Function clearPlanSlug

src/utils/plans.ts:62–65

(sessionId?: SessionId)

 * This should be called on /clear to ensure a fresh plan file is used.
 */
export function clearPlanSlug(sessionId?: SessionId): void {
  const id = sessionId ?? getSessionId()
  getPlanSlugCache().delete(id)
}

/**
 * Clear ALL plan slug entries (all sessions).