Fix/release memory bug (#306)

* memory_BUG_fix

* memory_BUG

* memory_BUG_long_term

* memory_BUG_long_term

* memory_BUG_long_term

api/app/schemas/memory_agent_schema.py

@@ -1,3 +1,4 @@
+from abc import ABC
 from typing import Optional
 
 from pydantic import BaseModel
@@ -14,4 +15,15 @@ class UserInput(BaseModel):
 class Write_UserInput(BaseModel):
     messages: list[dict]
     end_user_id: str
-    config_id: Optional[str] = None
+    config_id: Optional[str] = None
+
+class AgentMemory_Long_Term(ABC):
+    """长期记忆配置常量"""
+    STORAGE_NEO4J = "neo4j"
+    STORAGE_RAG = "rag"
+    STRATEGY_AGGREGATE = "aggregate"
+    STRATEGY_CHUNK = "chunk"
+    STRATEGY_TIME = "time"
+    DEFAULT_SCOPE = 6
+
+