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refactor(config): make max messages default explicit

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Use 120 as the config-level default and normalize zero back to that limit so session replay always receives an explicit message cap.

Made-with: Cursor
This commit is contained in:
Xubin Ren
2026-04-28 14:54:32 +08:00
committed by Xubin Ren
parent d45ffcf519
commit ad4802600e
5 changed files with 67 additions and 66 deletions
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nanobot/agent/loop.py
+4 -6
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@@ -202,7 +202,7 @@ class AgentLoop:
timezone: str | None = None,
session_ttl_minutes: int = 0,
consolidation_ratio: float = 0.5,
max_messages: int = 0,
max_messages: int = 120,
hooks: list[AgentHook] | None = None,
unified_session: bool = False,
disabled_skills: list[str] | None = None,
@@ -260,7 +260,7 @@ class AgentLoop:
disabled_skills=disabled_skills,
)
self._unified_session = unified_session
self._max_messages = max_messages if max_messages > 0 else 0
self._max_messages = max_messages if max_messages > 0 else 120
self._running = False
self._mcp_servers = mcp_servers or {}
self._mcp_stacks: dict[str, AsyncExitStack] = {}
@@ -887,11 +887,10 @@ class AgentLoop:
msg.metadata, session_key=key,
)
_hist_kwargs: dict[str, Any] = {
"max_messages": self._max_messages,
"max_tokens": self._replay_token_budget(),
"include_timestamps": True,
}
if self._max_messages > 0:
_hist_kwargs["max_messages"] = self._max_messages
history = session.get_history(**_hist_kwargs)
current_role = "assistant" if is_subagent else "user"
@@ -977,11 +976,10 @@ class AgentLoop:
message_tool.start_turn()
_hist_kwargs: dict[str, Any] = {
"max_messages": self._max_messages,
"max_tokens": self._replay_token_budget(),
"include_timestamps": True,
}
if self._max_messages > 0:
_hist_kwargs["max_messages"] = self._max_messages
history = session.get_history(**_hist_kwargs)
pending_ask_id = pending_ask_user_id(history)