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Merge branch 'main' into pr-815

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Re-bin
2026-02-20 08:57:02 +00:00
parent 3ac5513004 9f0928fde6
commit 44eb1bdca2
32 changed files with 648 additions and 314 deletions
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75
nanobot/agent/loop.py
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@@ -89,16 +89,17 @@ class AgentLoop:
self._mcp_servers = mcp_servers or {}
self._mcp_stack: AsyncExitStack | None = None
self._mcp_connected = False
self._consolidating: set[str] = set() # Session keys with consolidation in progress
self._register_default_tools()
def _register_default_tools(self) -> None:
"""Register the default set of tools."""
# File tools (restrict to workspace if configured)
# File tools (workspace for relative paths, restrict if configured)
allowed_dir = self.workspace if self.restrict_to_workspace else None
self.tools.register(ReadFileTool(allowed_dir=allowed_dir))
self.tools.register(WriteFileTool(allowed_dir=allowed_dir))
self.tools.register(EditFileTool(allowed_dir=allowed_dir))
self.tools.register(ListDirTool(allowed_dir=allowed_dir))
self.tools.register(ReadFileTool(workspace=self.workspace, allowed_dir=allowed_dir))
self.tools.register(WriteFileTool(workspace=self.workspace, allowed_dir=allowed_dir))
self.tools.register(EditFileTool(workspace=self.workspace, allowed_dir=allowed_dir))
self.tools.register(ListDirTool(workspace=self.workspace, allowed_dir=allowed_dir))
# Shell tool
self.tools.register(ExecTool(
@@ -183,6 +184,7 @@ class AgentLoop:
iteration = 0
final_content = None
tools_used: list[str] = []
text_only_retried = False
while iteration < self.max_iterations:
iteration += 1
@@ -206,7 +208,7 @@ class AgentLoop:
"type": "function",
"function": {
"name": tc.name,
"arguments": json.dumps(tc.arguments)
"arguments": json.dumps(tc.arguments, ensure_ascii=False)
}
}
for tc in response.tool_calls
@@ -219,13 +221,24 @@ class AgentLoop:
for tool_call in response.tool_calls:
tools_used.append(tool_call.name)
args_str = json.dumps(tool_call.arguments, ensure_ascii=False)
logger.info(f"Tool call: {tool_call.name}({args_str[:200]})")
logger.info("Tool call: {}({})", tool_call.name, args_str[:200])
result = await self.tools.execute(tool_call.name, tool_call.arguments)
messages = self.context.add_tool_result(
messages, tool_call.id, tool_call.name, result
)
else:
final_content = self._strip_think(response.content)
# Some models send an interim text response before tool calls.
# Give them one retry; don't forward the text to avoid duplicates.
if not tools_used and not text_only_retried and final_content:
text_only_retried = True
logger.debug("Interim text response (no tools used yet), retrying: {}", final_content[:80])
messages = self.context.add_assistant_message(
messages, response.content,
reasoning_content=response.reasoning_content,
)
final_content = None
continue
break
return final_content, tools_used
@@ -247,7 +260,7 @@ class AgentLoop:
if response:
await self.bus.publish_outbound(response)
except Exception as e:
logger.error(f"Error processing message: {e}")
logger.error("Error processing message: {}", e)
await self.bus.publish_outbound(OutboundMessage(
channel=msg.channel,
chat_id=msg.chat_id,
@@ -292,7 +305,7 @@ class AgentLoop:
return await self._process_system_message(msg)
preview = msg.content[:80] + "..." if len(msg.content) > 80 else msg.content
logger.info(f"Processing message from {msg.channel}:{msg.sender_id}: {preview}")
logger.info("Processing message from {}:{}: {}", msg.channel, msg.sender_id, preview)
key = session_key or msg.session_key
session = self.sessions.get_or_create(key)
@@ -318,8 +331,16 @@ class AgentLoop:
return OutboundMessage(channel=msg.channel, chat_id=msg.chat_id,
content="🐈 nanobot commands:\n/new — Start a new conversation\n/help — Show available commands")
if len(session.messages) > self.memory_window:
asyncio.create_task(self._consolidate_memory(session))
if len(session.messages) > self.memory_window and session.key not in self._consolidating:
self._consolidating.add(session.key)
async def _consolidate_and_unlock():
try:
await self._consolidate_memory(session)
finally:
self._consolidating.discard(session.key)
asyncio.create_task(_consolidate_and_unlock())
self._set_tool_context(msg.channel, msg.chat_id, msg.metadata.get("message_id"))
initial_messages = self.context.build_messages(
@@ -344,7 +365,7 @@ class AgentLoop:
final_content = "I've completed processing but have no response to give."
preview = final_content[:120] + "..." if len(final_content) > 120 else final_content
logger.info(f"Response to {msg.channel}:{msg.sender_id}: {preview}")
logger.info("Response to {}:{}: {}", msg.channel, msg.sender_id, preview)
session.add_message("user", msg.content)
session.add_message("assistant", final_content,
@@ -365,7 +386,7 @@ class AgentLoop:
The chat_id field contains "original_channel:original_chat_id" to route
the response back to the correct destination.
"""
logger.info(f"Processing system message from {msg.sender_id}")
logger.info("Processing system message from {}", msg.sender_id)
# Parse origin from chat_id (format: "channel:chat_id")
if ":" in msg.chat_id:
@@ -413,22 +434,22 @@ class AgentLoop:
if archive_all:
old_messages = session.messages
keep_count = 0
logger.info(f"Memory consolidation (archive_all): {len(session.messages)} total messages archived")
logger.info("Memory consolidation (archive_all): {} total messages archived", len(session.messages))
else:
keep_count = self.memory_window // 2
if len(session.messages) <= keep_count:
logger.debug(f"Session {session.key}: No consolidation needed (messages={len(session.messages)}, keep={keep_count})")
logger.debug("Session {}: No consolidation needed (messages={}, keep={})", session.key, len(session.messages), keep_count)
return
messages_to_process = len(session.messages) - session.last_consolidated
if messages_to_process <= 0:
logger.debug(f"Session {session.key}: No new messages to consolidate (last_consolidated={session.last_consolidated}, total={len(session.messages)})")
logger.debug("Session {}: No new messages to consolidate (last_consolidated={}, total={})", session.key, session.last_consolidated, len(session.messages))
return
old_messages = session.messages[session.last_consolidated:-keep_count]
if not old_messages:
return
logger.info(f"Memory consolidation started: {len(session.messages)} total, {len(old_messages)} new to consolidate, {keep_count} keep")
logger.info("Memory consolidation started: {} total, {} new to consolidate, {} keep", len(session.messages), len(old_messages), keep_count)
lines = []
for m in old_messages:
@@ -451,6 +472,14 @@ class AgentLoop:
## Conversation to Process
{conversation}
**IMPORTANT**: Both values MUST be strings, not objects or arrays.
Example:
{{
"history_entry": "[2026-02-14 22:50] User asked about...",
"memory_update": "- Host: HARRYBOOK-T14P\n- Name: Nado"
}}
Respond with ONLY valid JSON, no markdown fences."""
try:
@@ -469,12 +498,18 @@ Respond with ONLY valid JSON, no markdown fences."""
text = text.split("\n", 1)[-1].rsplit("```", 1)[0].strip()
result = json_repair.loads(text)
if not isinstance(result, dict):
logger.warning(f"Memory consolidation: unexpected response type, skipping. Response: {text[:200]}")
logger.warning("Memory consolidation: unexpected response type, skipping. Response: {}", text[:200])
return
if entry := result.get("history_entry"):
# Defensive: ensure entry is a string (LLM may return dict)
if not isinstance(entry, str):
entry = json.dumps(entry, ensure_ascii=False)
memory.append_history(entry)
if update := result.get("memory_update"):
# Defensive: ensure update is a string
if not isinstance(update, str):
update = json.dumps(update, ensure_ascii=False)
if update != current_memory:
memory.write_long_term(update)
@@ -482,9 +517,9 @@ Respond with ONLY valid JSON, no markdown fences."""
session.last_consolidated = 0
else:
session.last_consolidated = len(session.messages) - keep_count
logger.info(f"Memory consolidation done: {len(session.messages)} messages, last_consolidated={session.last_consolidated}")
logger.info("Memory consolidation done: {} messages, last_consolidated={}", len(session.messages), session.last_consolidated)
except Exception as e:
logger.error(f"Memory consolidation failed: {e}")
logger.error("Memory consolidation failed: {}", e)
async def process_direct(
self,