feat: Implement project management with new models, repositories, and API endpoints, and enhance character management with project association and DTOs.

repos/user_repo.py

@@ -19,10 +19,14 @@ class UsersRepo:
         self.collection = client[db_name]["users"]
 
     async def get_user(self, user_id: int):
-        return await self.collection.find_one({"user_id": user_id})
+        user =  await self.collection.find_one({"user_id": user_id})
+        user["id"] = str(user["_id"])
+        return user
 
     async def get_user_by_username(self, username: str):
-        return await self.collection.find_one({"username": username})
+        user = await self.collection.find_one({"username": username})
+        user["id"] = str(user["_id"])
+        return user
 
     async def create_user(self, username: str, password: str, full_name: Optional[str] = None):
         """Создает нового пользователя с username/паролем"""
@@ -38,15 +42,22 @@ class UsersRepo:
             "created_at": datetime.now(),
             "is_email_user": False, # Теперь это просто "обычный" юзер, не телеграм (хотя поле можно переименовать)
             "is_web_user": True,
-            "is_admin": False
+            "is_admin": False,
+            "project_ids": [],
+            "current_project_id": None
         }
         result = await self.collection.insert_one(user_doc)
-        return await self.collection.find_one({"_id": result.inserted_id})
+        user = await self.collection.find_one({"_id": result.inserted_id})
+        user["id"] = str(user["_id"])
+        return user
 
     async def get_pending_users(self):
         """Возвращает список пользователей со статусом PENDING"""
         cursor = self.collection.find({"status": UserStatus.PENDING})
-        return await cursor.to_list(length=100)
+        users = await cursor.to_list(length=100)
+        for user in users:
+            user["id"] = str(user["_id"])
+        return users
     
     async def approve_user(self, username: str):
         await self.collection.update_one(