feat(ECR-007): Wyckoff Live Structure with Confirmed/Live isolation

Add live.py lifecycle and event candidates; assemble confirmed vs live
in engine; Summary partition; execution_signal source=confirmed only.
Keep strategies untouched; do not lower Confirmed thresholds for Live.

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

web/static/js/app/chart_format.js

@@ -1,6 +1,9 @@
 /* chart_format.js — split from chart.js */
 /* chart.js */
 function updateChartDisplay() {
+    if (typeof renderWyckoffCycleSummary === 'function') {
+        renderWyckoffCycleSummary();
+    }
     if (currentData) {
         // 检测K线周期是否切换
         const curPeriod = $('#subSubPeriodKline').is(':checked') ? 'subsub' :