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oh-my-opencode/src/cli/run/agent-resolver.ts
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import pc from "picocolors"
import type { RunOptions } from "./types"
import type { OhMyOpenCodeConfig } from "../../config"
const CORE_AGENT_ORDER = ["sisyphus", "hephaestus", "prometheus", "atlas"] as const
const DEFAULT_AGENT = "sisyphus"
type EnvVars = Record<string, string | undefined>
const normalizeAgentName = (agent?: string): string | undefined => {
if (!agent) return undefined
const trimmed = agent.trim()
if (!trimmed) return undefined
const lowered = trimmed.toLowerCase()
const coreMatch = CORE_AGENT_ORDER.find((name) => name.toLowerCase() === lowered)
return coreMatch ?? trimmed
}
const isAgentDisabled = (agent: string, config: OhMyOpenCodeConfig): boolean => {
const lowered = agent.toLowerCase()
if (lowered === "sisyphus" && config.sisyphus_agent?.disabled === true) {
return true
}
return (config.disabled_agents ?? []).some(
(disabled) => disabled.toLowerCase() === lowered
)
}
const pickFallbackAgent = (config: OhMyOpenCodeConfig): string => {
for (const agent of CORE_AGENT_ORDER) {
if (!isAgentDisabled(agent, config)) {
return agent
}
}
return DEFAULT_AGENT
}
export const resolveRunAgent = (
options: RunOptions,
pluginConfig: OhMyOpenCodeConfig,
env: EnvVars = process.env
): string => {
const cliAgent = normalizeAgentName(options.agent)
const envAgent = normalizeAgentName(env.OPENCODE_DEFAULT_AGENT)
const configAgent = normalizeAgentName(pluginConfig.default_run_agent)
const resolved = cliAgent ?? envAgent ?? configAgent ?? DEFAULT_AGENT
const normalized = normalizeAgentName(resolved) ?? DEFAULT_AGENT
if (isAgentDisabled(normalized, pluginConfig)) {
const fallback = pickFallbackAgent(pluginConfig)
const fallbackDisabled = isAgentDisabled(fallback, pluginConfig)
if (fallbackDisabled) {
console.log(
pc.yellow(
`Requested agent "${normalized}" is disabled and no enabled core agent was found. Proceeding with "${fallback}".`
)
)
return fallback
}
console.log(
pc.yellow(
`Requested agent "${normalized}" is disabled. Falling back to "${fallback}".`
)
)
return fallback
}
return normalized
}