Function handlePlanModeTransition

src/bootstrap/state.ts:1349–1363

(
  fromMode: string,
  toMode: string,
)

}

export function handlePlanModeTransition(
  fromMode: string,
  toMode: string,
): void {
  // If switching TO plan mode, clear any pending exit attachment
  // This prevents sending both plan_mode and plan_mode_exit when user toggles quickly
  if (toMode === 'plan' && fromMode !== 'plan') {
    STATE.needsPlanModeExitAttachment = false
  }

  // If switching out of plan mode, trigger the plan_mode_exit attachment
  if (fromMode === 'plan' && toMode !== 'plan') {
    STATE.needsPlanModeExitAttachment = true
  }
}

export function needsAutoModeExitAttachment(): boolean {
  return STATE.needsAutoModeExitAttachment