refactor: 移除四所统计分析页交易日历

删除日历 UI、bootstrap 与 /api/stats/calendar 注册；保留日/周/月统计表。内照明心档案日历不受影响。

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

embed_templates/embed_boot_scripts.html

@@ -664,7 +664,6 @@ function switchStatsSegment(){
     q.set("stats_segment", key);
     const qs = q.toString();
     history.replaceState(null, "", qs ? (window.location.pathname + "?" + qs) : window.location.pathname);
-    if(window.statsCalendarWidget) window.statsCalendarWidget.load();
 }
 
 function initStatsSegmentFromUrl(){
@@ -701,7 +700,6 @@ attachListWindowToExports();
 toggleListWindowCustom();
 bindListWindowDateAutoCustom();
 initStatsSegmentFromUrl();
-if(typeof initInstanceStatsCalendar === "function") initInstanceStatsCalendar();
 if(document.getElementById("journal-list")) loadJournals();
 if(document.getElementById("review-list")) loadReviews();
 const reviewToggle = document.getElementById("review-mode-toggle");