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fix(delegation): honor provider override for subagents

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Clear inherited provider preference filters when delegation.provider is set so delegated children do not route back to the parent provider. Add a regression test for cross-provider delegation with parent OpenRouter filters.

Closes #10653
This commit is contained in:
0668001438
2026-04-27 11:06:41 +08:00
committed by Teknium
parent 7a8ee8b29d
commit 83080772f2
2 changed files with 63 additions and 4 deletions
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25
tools/delegate_tool.py
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@@ -1032,6 +1032,23 @@ def _build_child_agent(
# fallback_model parameter (which handles both list and dict forms).
parent_fallback = getattr(parent_agent, "_fallback_chain", None) or None
# Inherit the parent's OpenRouter provider-preference filters by default
# (so subagents routed to the same provider honour the same routing
# constraints). BUT: when `delegation.provider` is set the user is
# explicitly asking the child to run on a different provider, and
# parent-level OpenRouter filters (e.g. `only=["Anthropic"]`) would
# silently force the child back onto the parent's provider. Clear the
# filters in that case so the delegated provider is honoured.
child_providers_allowed = getattr(parent_agent, "providers_allowed", None)
child_providers_ignored = getattr(parent_agent, "providers_ignored", None)
child_providers_order = getattr(parent_agent, "providers_order", None)
child_provider_sort = getattr(parent_agent, "provider_sort", None)
if override_provider:
child_providers_allowed = None
child_providers_ignored = None
child_providers_order = None
child_provider_sort = None
child = AIAgent(
base_url=effective_base_url,
api_key=effective_api_key,
@@ -1056,10 +1073,10 @@ def _build_child_agent(
thinking_callback=child_thinking_cb,
session_db=getattr(parent_agent, "_session_db", None),
parent_session_id=getattr(parent_agent, "session_id", None),
providers_allowed=parent_agent.providers_allowed,
providers_ignored=parent_agent.providers_ignored,
providers_order=parent_agent.providers_order,
provider_sort=parent_agent.provider_sort,
providers_allowed=child_providers_allowed,
providers_ignored=child_providers_ignored,
providers_order=child_providers_order,
provider_sort=child_provider_sort,
tool_progress_callback=child_progress_cb,
iteration_budget=None, # fresh budget per subagent
)