "client_token": client_token,
+        })
+        if not session:
+            raise HTTPException(status_code=401, detail="Invalid session")
+
+        user = await users_collection.find_one({"uuid": session["user_uuid"]})
+        if not user:
+            raise HTTPException(status_code=404, detail="User not found")
+
+        return {
+            "username": user["username"],
+            "uuid": user["uuid"],
+            "is_admin": user.get("is_admin", False),
+        }
 
     async def refresh(self, access_token: str, client_token: str):
         if not await self.validate(access_token, client_token):