fix: 统计日历服务端内嵌 bootstrap，首屏显示盈亏与笔数

与月统计同源 initial_calendar 写入页面，API 失败时仍渲染；四所日历路由独立注册并传入 get_db_fn。

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

static/trade_stats_calendar.js

@@ -89,6 +89,38 @@
     this.month = d.getMonth() + 1;
   };
 
+  TradeStatsCalendar.prototype.applyPayload = function (data) {
+    if (!data) return;
+    var y = Number(data.year);
+    var m = Number(data.month);
+    if (Number.isFinite(y) && y > 0) this.year = y;
+    if (Number.isFinite(m) && m > 0) this.month = m;
+    this.days = this.parseResponse(data) || {};
+    this.monthPnlTotal = Number(data.month_pnl_total) || 0;
+    this.monthOpenCount = Number(data.month_open_count) || 0;
+    if (!this.monthOpenCount) {
+      var self = this;
+      Object.keys(this.days).forEach(function (k) {
+        if (dayHasTrade(self.days[k])) {
+          self.monthOpenCount += dayOpenCount(self.days[k]);
+          self.monthPnlTotal += dayPnl(self.days[k]);
+        }
+      });
+      this.monthPnlTotal = Math.round(this.monthPnlTotal * 10000) / 10000;
+    }
+  };
+
+  function readStatsCalendarBootstrap() {
+    var el = document.getElementById("stats-calendar-bootstrap");
+    if (!el || !el.textContent) return null;
+    try {
+      return JSON.parse(el.textContent);
+    } catch (e) {
+      console.warn("[trade calendar] bootstrap parse", e);
+      return null;
+    }
+  }
+
   TradeStatsCalendar.prototype.setSelectedDay = function (day) {
     this.selectedDay = day || "";
     this.render();
@@ -192,23 +224,12 @@
         });
         if (!resp.ok) {
           console.warn("[trade calendar] api", resp.status);
+          this.render();
           return;
         }
         data = await resp.json();
       }
-      this.days = this.parseResponse(data) || {};
-      this.monthPnlTotal = Number(data && data.month_pnl_total) || 0;
-      this.monthOpenCount = Number(data && data.month_open_count) || 0;
-      if (!this.monthOpenCount) {
-        var self = this;
-        Object.keys(this.days).forEach(function (k) {
-          if (dayHasTrade(self.days[k])) {
-            self.monthOpenCount += dayOpenCount(self.days[k]);
-            self.monthPnlTotal += dayPnl(self.days[k]);
-          }
-        });
-        this.monthPnlTotal = Math.round(this.monthPnlTotal * 10000) / 10000;
-      }
+      this.applyPayload(data);
       this.render();
       if (this.onMonthChange) this.onMonthChange(this.year, this.month, this.days);
     } catch (e) {
@@ -253,6 +274,16 @@
   global.initInstanceStatsCalendar = function () {
     var grid = document.getElementById("stats-calendar");
     if (!grid || !global.TradeStatsCalendar) return null;
+    var bootstrap = readStatsCalendarBootstrap();
+    if (
+      global.statsCalendarWidget &&
+      global.statsCalendarWidget.gridEl === grid
+    ) {
+      if (bootstrap) global.statsCalendarWidget.applyPayload(bootstrap);
+      global.statsCalendarWidget.render();
+      void global.statsCalendarWidget.load();
+      return global.statsCalendarWidget;
+    }
     global.statsCalendarWidget = new TradeStatsCalendar({
       gridEl: grid,
       titleEl: document.getElementById("stats-cal-title"),
@@ -273,6 +304,7 @@
         return (data && data.days) || {};
       },
     });
+    if (bootstrap) global.statsCalendarWidget.applyPayload(bootstrap);
     global.statsCalendarWidget.render();
     void global.statsCalendarWidget.load();
     return global.statsCalendarWidget;