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fix(subagents): raise general-purpose max_turns to 150 and default timeout to 30min (#3610)

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* fix(subagents): raise general-purpose max_turns to 150 and default timeout to 30min

Deep-research subtasks failed out of the box with GraphRecursionError (Recursion limit of 100 reached): the built-in general-purpose subagent caps at max_turns=100. Raise it to 150 and bump the default subagent timeout from 900s (15min) to 1800s (30min) so the extra turns have time to run instead of shifting the failure to a timeout. The lead agent recursion_limit (100) is unchanged; the failures are subagent-only.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

* docs(subagents): clarify lead recursion_limit is independent of subagent max_turns

Add comments at both lead recursion_limit=100 sites (gateway services + channel manager) explaining the lead's LangGraph super-step budget is separate from subagent depth, so the two 100s are not conflated. Comment-only, no behavior change.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

* docs(subagents): clarify built-in vs custom timeout scope; pin bash max_turns in test

Review follow-ups: (1) clarify SubagentConfig docstring + global timeout field/comment that the 1800 default applies to built-in subagents (custom agents keep their own timeout_seconds); (2) pin bash.max_turns==60 in the defaults regression test so the config.example.yaml doc cannot drift; (3) rename test_default_timeout_preserved_when_no_config -> test_explicit_global_timeout_propagates_to_general_purpose since it intentionally exercises an explicit non-default 900. No runtime behavior change.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
DanielWalnut
2026-06-16 19:55:04 +08:00
committed by GitHub
parent d2cc991d55
commit 05be7ea688
9 changed files with 50 additions and 16 deletions
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backend/tests/test_app_config_reload.py
+1 -1
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@@ -316,7 +316,7 @@ def test_get_app_config_resets_singleton_configs_when_sections_removed(tmp_path,
assert get_title_config().enabled is True
assert get_summarization_config().enabled is False
assert get_memory_config().enabled is True
assert get_subagents_app_config().timeout_seconds == 900
assert get_subagents_app_config().timeout_seconds == 1800
assert get_tool_search_config().enabled is False
assert get_guardrails_config().enabled is False
assert get_checkpointer_config() is None