feat: add /reset and /help commands for Telegram bot

nanobot/agent/loop.py

@@ -45,6 +45,7 @@ class AgentLoop:
         exec_config: "ExecToolConfig | None" = None,
         cron_service: "CronService | None" = None,
         restrict_to_workspace: bool = False,
+        session_manager: SessionManager | None = None,
     ):
         from nanobot.config.schema import ExecToolConfig
         from nanobot.cron.service import CronService
@@ -59,7 +60,7 @@ class AgentLoop:
         self.restrict_to_workspace = restrict_to_workspace
         
         self.context = ContextBuilder(workspace)
-        self.sessions = SessionManager(workspace)
+        self.sessions = session_manager or SessionManager(workspace)
         self.tools = ToolRegistry()
         self.subagents = SubagentManager(
             provider=provider,