feat: add first-class --model option and agentModel config#156
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…ent model selection
Adds a --model CLI flag and an agentModel config section that maps
agent names to model strings. Each agent handles the model string
in its native format: CLI agents receive --model as a spawn arg,
OpenCode receives it as { providerID, modelID } in the HTTP body,
and RovoDev receives it in the chat message body.
--model and -m are reserved args for OpenCode in agentArgsOverride
to steer users toward the first-class option instead.
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Fixes #83 |
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Summary
Adds a
--modelCLI flag and anagentModelconfig section that maps agent names to model strings, implementing the first-class model option discussed in #83.What changed
Config (
config.ts)agentModel: Partial<Record<AgentName, string>>to theConfiginterfacenormalizeAgentModel()with validation (non-empty strings, valid agent names)serializeAgentModel()for YAML config persistence--model/-minisReservedAgentArg()for OpenCode (hard error: "Use --model CLI flag or agentModel config instead")Factory (
factory.ts)model?: stringtoCreateAgentOptionsmodelto every agent constructorAgents
--model <model>added to CLI spawn args{ providerID, modelID }fromprovider/modelstring, sent in theprompt_asyncHTTP request bodysetChatMessagerequest bodyCLI (
cli.ts)--model <model>flag--modelflag, falling back toconfig.agentModel[config.agent]Usage
Or via CLI:
gnhf --model anthropic/claude-sonnet-4-20250514 "refactor the auth module"Tests
All 659 tests pass. Lint, typecheck, and format are clean.