feat: strategy trade snapshots, DCA detail, and hub trend layout

Persist ended trend pullback and roll group snapshots to a unified records page; show replenishment tiers on instance and hub cards with horizontal single-position layout.

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

crypto_monitor_binance/app.py

@@ -6008,12 +6008,12 @@ def render_main_page(page="trade"):
         f"【阻力/支撑】填上/下沿，5m 收盘突破任一侧即提醒 {KEY_ALERT_MAX_TIMES} 次（间隔 {KEY_ALERT_INTERVAL_MINUTES} 分），不选方向、不自动开仓"
     )
     strategy_extra = {}
-    if page in ("strategy", "strategy_trend", "strategy_roll"):
-        from strategy_ui import strategy_page_template_vars
+    if page in ("strategy", "strategy_trend", "strategy_roll", "strategy_records"):
+        from strategy_ui import strategy_render_extras
 
-        strategy_extra = strategy_page_template_vars(
+        strategy_extra = strategy_render_extras(
             conn,
-            "strategy",
+            page,
             default_risk_percent=float(RISK_PERCENT),
             request_obj=request,
             trend_cfg=app.extensions.get("strategy_trend_cfg"),