- toggle_telegram_push: reset cursor to NOW when transitioning 0→1 (idempotent when already enabled, prevents historical email flood) - Add '🔔 推送' tag to account cards when push is enabled - Tag is clickable to disable push (removes tag) - Add .tg-push-tag CSS (Telegram blue #0088cc) - Add test T-12b: verify re-enable resets cursor - Update BUG-00007 doc with BUG-TG-005 Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>