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>

scripts/3_run_vol_breakout_cron.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# vol_breakout 현물 롱 tick (cron 1분)
+set -euo pipefail
+# shellcheck source=scripts/_cron_env.sh
+source "$(dirname "$0")/_cron_env.sh"
+
+ensure_cron_log_dir "data/spot/operations"
+LOCKDIR="data/spot/operations/vol.tick.lock.d"
+if ! acquire_cron_lock "$LOCKDIR" "scripts/3_run_vol_breakout.py" 600; then
+  exit 0
+fi
+
+PYTHON="$(resolve_bithumb_python)" || exit 1
+"$PYTHON" scripts/3_run_vol_breakout.py "$@"