[add] Memory configuration adds uniqueness detection

api/app/controllers/memory_storage_controller.py

@@ -2,7 +2,7 @@ from typing import Optional
 from uuid import UUID
 
 from fastapi import APIRouter, Depends, Query
-from fastapi.responses import StreamingResponse
+from fastapi.responses import StreamingResponse, JSONResponse
 from sqlalchemy.orm import Session
 
 from app.core.error_codes import BizCode
@@ -85,6 +85,7 @@ def create_config(
     payload: ConfigParamsCreate,
     current_user: User = Depends(get_current_user),
     db: Session = Depends(get_db),
+    x_language_type: Optional[str] = Header(None, alias="X-Language-Type"),
 ) -> dict:
     workspace_id = current_user.current_workspace_id
     # 检查用户是否已选择工作空间
@@ -99,6 +100,19 @@ def create_config(
         svc = DataConfigService(db)
         result = svc.create(payload)
         return success(data=result, msg="创建成功")
+    except ValueError as e:
+        err_str = str(e)
+        if err_str.startswith("DUPLICATE_CONFIG_NAME:"):
+            config_name = err_str.split(":", 1)[1]
+            api_logger.warning(f"重复的配置名称 '{config_name}' 在工作空间 {workspace_id}")
+            lang = get_language_from_header(x_language_type)
+            if lang == "en":
+                msg = fail(BizCode.BAD_REQUEST, "Config name already exists", f"A config named \"{config_name}\" already exists in the current workspace. Please use a different name.")
+            else:
+                msg = fail(BizCode.BAD_REQUEST, "配置名称已存在", f"当前工作空间下已存在名为「{config_name}」的记忆配置，请使用其他名称")
+            return JSONResponse(status_code=400, content=msg)
+        api_logger.error(f"Create config failed: {err_str}")
+        return fail(BizCode.INTERNAL_ERROR, "创建配置失败", err_str)
     except Exception as e:
         api_logger.error(f"Create config failed: {str(e)}")
         return fail(BizCode.INTERNAL_ERROR, "创建配置失败", str(e))

api/app/models/memory_config_model.py

@@ -1,6 +1,6 @@
 import datetime
 
-from sqlalchemy import Boolean, Column, DateTime, Float, Integer, String
+from sqlalchemy import Boolean, Column, DateTime, Float, Integer, String, UniqueConstraint
 from sqlalchemy.dialects.postgresql import UUID
 
 from app.db import Base
@@ -9,6 +9,9 @@ from app.db import Base
 class MemoryConfig(Base):
     """记忆配置表 - 用于存储记忆系统的配置参数"""
     __tablename__ = "memory_config"
+    __table_args__ = (
+        UniqueConstraint('workspace_id', 'config_name', name='uq_workspace_config_name'),
+    )
 
     # 主键
     config_id = Column(UUID(as_uuid=True), primary_key=True,  comment="配置ID")

api/app/services/memory_storage_service.py

@@ -115,6 +115,17 @@ class DataConfigService: # 数据配置服务类（PostgreSQL）
 
     # --- Create ---
     def create(self, params: ConfigParamsCreate) -> Dict[str, Any]: # 创建配置参数（仅名称与描述）
+        # 检查同一工作空间下是否已存在同名配置
+        if params.workspace_id and params.config_name:
+            from app.models.memory_config_model import MemoryConfig
+            existing = (
+                self.db.query(MemoryConfig)
+                .filter_by(workspace_id=params.workspace_id, config_name=params.config_name)
+                .first()
+            )
+            if existing:
+                raise ValueError(f"DUPLICATE_CONFIG_NAME:{params.config_name}")
+
         # 如果workspace_id存在且模型字段未全部指定，则自动获取
         if params.workspace_id and not all([params.llm_id, params.embedding_id, params.rerank_id]):
             configs = self._get_workspace_configs(params.workspace_id)