Fix/develop memory bug (#354)

* 遗漏的历史映射

* 遗漏的历史映射

* fix_timeline_memories

* fix_timeline_memories

* write_gragp/bug_fix

* write_gragp/bug_fix

* write_gragp/bug_fix

* write_gragp/bug_fix

* Multiple independent transactions - single transaction

* memory_content ->memory_config_id

* memory_content ->memory_config_id

* memory_content ->memory_config_id

* memory_content ->memory_config_id

* memory_content ->memory_config_id

* memory_content ->memory_config_id

* memory_content ->memory_config_id

* tasks/bug_fix/long

* tasks_reflection/bug/fix

* tasks_reflection/bug/fix

* tasks_reflection/bug/fix

* tasks_reflection/bug/fix

* change/get_db_context/way

* change/get_db_context/way

api/app/services/memory_agent_service.py

@@ -313,13 +313,16 @@ class MemoryAgentService:
         start_time = time.time()
 
         # Load configuration from database with workspace fallback
+        # Use a separate database session to avoid transaction failures
         try:
-            config_service = MemoryConfigService(db)
-            memory_config = config_service.load_memory_config(
-                config_id=config_id,
-                workspace_id=workspace_id,
-                service_name="MemoryAgentService"
-            )
+            from app.db import get_db_context
+            with get_db_context() as config_db:
+                config_service = MemoryConfigService(config_db)
+                memory_config = config_service.load_memory_config(
+                    config_id=config_id,
+                    workspace_id=workspace_id,
+                    service_name="MemoryAgentService"
+                )
             logger.info(f"Configuration loaded successfully: {memory_config.config_name}")
         except ConfigurationError as e:
             error_msg = f"Failed to load configuration for config_id: {config_id}: {e}"
@@ -454,12 +457,15 @@ class MemoryAgentService:
 
         config_load_start = time.time()
         try:
-            config_service = MemoryConfigService(db)
-            memory_config = config_service.load_memory_config(
-                config_id=config_id,
-                workspace_id=workspace_id,
-                service_name="MemoryAgentService"
-            )
+            # Use a separate database session to avoid transaction failures
+            from app.db import get_db_context
+            with get_db_context() as config_db:
+                config_service = MemoryConfigService(config_db)
+                memory_config = config_service.load_memory_config(
+                    config_id=config_id,
+                    workspace_id=workspace_id,
+                    service_name="MemoryAgentService"
+                )
             config_load_time = time.time() - config_load_start
             logger.info(f"[PERF] Configuration loaded in {config_load_time:.4f}s: {memory_config.config_name}")
         except ConfigurationError as e:

api/app/services/memory_reflection_service.py

@@ -364,7 +364,8 @@ class MemoryReflectionService:
         reflexion_range_value = config_data.get("reflexion_range")
         if reflexion_range_value is None or reflexion_range_value == "":
             reflexion_range_value = "partial"
-            # Map legacy/invalid values to valid enum values
+        
+        # Map legacy/invalid values to valid enum values
         reflexion_range_mapping = {
             "retrieval": "partial",  # Map old 'retrieval' to 'partial'
             "partial": "partial",
@@ -378,13 +379,19 @@ class MemoryReflectionService:
             baseline_value = "TIME"
         baseline = ReflectionBaseline(baseline_value)
 
-        # iteration_period =
+        # iteration_period
         iteration_period = config_data.get("iteration_period", 24)
         if isinstance(iteration_period, str):
             try:
                 iteration_period = int(iteration_period)
             except (ValueError, TypeError):
                 iteration_period = 24  # 默认24小时
+        
+        # 获取 model_id 并转换为字符串（如果是 UUID 对象）
+        reflection_model_id = config_data.get("reflection_model_id", "")
+        if reflection_model_id:
+            reflection_model_id = str(reflection_model_id)
+        
         return ReflectionConfig(
             enabled=config_data.get("enable_self_reflexion", False),
             iteration_period=str(iteration_period),  # ReflectionConfig期望字符串
@@ -392,7 +399,7 @@ class MemoryReflectionService:
             baseline=baseline,
             memory_verify=config_data.get("memory_verify", False),
             quality_assessment=config_data.get("quality_assessment", False),
-            model_id=config_data.get("reflection_model_id", "")
+            model_id=reflection_model_id
         )
     
     async def _execute_reflection_engine(