Function resolvePickerEffortPersistence

src/utils/effort.ts:126–134

(
  picked: EffortLevel | undefined,
  modelDefault: EffortLevel,
  priorPersisted: EffortLevel | undefined,
  toggledInPicker: boolean,
)

 * deliberately do not write to settings.json).
 */
export function resolvePickerEffortPersistence(
  picked: EffortLevel | undefined,
  modelDefault: EffortLevel,
  priorPersisted: EffortLevel | undefined,
  toggledInPicker: boolean,
): EffortLevel | undefined {
  const hadExplicit = priorPersisted !== undefined || toggledInPicker
  return hadExplicit || picked !== modelDefault ? picked : undefined
}

export function getEffortEnvOverride(): EffortValue | null | undefined {
  const envOverride = process.env.CLAUDE_CODE_EFFORT_LEVEL