feat: 档案统计独立卡片、共用交易日历与四所统计页日历

内照明心统计表移至顶部卡片，右侧为日历/图表/交易记录；日历样式适配浅深主题，四所统计分析页同步展示按月盈亏日历。

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

hub_bridge.py

@@ -66,6 +66,8 @@ def install_instance_theme_static(app) -> None:
         "instance_embed.js": "application/javascript; charset=utf-8",
         "focus_chart_page.js": "application/javascript; charset=utf-8",
         "focus_chart_page.css": "text/css; charset=utf-8",
+        "trade_stats_calendar.js": "application/javascript; charset=utf-8",
+        "trade_stats_calendar.css": "text/css; charset=utf-8",
     }
 
     for name, mime in assets.items():
@@ -83,6 +85,53 @@ def install_instance_theme_static(app) -> None:
         )
 
 
+def register_trade_stats_calendar_route(
+    app,
+    *,
+    login_required_fn,
+    load_pnls_fn,
+    row_matches_segment_fn,
+    reset_hour: int,
+):
+    """四所统计分析页：按月返回各交易日盈亏/笔数。"""
+    from flask import jsonify, request
+
+    from trade_stats_calendar_lib import build_trade_stats_calendar
+
+    @app.route("/api/stats/calendar")
+    @login_required_fn
+    def api_stats_calendar():
+        year = request.args.get("year", type=int)
+        month = request.args.get("month", type=int)
+        segment = (request.args.get("segment") or "all").strip() or "all"
+        if not year or not month:
+            from datetime import datetime
+
+            now = datetime.now()
+            year = year or now.year
+            month = month or now.month
+        get_db = (app.config.get("HUB_CTX") or {}).get("get_db")
+        if not get_db:
+            return jsonify({"ok": False, "msg": "未配置数据库"}), 500
+        conn = get_db()
+        try:
+            pnls = load_pnls_fn(conn)
+        finally:
+            conn.close()
+        try:
+            payload = build_trade_stats_calendar(
+                pnls,
+                year,
+                month,
+                segment,
+                row_matches_segment_fn,
+                reset_hour=int(reset_hour),
+            )
+        except ValueError as exc:
+            return jsonify({"ok": False, "msg": str(exc)}), 400
+        return jsonify({"ok": True, **payload})
+
+
 def _hub_auth_required(f):
     @wraps(f)
     def wrapped(*args, **kwargs):