适配db的修改；MessageComponent更新

src/chat/message_receive/message.py

@@ -78,6 +78,7 @@ class SessionMessage(MaiMessage):
 
         content = f"[图片：{desc}]" if desc else "[一张图片，网卡了加载不出来]"
         component.content = content
+        component.binary_data = b""  # 处理完就丢掉二进制数据，节省内存
         return content
 
     async def process_emoji_component(self, component: EmojiComponent) -> str:
@@ -97,6 +98,7 @@ class SessionMessage(MaiMessage):
         else:
             content = "[一个表情，网卡了加载不出来]"
         component.content = content
+        component.binary_data = b""  # 处理完就丢掉二进制数据，节省内存
         return content
 
     async def process_at_component(self, component: AtComponent) -> str:

src/common/data_models/expression_data_model.py

@@ -1,9 +1,9 @@
 from datetime import datetime
-from typing import List, Optional, Literal
+from typing import List, Optional
 
 import json
 
-from src.common.database.database_model import Expression
+from src.common.database.database_model import Expression, ModifiedBy
 
 from . import BaseDatabaseDataModel
 
@@ -23,7 +23,7 @@ class MaiExpression(BaseDatabaseDataModel[Expression]):
         session_id: Optional[str] = None,
         checked: bool = False,
         rejected: bool = False,
-        modified_by: Optional[Literal["ai", "user"]] = None,
+        modified_by: Optional[ModifiedBy] = None,
     ):
         self.item_id = item_id
         """自增主键ID"""
@@ -45,7 +45,7 @@ class MaiExpression(BaseDatabaseDataModel[Expression]):
         """是否已经被检查过"""
         self.rejected: bool = rejected
         """是否被拒绝但是未更新"""
-        self.modified_by: Optional[Literal["ai", "user"]] = modified_by
+        self.modified_by: Optional[ModifiedBy] = modified_by
         """最后修改者，标记用户或AI，为空表示未检查"""
 
     @classmethod

src/common/database/database_model.py

@@ -14,10 +14,12 @@ class ImageType(str, Enum):
     EMOJI = "emoji"
     IMAGE = "image"
 
+
 class ModifiedBy(str, Enum):
     AI = "ai"
     USER = "user"
 
+
 class Messages(SQLModel, table=True):
     __tablename__ = "mai_messages"  # type: ignore
     id: Optional[int] = Field(default=None, primary_key=True)  # 自增主键
@@ -186,7 +188,9 @@ class Expression(SQLModel, table=True):
 
     checked: bool = Field(default=False)  # 是否已经被检查过
     rejected: bool = Field(default=False)  # 是否被拒绝但是未更新
-    modified_by: Optional[ModifiedBy] = Field(default=None, sa_column=Column(SQLEnum(ModifiedBy), nullable=True))  # 最后修改者，标记用户或AI，为空表示未检查
+    modified_by: Optional[ModifiedBy] = Field(
+        default=None, sa_column=Column(SQLEnum(ModifiedBy), nullable=True)
+    )  # 最后修改者，标记用户或AI，为空表示未检查
 
 
 class Jargon(SQLModel, table=True):