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/install_vol_monitor_launchd.sh

@@ -0,0 +1,82 @@
+#!/usr/bin/env bash
+# macOS LaunchAgent — vol_live 모니터(8766) 로그인 시 자동 기동·유지
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+LABEL="com.bithumb.vol-monitor"
+PLIST_SRC="${ROOT}/scripts/com.bithumb.vol-monitor.plist.template"
+PLIST_DST="${HOME}/Library/LaunchAgents/${LABEL}.plist"
+LOG="${ROOT}/data/spot/operations/vol_monitor_serve.log"
+
+usage() {
+  cat <<EOF
+Usage: $(basename "$0") [--install|--uninstall|--status]
+
+  --install    LaunchAgent 등록 + 즉시 기동 (로그인·크래시 시 자동 재시작)
+  --uninstall  LaunchAgent 제거
+  --status     실행 상태 확인
+
+접속: http://127.0.0.1:8766/vol_live_monitor.html
+EOF
+}
+
+resolve_python() {
+  # shellcheck source=scripts/_cron_env.sh
+  source "${ROOT}/scripts/_cron_env.sh"
+  resolve_bithumb_python
+}
+
+render_plist() {
+  local python_bin="$1"
+  mkdir -p "${ROOT}/data/spot/operations"
+  sed \
+    -e "s|__ROOT__|${ROOT}|g" \
+    -e "s|__PYTHON__|${python_bin}|g" \
+    -e "s|__LOG__|${LOG}|g" \
+    "$PLIST_SRC"
+}
+
+cmd="${1:---status}"
+case "$cmd" in
+  --install)
+    PYTHON="$(resolve_python)" || exit 1
+    mkdir -p "${HOME}/Library/LaunchAgents"
+    render_plist "$PYTHON" > "$PLIST_DST"
+    launchctl bootout "gui/$(id -u)/${LABEL}" 2>/dev/null || true
+    launchctl bootstrap "gui/$(id -u)" "$PLIST_DST"
+    launchctl enable "gui/$(id -u)/${LABEL}" 2>/dev/null || true
+    launchctl kickstart -k "gui/$(id -u)/${LABEL}" 2>/dev/null || true
+    sleep 2
+    if curl -sf -o /dev/null --connect-timeout 3 "http://127.0.0.1:8766/vol_live_monitor.html"; then
+      echo "LaunchAgent 설치 완료 — http://127.0.0.1:8766/vol_live_monitor.html"
+    else
+      echo "LaunchAgent 등록됨. 접속 안 되면 로그 확인: $LOG" >&2
+      tail -15 "$LOG" 2>/dev/null || true
+    fi
+    ;;
+  --uninstall)
+    launchctl bootout "gui/$(id -u)/${LABEL}" 2>/dev/null || true
+    rm -f "$PLIST_DST"
+    echo "LaunchAgent 제거됨"
+    ;;
+  --status)
+    if launchctl print "gui/$(id -u)/${LABEL}" >/dev/null 2>&1; then
+      echo "LaunchAgent: 등록됨"
+      launchctl print "gui/$(id -u)/${LABEL}" 2>/dev/null | grep -E "state =|pid =|last exit" || true
+    else
+      echo "LaunchAgent: 미등록"
+    fi
+    if curl -sf -o /dev/null --connect-timeout 2 "http://127.0.0.1:8766/vol_live_monitor.html"; then
+      echo "HTTP 8766: 응답 OK"
+    else
+      echo "HTTP 8766: 연결 불가 (서버 미기동)"
+    fi
+    ;;
+  -h|--help)
+    usage
+    ;;
+  *)
+    usage >&2
+    exit 1
+    ;;
+esac