Add auto break-even toggle and WeCom hub notifications.

Desktop can auto-pull stop to open+/-1 after a 3$ favorable move; hub pushes open/close events and a 23:00 BJT daily summary via webhook.

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

desktop/gold_order_app.py

@@ -22,12 +22,19 @@ import MetaTrader5 as mt5
 try:
     import hub_client
     from activation_dialog import ensure_activated
-    from device_store import is_activated, load_device
+    from device_store import (
+        get_auto_break_even,
+        is_activated,
+        load_device,
+        set_auto_break_even,
+    )
 except ImportError:  # 允许单独拷贝本文件调试
     hub_client = None  # type: ignore
     ensure_activated = None  # type: ignore
     is_activated = lambda: False  # type: ignore
     load_device = lambda: {}  # type: ignore
+    get_auto_break_even = lambda: False  # type: ignore
+    set_auto_break_even = lambda _enabled: None  # type: ignore
 
 
 APP_TITLE = "黄金市价辅助"
@@ -1096,6 +1103,7 @@ class OrderApp(tk.Tk):
         self._lot_auto_done = False
         self._selected_tickets_set: set = set()
         self._be_done_tickets: set = set()  # 已拉过保本的单号，不再判断
+        self._auto_be_busy = False  # 自动保本进行中，防并发改单
         self._pos_sig = None
         self._pos_profit_labels: dict = {}
         self._metric_values: dict = {}
@@ -1320,6 +1328,13 @@ class OrderApp(tk.Tk):
         self._be_ready = False
         self.btn_break_even = self._mk_btn(pos_bar, "保本", COLOR_BE, self.on_break_even, h=34, w=90)
         self.btn_break_even.pack(side=tk.RIGHT, padx=4)
+        self.var_auto_be = tk.BooleanVar(value=bool(get_auto_break_even()))
+        ttk.Checkbutton(
+            pos_bar,
+            text="自动保本",
+            variable=self.var_auto_be,
+            command=self._on_auto_be_toggle,
+        ).pack(side=tk.RIGHT, padx=(4, 8))
         self._mk_btn(pos_bar, "打开复盘", "#3a5a80", self.on_open_review, h=34, w=100).pack(
             side=tk.RIGHT, padx=4
         )
@@ -1384,7 +1399,8 @@ class OrderApp(tk.Tk):
             text=(
                 f"最多同时 {MAX_OPEN_POSITIONS} 笔 · 同向≤{MAX_SIDE_LOTS:.2f} 手 · "
                 f"点差>{SPREAD_WARN_USD:.2f} 买卖提示 · "
-                "亏≥5%或盈≥10%禁止开仓 · 持仓可单独「改止损/改止盈」 · 保本：有利≥3$ 后止损到开仓价±1$"
+                "亏≥5%或盈≥10%禁止开仓 · 持仓可单独「改止损/改止盈」 · "
+                "保本：有利≥3$ 后止损到开仓价±1$（可勾选自动保本）"
             ),
             bg=COLOR_BG,
             fg=COLOR_MUTED,
@@ -1743,6 +1759,72 @@ class OrderApp(tk.Tk):
         except Exception:
             ok = False
         self._set_be_button_enabled(ok)
+        if ok and getattr(self, "var_auto_be", None) is not None and self.var_auto_be.get():
+            self._maybe_auto_break_even()
+
+    def _on_auto_be_toggle(self) -> None:
+        enabled = bool(self.var_auto_be.get())
+        try:
+            set_auto_break_even(enabled)
+        except Exception:
+            pass
+        self.set_status(
+            "已开启自动保本：有利≥3$ 时自动拉止损到开仓价±1$"
+            if enabled
+            else "已关闭自动保本（仍可手动点「保本」）",
+            ok=True,
+        )
+        if enabled:
+            try:
+                positions = self.bridge.positions(self._symbol())
+            except Exception:
+                positions = []
+            self._maybe_auto_break_even(positions)
+
+    def _maybe_auto_break_even(self, positions=None) -> None:
+        """开启自动保本且存在候选单时，后台改止损（不抢手动操作的 _busy）。"""
+        if self._busy or self._auto_be_busy:
+            return
+        if not getattr(self, "var_auto_be", None) or not self.var_auto_be.get():
+            return
+        symbol = self._symbol()
+
+        def work():
+            self.bridge.connect()
+            pos = positions
+            if pos is None:
+                pos = self.bridge.positions(symbol)
+            tick = self.bridge.tick(symbol)
+            tickets = self._be_candidate_tickets(pos, tick)
+            if not tickets:
+                return None
+            msg, done = self.bridge.break_even_tickets(tickets, BE_OFFSET_USD)
+            self._be_done_tickets.update(done)
+            return f"自动保本：{msg}"
+
+        def after_ok(msg: str) -> None:
+            self.set_status(msg, ok=True)
+            self._pos_sig = None
+            try:
+                digits = int(self.bridge.symbol_info(symbol).digits)
+            except Exception:
+                digits = 3
+            self._refresh_positions(symbol, digits)
+
+        def runner():
+            try:
+                msg = work()
+                if msg:
+                    self.after(0, lambda m=msg: after_ok(m))
+            except TradeError as exc:
+                self.after(0, lambda: self.set_status(f"自动保本：{exc}", ok=False))
+            except Exception as exc:  # noqa: BLE001
+                self.after(0, lambda: self.set_status(f"自动保本异常：{exc}", ok=False))
+            finally:
+                self._auto_be_busy = False
+
+        self._auto_be_busy = True
+        threading.Thread(target=runner, daemon=True).start()
 
     def _hub_upload_bars(self, symbol: str) -> None:
         if hub_client is None or not is_activated():