fix(agent): Fix long-term memory error (#2644)

# Description

Closes #2642
Closes #2637

# How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide
instructions so we can reproduce. Please also list any relevant details
for your test configuration

# Snapshots:

Include snapshots for easier review.

# Checklist:

- [x] My code follows the style guidelines of this project
- [x] I have already rebased the commits and make the commit message
conform to the project standard.
- [x] I have performed a self-review of my own code
- [x] I have commented my code, particularly in hard-to-understand areas
- [x] I have made corresponding changes to the documentation
- [x] Any dependent changes have been merged and published in downstream
modules

packages/dbgpt-core/src/dbgpt/agent/core/memory/hybrid.py

@@ -69,7 +69,7 @@ class HybridMemory(Memory, Generic[T]):
     @classmethod
     def from_chroma(
         cls,
-        vstore_name: Optional[str] = "_chroma_agent_memory_",
+        vstore_name: Optional[str] = "agent_memory_long_term",
         vstore_path: Optional[str] = None,
         embeddings: Optional[Embeddings] = None,
         executor: Optional[Executor] = None,

packages/dbgpt-core/src/dbgpt/agent/resource/tool/pack.py

@@ -102,6 +102,7 @@ class ToolPack(ResourcePack):
         args: Optional[Dict[str, Any]] = None,
         function: Optional[Callable] = None,
         parse_execute_args_func: Optional[PARSE_EXECUTE_ARGS_FUNCTION] = None,
+        overwrite: bool = False,
     ) -> None:
         """Add a command to the commands.
 
@@ -118,6 +119,8 @@ class ToolPack(ResourcePack):
                 the command is executed. Defaults to None.
             parse_execute_args (callable, optional): A callable function to parse the
                 execute arguments. Defaults to None.
+            overwrite (bool, optional): Whether to overwrite the command if it already
+                exists. Defaults to False.
         """
         if args is not None:
             tool_args = {}
@@ -151,7 +154,7 @@ class ToolPack(ResourcePack):
             description=command_label,
             parse_execute_args_func=parse_execute_args_func,
         )
-        self.append(ft)
+        self.append(ft, overwrite=overwrite)
 
     def _get_execution_tool(
         self,
@@ -347,6 +350,7 @@ class MCPToolPack(ToolPack):
         ssl_verify: Optional[Dict[str, Union[ssl.SSLContext, str, bool]]] = None,
         default_ssl_verify: Union[ssl.SSLContext, str, bool] = True,
         default_ssl_cafile: Optional[str] = None,
+        overwrite_same_tool: bool = True,
         **kwargs,
     ):
         """Create an Auto-GPT plugin tool pack."""
@@ -363,6 +367,7 @@ class MCPToolPack(ToolPack):
         self._default_ssl_verify = default_ssl_verify
         self._ssl_verify_map = ssl_verify or {}
         self.server_ssl_verify_map = {}
+        self._overwrite_same_tool = overwrite_same_tool
 
     def switch_mcp_input_schema(self, input_schema: dict):
         args = {}
@@ -450,5 +455,6 @@ class MCPToolPack(ToolPack):
                             args,
                             call_mcp_tool,
                             parse_execute_args_func=json_parse_execute_args_func,
+                            overwrite=self._overwrite_same_tool,
                         )
         self._loaded = True

packages/dbgpt-serve/src/dbgpt_serve/agent/agents/controller.py

@@ -142,7 +142,7 @@ class MultiAgents(BaseComponent, ABC):
         ).create()
 
         storage_manager = StorageManager.get_instance(self.system_app)
-        index_name = "_agent_memory_"
+        index_name = "agent_memory_long_term"
         vector_store = storage_manager.create_vector_store(index_name=index_name)
         if not vector_store.vector_name_exists():
             vector_store.create_collection(collection_name=index_name)