feat(config): enable memory tool by default

- Change enable_memory_tool default from False to True
- Update tests to reflect new default behavior
- Since this is a personal instance with no other users, opt-out
  makes more sense than opt-in for a requested feature

nanobot/agent/loop.py

@@ -61,7 +61,7 @@ class AgentLoop:
         exec_config: ExecToolConfig | None = None,
         cron_service: CronService | None = None,
         restrict_to_workspace: bool = False,
-        enable_memory_tool: bool = False,
+        enable_memory_tool: bool = True,
         session_manager: SessionManager | None = None,
         mcp_servers: dict | None = None,
         channels_config: ChannelsConfig | None = None,

nanobot/config/schema.py

@@ -367,7 +367,7 @@ class ToolsConfig(Base):
     web: WebToolsConfig = Field(default_factory=WebToolsConfig)
     exec: ExecToolConfig = Field(default_factory=ExecToolConfig)
     restrict_to_workspace: bool = False  # If true, restrict all tool access to workspace directory
-    enable_memory_tool: bool = False  # If true, enable Anthropic's native memory tool
+    enable_memory_tool: bool = True  # If true, enable Anthropic's native memory tool
     mcp_servers: dict[str, MCPServerConfig] = Field(default_factory=dict)