feat(vol_breakout): 15m 현물 롱 라이브·모니터·cron 운영 추가

vol_breakout 멀티종목 tick, vol_live HTML 모니터, 마감 봉만 저장하는 캔들 다운로드,
텔레그램 체결 알림, cron/watch 감시 스크립트 및 테스트를 포함한다.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/bithumb/notifications/telegram.py

@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 import logging
+from datetime import datetime
 from typing import Any
 
 import requests
@@ -131,6 +132,50 @@ class TelegramNotifier:
 
         return self.send_message("\n".join(lines))
 
+    def notify_vol_breakout_trade(
+        self,
+        *,
+        mode: str,
+        symbol: str,
+        side: str,
+        price: float,
+        order_krw: float,
+        order_coin: float,
+        equity_krw: float,
+        reason: str = "signal_vol_breakout",
+        ts: str | None = None,
+        pnl_krw: float | None = None,
+        pnl_pct: float | None = None,
+    ) -> bool:
+        """vol_breakout 현물 롱 체결 알림 (Binance live_engine 형식)."""
+        mode_txt = "실거래" if mode == "live" else "페이퍼"
+        market = f"{symbol.upper()}KRW"
+        time_txt = (ts or datetime.now().strftime("%Y-%m-%d %H:%M:%S"))[:19]
+
+        if side == "buy":
+            text = (
+                f"[{mode_txt}] 롱 진입(매수)\n"
+                f"{market} @ {price:,.2f}\n"
+                f"수량 {order_coin:.6f} (≈{order_krw:,.0f}원)\n"
+                f"사유 {reason}\n"
+                f"시각 {time_txt}"
+            )
+        else:
+            pnl_line = ""
+            if pnl_krw is not None and pnl_pct is not None:
+                pnl_line = (
+                    f"손익 {pnl_krw:+,.0f}원 ({pnl_pct:+.3f}%)\n"
+                )
+            text = (
+                f"[{mode_txt}] 롱 청산(매도)\n"
+                f"{market} @ {price:,.2f}\n"
+                f"{pnl_line}"
+                f"자본 {equity_krw:,.0f}원\n"
+                f"사유 {reason}\n"
+                f"시각 {time_txt}"
+            )
+        return self.send_message(text)
+
     def notify_trade_failure(
         self,
         *,