{ "rules": [ { "when": "Well-specified implementation with clear acceptance criteria: pure functions, tests, repositories, adapters, or external-fetch integration.", "use": [{ "harness": "opencode", "model": "opencode-go/deepseek-v4.1-flash", "provider": "opencode-go" }], "why": "DeepSeek V4.1 Flash is the default OpenCode Go implementation worker; it is fast, economical, and strong on agentic coding tasks." }, { "when": "UI work where supplied screenshots or other image context materially affect the implementation or verification.", "use": [{ "harness": "opencode", "model": "opencode-go/glm-5.3-flash", "provider": "opencode-go" }], "why": "GLM-5.3-Flash is the Go worker with image input; use it when visual context matters." }, { "when": "Ambiguous investigation, difficult debugging, architectural tradeoffs, or broad changes with high uncertainty or blast radius.", "use": [{ "harness": "opencode", "model": "opencode-go/gpt-6-luna", "provider": "opencode-go" }], "why": "Reserve GPT-6 Luna for work that benefits from stronger reasoning than the fast implementation tier." } ], "default": [{ "harness": "opencode", "model": "opencode-go/deepseek-v4.1-flash", "provider": "opencode-go" }] }