teknium1 9423fda5cb feat: configurable subagent provider:model with full credential resolution ...

Adds delegation.model and delegation.provider config fields so subagents
can run on a completely different provider:model pair than the parent agent.

When delegation.provider is set, the system resolves the full credential
bundle (base_url, api_key, api_mode) via resolve_runtime_provider() —
the same path used by CLI/gateway startup. This means all configured
providers work out of the box: openrouter, nous, zai, kimi-coding,
minimax, minimax-cn.

Key design decisions:
- Provider resolution uses hermes_cli.runtime_provider (single source of
  truth for credential resolution across CLI, gateway, cron, and now
  delegation)
- When only delegation.model is set (no provider), the model name changes
  but parent credentials are inherited (for switching models within the
  same provider like OpenRouter)
- When delegation.provider is set, full credentials are resolved
  independently — enabling cross-provider delegation (e.g. parent on
  Nous Portal, subagents on OpenRouter)
- Clear error messages if provider resolution fails (missing API key,
  unknown provider name)
- _load_config() now falls back to hermes_cli.config.load_config() for
  gateway/cron contexts where CLI_CONFIG is unavailable

Based on PR #791 by 0xbyt4 (closes #609), reworked to use proper
provider credential resolution instead of passing provider as metadata.

Co-authored-by: 0xbyt4 <0xbyt4@users.noreply.github.com>

2026-03-11 06:12:21 -07:00

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