Teknium 64e6165686 fix(delegate): remove model-facing max_iterations override; config is authoritative (#14732) ...

Previously delegate_task exposed 'max_iterations' in its JSON schema and used
`max_iterations or default_max_iter` — so a model guessing conservatively (or
copy-pasting a docstring hint like 'Only set lower for simple tasks') could
silently shrink a subagent's budget below the user's configured
delegation.max_iterations. One such call this session capped a deep forensic
audit at 40 iterations while the user's config was set to 250.

Changes:
- Drop 'max_iterations' from DELEGATE_TASK_SCHEMA['parameters']['properties'].
  Models can no longer emit it.
- In delegate_task(): ignore any caller-supplied max_iterations, always use
  delegation.max_iterations from config. Log at debug if a stale schema or
  internal caller still passes one through.
- Keep the Python kwarg on the function signature for internal callers
  (_build_child_agent tests pass it through the plumbing layer).
- Update test_schema_valid to assert the param is now absent (intentional
  contract change, not a change-detector).

2026-04-23 13:56:26 -07:00

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