Merge remote-tracking branch 'origin/main'

README.md

@@ -64,7 +64,7 @@
 
 ## Key Features of nanobot:
 
-🪶 **Ultra-Lightweight**: Just ~4,000 lines of core agent code — 99% smaller than Clawdbot.
+🪶 **Ultra-Lightweight**: A super lightweight implementation of OpenClaw — 99% smaller, significantly faster.
 
 🔬 **Research-Ready**: Clean, readable code that's easy to understand, modify, and extend for research.
 
@@ -538,7 +538,8 @@ Uses **WebSocket** long connection — no public IP required.
       "appSecret": "xxx",
       "encryptKey": "",
       "verificationToken": "",
-      "allowFrom": ["ou_YOUR_OPEN_ID"]
+      "allowFrom": ["ou_YOUR_OPEN_ID"],
+      "groupPolicy": "mention"
     }
   }
 }
@@ -546,6 +547,7 @@ Uses **WebSocket** long connection — no public IP required.
 
 > `encryptKey` and `verificationToken` are optional for Long Connection mode.
 > `allowFrom`: Add your open_id (find it in nanobot logs when you message the bot). Use `["*"]` to allow all users.
+> `groupPolicy`: `"mention"` (default — respond only when @mentioned), `"open"` (respond to all group messages). Private chats always respond.
 
 **3. Run**
 

nanobot/agent/loop.py

@@ -4,7 +4,9 @@ from __future__ import annotations
 
 import asyncio
 import json
+import os
 import re
+import sys
 from contextlib import AsyncExitStack
 from pathlib import Path
 from typing import TYPE_CHECKING, Any, Awaitable, Callable
@@ -273,8 +275,11 @@ class AgentLoop:
             except asyncio.TimeoutError:
                 continue
 
-            if msg.content.strip().lower() == "/stop":
+            cmd = msg.content.strip().lower()
+            if cmd == "/stop":
                 await self._handle_stop(msg)
+            elif cmd == "/restart":
+                await self._handle_restart(msg)
             else:
                 task = asyncio.create_task(self._dispatch(msg))
                 self._active_tasks.setdefault(msg.session_key, []).append(task)
@@ -291,11 +296,23 @@ class AgentLoop:
                 pass
         sub_cancelled = await self.subagents.cancel_by_session(msg.session_key)
         total = cancelled + sub_cancelled
-        content = f"⏹ Stopped {total} task(s)." if total else "No active task to stop."
+        content = f"Stopped {total} task(s)." if total else "No active task to stop."
         await self.bus.publish_outbound(OutboundMessage(
             channel=msg.channel, chat_id=msg.chat_id, content=content,
         ))
 
+    async def _handle_restart(self, msg: InboundMessage) -> None:
+        """Restart the process in-place via os.execv."""
+        await self.bus.publish_outbound(OutboundMessage(
+            channel=msg.channel, chat_id=msg.chat_id, content="Restarting...",
+        ))
+
+        async def _do_restart():
+            await asyncio.sleep(1)
+            os.execv(sys.executable, [sys.executable] + sys.argv)
+
+        asyncio.create_task(_do_restart())
+
     async def _dispatch(self, msg: InboundMessage) -> None:
         """Process a message under the global lock."""
         async with self._processing_lock:
@@ -390,9 +407,16 @@ class AgentLoop:
             return OutboundMessage(channel=msg.channel, chat_id=msg.chat_id,
                                   content="New session started.")
         if cmd == "/help":
-            return OutboundMessage(channel=msg.channel, chat_id=msg.chat_id,
-                                  content="🐈 nanobot commands:\n/new — Start a new conversation\n/stop — Stop the current task\n/help — Show available commands")
-
+            lines = [
+                "🐈 nanobot commands:",
+                "/new — Start a new conversation",
+                "/stop — Stop the current task",
+                "/restart — Restart the bot",
+                "/help — Show available commands",
+            ]
+            return OutboundMessage(
+                channel=msg.channel, chat_id=msg.chat_id, content="\n".join(lines),
+            )
         await self.memory_consolidator.maybe_consolidate_by_tokens(session)
 
         self._set_tool_context(msg.channel, msg.chat_id, msg.metadata.get("message_id"))

nanobot/channels/feishu.py

@@ -352,6 +352,27 @@ class FeishuChannel(BaseChannel):
         self._running = False
         logger.info("Feishu bot stopped")
 
+    def _is_bot_mentioned(self, message: Any) -> bool:
+        """Check if the bot is @mentioned in the message."""
+        raw_content = message.content or ""
+        if "@_all" in raw_content:
+            return True
+
+        for mention in getattr(message, "mentions", None) or []:
+            mid = getattr(mention, "id", None)
+            if not mid:
+                continue
+            # Bot mentions have an empty user_id with a valid open_id
+            if getattr(mid, "user_id", None) == "" and (getattr(mid, "open_id", None) or "").startswith("ou_"):
+                return True
+        return False
+
+    def _is_group_message_for_bot(self, message: Any) -> bool:
+        """Allow group messages when policy is open or bot is @mentioned."""
+        if self.config.group_policy == "open":
+            return True
+        return self._is_bot_mentioned(message)
+
     def _add_reaction_sync(self, message_id: str, emoji_type: str) -> None:
         """Sync helper for adding reaction (runs in thread pool)."""
         from lark_oapi.api.im.v1 import CreateMessageReactionRequest, CreateMessageReactionRequestBody, Emoji
@@ -893,6 +914,10 @@ class FeishuChannel(BaseChannel):
             chat_type = message.chat_type
             msg_type = message.message_type
 
+            if chat_type == "group" and not self._is_group_message_for_bot(message):
+                logger.debug("Feishu: skipping group message (not mentioned)")
+                return
+
             # Add reaction
             await self._add_reaction(message_id, self.config.react_emoji)
 

nanobot/channels/telegram.py

@@ -163,6 +163,7 @@ class TelegramChannel(BaseChannel):
         BotCommand("new", "Start a new conversation"),
         BotCommand("stop", "Stop the current task"),
         BotCommand("help", "Show available commands"),
+        BotCommand("restart", "Restart the bot"),
     ]
 
     def __init__(self, config: TelegramConfig, bus: MessageBus):
@@ -220,6 +221,7 @@ class TelegramChannel(BaseChannel):
         self._app.add_handler(CommandHandler("start", self._on_start))
         self._app.add_handler(CommandHandler("new", self._forward_command))
         self._app.add_handler(CommandHandler("stop", self._forward_command))
+        self._app.add_handler(CommandHandler("restart", self._forward_command))
         self._app.add_handler(CommandHandler("help", self._on_help))
 
         # Add message handler for text, photos, voice, documents

nanobot/config/schema.py

@@ -48,6 +48,7 @@ class FeishuConfig(Base):
     react_emoji: str = (
         "THUMBSUP"  # Emoji type for message reactions (e.g. THUMBSUP, OK, DONE, SMILE)
     )
+    group_policy: Literal["open", "mention"] = "mention"  # "mention" responds when @mentioned, "open" responds to all
 
 
 class DingTalkConfig(Base):

tests/test_restart_command.py

@@ -0,0 +1,76 @@
+"""Tests for /restart slash command."""
+
+from __future__ import annotations
+
+import asyncio
+from unittest.mock import MagicMock, patch
+
+import pytest
+
+from nanobot.bus.events import InboundMessage
+
+
+def _make_loop():
+    """Create a minimal AgentLoop with mocked dependencies."""
+    from nanobot.agent.loop import AgentLoop
+    from nanobot.bus.queue import MessageBus
+
+    bus = MessageBus()
+    provider = MagicMock()
+    provider.get_default_model.return_value = "test-model"
+    workspace = MagicMock()
+    workspace.__truediv__ = MagicMock(return_value=MagicMock())
+
+    with patch("nanobot.agent.loop.ContextBuilder"), \
+         patch("nanobot.agent.loop.SessionManager"), \
+         patch("nanobot.agent.loop.SubagentManager"):
+        loop = AgentLoop(bus=bus, provider=provider, workspace=workspace)
+    return loop, bus
+
+
+class TestRestartCommand:
+
+    @pytest.mark.asyncio
+    async def test_restart_sends_message_and_calls_execv(self):
+        loop, bus = _make_loop()
+        msg = InboundMessage(channel="cli", sender_id="user", chat_id="direct", content="/restart")
+
+        with patch("nanobot.agent.loop.os.execv") as mock_execv:
+            await loop._handle_restart(msg)
+            out = await asyncio.wait_for(bus.consume_outbound(), timeout=1.0)
+            assert "Restarting" in out.content
+
+            await asyncio.sleep(1.5)
+            mock_execv.assert_called_once()
+
+    @pytest.mark.asyncio
+    async def test_restart_intercepted_in_run_loop(self):
+        """Verify /restart is handled at the run-loop level, not inside _dispatch."""
+        loop, bus = _make_loop()
+        msg = InboundMessage(channel="telegram", sender_id="u1", chat_id="c1", content="/restart")
+
+        with patch.object(loop, "_handle_restart") as mock_handle:
+            mock_handle.return_value = None
+            await bus.publish_inbound(msg)
+
+            loop._running = True
+            run_task = asyncio.create_task(loop.run())
+            await asyncio.sleep(0.1)
+            loop._running = False
+            run_task.cancel()
+            try:
+                await run_task
+            except asyncio.CancelledError:
+                pass
+
+            mock_handle.assert_called_once()
+
+    @pytest.mark.asyncio
+    async def test_help_includes_restart(self):
+        loop, bus = _make_loop()
+        msg = InboundMessage(channel="telegram", sender_id="u1", chat_id="c1", content="/help")
+
+        response = await loop._process_message(msg)
+
+        assert response is not None
+        assert "/restart" in response.content