Function validateConfigSet

src/cli/dashboard-control.ts:32–43

(path: string, value: unknown)

const KNOB_BY_PATH = new Map(CONFIG_KNOBS.map(k => [k.path, k]));

/** Validate + coerce a config-set against the whitelist. PURE. */
export function validateConfigSet(path: string, value: unknown): { ok: true; coerced: boolean | string } | { ok: false; error: string } {
  const knob = KNOB_BY_PATH.get(path);
  if (!knob) return { ok: false, error: `"${path}" is not a controllable setting` };
  if (knob.type === 'bool') {
    if (value === true || value === false) return { ok: true, coerced: value };
    if (value === 'true' || value === 'false') return { ok: true, coerced: value === 'true' };
    return { ok: false, error: `${knob.label} expects true/false` };
  }
  // enum
  if (typeof value === 'string' && knob.values!.includes(value)) return { ok: true, coerced: value };
  return { ok: false, error: `${knob.label} expects one of: ${knob.values!.join(', ')}` };
}

/** Set a dotted path on a plain object, creating intermediate objects. PURE. */