feat(tools): add per-call model/provider/profile overrides to delegate_task - #64988
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…e_task Adds three new optional parameters to the delegate_task tool that let the model (or a human caller) override the model, provider, and profile used for subagents on a per-call basis. - model: specify which model the subagent should use - provider: specify which provider serves the model (required with model) - profile: specify which Hermes profile's credentials to resolve from When model is provided, _resolve_per_call_credentials() reads the specified profile's .env and config.yaml to resolve the API key, base URL, and API mode — bypassing the delegation config block entirely. When model is omitted, the existing delegation config path is used unchanged. The new fields are exposed in the tool schema so the model sees them, and threaded through the registry handler into the delegate_task() function signature.
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…e_task Adds three new optional parameters (model, provider, profile) to the delegate_task tool that let the model override the model, provider, and profile used for subagents on a per-call basis. - model: specify which model the subagent should use - provider: optional — when omitted, child inherits parent's provider and credentials (model-only override) - profile: optional — when omitted, uses active profile's directories When model is provided, _resolve_per_call_credentials() reads the specified profile's .env and config.yaml to resolve the API key, base URL, and API mode, bypassing the delegation config block entirely. When model is omitted, the existing delegation config path is unchanged. Includes 6 unit tests covering: model-only override (no provider), model+provider resolution, credential dict shape compatibility, signature acceptance, and schema field exposure.
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Superseded by v3 branch — see new PR for updated implementation addressing OpenCode review feedback. |
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Summary
model,provider,profile) to thedelegate_tasktool_resolve_per_call_credentials()function reads the specified profile's.envandconfig.yamlMotivation
delegate_taskpreviously inherited the parent agent's model and provider with no way to override per-call. This change makes model-aware routing a first-class capability of the delegation framework.Changes
delegate_task()signature: addedmodel,provider,profileoptional parametersmodelis set,_resolve_per_call_credentials()overrides the resolved credentials dict_resolve_per_call_credentials(model, provider=None, profile=None)— reads the target profile's.envandconfig.yaml. When provider is omitted, returns a model-only override (child inherits parent's provider/credentials). When profile is omitted, uses the active profile's directories.model,provider,profileas optional string properties inDELEGATE_TASK_SCHEMAdelegate_task()TestPerCallCredentialOverridecovering model-only, model+provider, nonexistent profile fallback, empty model string, credential dict shape, and schema exposureTest Plan
python -m pytest tests/tools/test_delegate.py::TestPerCallCredentialOverride -v— 8/8 passdelegate_task(goal="...", model="deepseek-v4-flash", provider="opencode-go", profile="coder")spawns subagent on the specified modelscripts/run_tests.shNotes for Reviewers
modelis omitted — existing delegation config path unchangedprofilefor SOUL.md persona loading — complementary