openclaw onboard --auth-choice opencode-go
# or non-interactive
openclaw onboard --opencode-go-api-key "$OPENCODE_API_KEY"

{
  env: { OPENCODE_API_KEY: "YOUR_API_KEY_HERE" }, // pragma: allowlist secret
  agents: { defaults: { model: { primary: "opencode-go/kimi-k2.5" } } },
}