fix: 修复数据库导入错误

- 修复12处从错误位置导入get_db_session/get_engine的问题
- 函数应从core导入，模型应从core.models导入
- 修复bot.py使用check_and_migrate_database代替不存在的initialize_database

影响文件：
- bot.py: 使用正确的初始化函数
- schedule_manager.py: 修复get_db_session导入
- relationship_service.py: 修复get_db_session导入
- schedule_api.py: 修复get_db_session导入
- utils.py (llm_models): 修复get_db_session导入
- utils_image.py: 修复get_db_session导入
- utils_video.py: 修复get_db_session导入
- user_ban.py: 修复get_db_session导入
- statistics.py: 修复get_db_session导入
- storage.py: 修复get_db_session导入
- anti_injector.py: 修复2处get_db_session导入
- permission_manager.py: 修复get_engine导入

src/chat/antipromptinjector/anti_injector.py

@@ -263,7 +263,8 @@ class AntiPromptInjector:
         try:
             from sqlalchemy import delete
 
-            from src.common.database.core.models import Messages, get_db_session
+            from src.common.database.core.models import Messages
+            from src.common.database.core import get_db_session
 
             message_id = message_data.get("message_id")
             if not message_id:
@@ -290,7 +291,8 @@ class AntiPromptInjector:
         try:
             from sqlalchemy import update
 
-            from src.common.database.core.models import Messages, get_db_session
+            from src.common.database.core.models import Messages
+            from src.common.database.core import get_db_session
 
             message_id = message_data.get("message_id")
             if not message_id:

src/chat/antipromptinjector/management/statistics.py

@@ -9,7 +9,8 @@ from typing import Any, TypeVar, cast
 
 from sqlalchemy import delete, select
 
-from src.common.database.core.models import AntiInjectionStats, get_db_session
+from src.common.database.core.models import AntiInjectionStats
+from src.common.database.core import get_db_session
 from src.common.logger import get_logger
 from src.config.config import global_config
 

src/chat/antipromptinjector/management/user_ban.py

@@ -8,7 +8,8 @@ import datetime
 
 from sqlalchemy import select
 
-from src.common.database.core.models import BanUser, get_db_session
+from src.common.database.core.models import BanUser
+from src.common.database.core import get_db_session
 from src.common.logger import get_logger
 
 from ..types import DetectionResult

src/chat/message_receive/storage.py

@@ -8,7 +8,7 @@ import orjson
 from sqlalchemy import desc, select, update
 
 from src.common.data_models.database_data_model import DatabaseMessages
-from src.common.database.compatibility import get_db_session
+from src.common.database.core import get_db_session
 from src.common.database.core.models import Images, Messages
 from src.common.logger import get_logger
 
@@ -367,7 +367,7 @@ class MessageStorage:
                 logger.debug(f"消息ID更新已加入批处理队列: {mmc_message_id} -> {qq_message_id}")
             else:
                 # 直接更新（保留原有逻辑用于特殊情况）
-                from src.common.database.core.models import get_db_session
+                from src.common.database.core import get_db_session
 
                 async with get_db_session() as session:
                     matched_message = (

src/chat/utils/utils_image.py

@@ -12,7 +12,8 @@ from PIL import Image
 from rich.traceback import install
 from sqlalchemy import and_, select
 
-from src.common.database.core.models import ImageDescriptions, Images, get_db_session
+from src.common.database.core.models import ImageDescriptions, Images
+from src.common.database.core import get_db_session
 from src.common.logger import get_logger
 from src.config.config import global_config, model_config
 from src.llm_models.utils_model import LLMRequest

src/chat/utils/utils_video.py

@@ -25,7 +25,8 @@ from typing import Any
 
 from PIL import Image
 
-from src.common.database.core.models import Videos, get_db_session  # type: ignore
+from src.common.database.core.models import Videos
+from src.common.database.core import get_db_session
 from src.common.logger import get_logger
 from src.config.config import global_config, model_config
 from src.llm_models.utils_model import LLMRequest