feat(strategy): WeChat notify on trend and roll plan start/end

Add shared strategy_wechat_notify helpers; hook trend execute/finalize and roll group open/close across four exchanges and Gate bot.

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

strategy_trend_register.py

@@ -79,8 +79,33 @@ def build_trend_config(app_module: Any = None, **kw) -> dict[str, Any]:
         except Exception:
             return None
 
+    def send_wechat(content):
+        fn = getattr(m, "send_wechat_msg", None)
+        if callable(fn):
+            fn(content)
+
+    def wechat_account_label():
+        fn = getattr(m, "_wechat_account_label", None)
+        if callable(fn):
+            try:
+                return fn()
+            except Exception:
+                pass
+        return getattr(m, "EXCHANGE_DISPLAY_NAME", "") or ""
+
+    def wechat_direction_text(direction):
+        fn = getattr(m, "_wechat_direction_text", None)
+        if callable(fn):
+            try:
+                return fn(direction)
+            except Exception:
+                pass
+        d = (direction or "long").strip().lower()
+        return "做多" if d == "long" else "做空"
+
     return {
         "app_module": m,
+        "exchange_display": getattr(m, "EXCHANGE_DISPLAY_NAME", ""),
         "login_required": m.login_required,
         "get_db": m.get_db,
         "row_to_dict": m.row_to_dict,
@@ -93,6 +118,10 @@ def build_trend_config(app_module: Any = None, **kw) -> dict[str, Any]:
         "max_active_positions": int(getattr(m, "MAX_ACTIVE_POSITIONS", 1)),
         "reset_hour": int(getattr(m, "TRADING_DAY_RESET_HOUR", 8)),
         "monitor_type_trend": MONITOR_TYPE_TREND,
+        "send_wechat": send_wechat,
+        "format_price": getattr(m, "format_price_for_symbol", None),
+        "wechat_account_label": wechat_account_label,
+        "wechat_direction_text": wechat_direction_text,
     }
 
 
@@ -504,6 +533,21 @@ def _finalize_plan(cfg: dict, conn, row, result_label: str, exit_price: float) -
     if not getattr(cur, "rowcount", 0):
         return
     conn.commit()
+    try:
+        from strategy_wechat_notify import notify_trend_plan_ended
+
+        notify_trend_plan_ended(
+            cfg,
+            plan_id=plan_id,
+            symbol=sym,
+            direction=direction,
+            end_type=result_label,
+            result_label=res,
+            exit_price=float(exit_price) if exit_price is not None else None,
+            pnl_amount=float(pnl_amount) if pnl_amount is not None else None,
+        )
+    except Exception:
+        pass
     try:
         closed = conn.execute(
             "SELECT * FROM trend_pullback_plans WHERE id=?", (plan_id,)
@@ -945,6 +989,20 @@ def apply_manual_breakeven(cfg: dict, conn, row, offset_pct=None) -> tuple[bool,
     send = getattr(m, "send_wechat_msg", None)
     pf = getattr(m, "format_price_for_symbol", None)
     fmt = (lambda s, p: pf(s, p)) if callable(pf) else (lambda _s, p: str(p))
+    try:
+        from strategy_wechat_notify import notify_trend_plan_ended
+
+        notify_trend_plan_ended(
+            cfg,
+            plan_id=plan_id,
+            symbol=sym,
+            direction=direction,
+            end_type="保本移交",
+            result_label=TREND_HANDOFF_TRADE_NOTE,
+            extra=f"已移交下单监控 #{mon_id}；止损 {fmt(sym, new_sl)} ｜ 止盈 {fmt(sym, tp)}",
+        )
+    except Exception:
+        pass
     if callable(send):
         lines = [
             f"# ✅ {sym} 趋势回调保本移交",
@@ -1213,6 +1271,26 @@ def register_trend_routes(app: Flask, cfg: dict) -> None:
         )
         conn.execute("DELETE FROM trend_pullback_previews WHERE id=?", (pid,))
         conn.commit()
+        try:
+            from strategy_wechat_notify import notify_trend_plan_started
+
+            notify_trend_plan_started(
+                cfg,
+                plan_id=new_id,
+                symbol=symbol,
+                direction=direction,
+                leverage=leverage,
+                stop_loss=stop_loss,
+                take_profit=float(pr["take_profit"]),
+                add_upper=float(pr["add_upper"]),
+                risk_percent=float(pr["risk_percent"] or 5),
+                dca_legs=int(pr["dca_legs"] or 0),
+                first_order_amount=first_amt,
+                avg_entry=fill1,
+                snapshot_usdt=float(snap_now),
+            )
+        except Exception:
+            pass
         conn.close()
         flash("趋势回调已执行：首仓已成交并挂交易所止损，止盈由程序监控。")
         return _redirect_trend()