[fix] Pydantic save json error

api/app/models/multi_agent_model.py

@@ -8,6 +8,7 @@ from sqlalchemy import Column, String, Boolean, DateTime, Integer, Float, Text,
 from sqlalchemy.dialects.postgresql import UUID, JSON
 from sqlalchemy.orm import relationship
 
+from app.base.type import PydanticType
 from app.db import Base
 from app.schemas import ModelParameters
 
@@ -23,27 +24,27 @@ class AggregationStrategy(StrEnum):
     VOTE = "vote"
     PRIORITY = "priority"
 
-class PydanticType(TypeDecorator):
-    impl = JSON
+# class PydanticType(TypeDecorator):
+#     impl = JSON
 
-    def __init__(self, pydantic_model: type[BaseModel]):
-        super().__init__()
-        self.model = pydantic_model
+#     def __init__(self, pydantic_model: type[BaseModel]):
+#         super().__init__()
+#         self.model = pydantic_model
 
-    def process_bind_param(self, value, dialect):
-        # 入库：Model -> dict
-        if value is None:
-            return None
-        if isinstance(value, self.model):
-            return value.dict()
-        return value   # 已经是 dict 也放行
+#     def process_bind_param(self, value, dialect):
+#         # 入库：Model -> dict
+#         if value is None:
+#             return None
+#         if isinstance(value, self.model):
+#             return value.dict()
+#         return value   # 已经是 dict 也放行
 
-    def process_result_value(self, value, dialect):
-        # 出库：dict -> Model
-        if value is None:
-            return None
-        # return self.model.parse_obj(value)  # pydantic v1
-        return self.model.model_validate(value)  # pydantic v2
+#     def process_result_value(self, value, dialect):
+#         # 出库：dict -> Model
+#         if value is None:
+#             return None
+#         # return self.model.parse_obj(value)  # pydantic v1
+#         return self.model.model_validate(value)  # pydantic v2
 
 class MultiAgentConfig(Base):
     """多 Agent 配置表"""