fix: 箱体/收敛突破标记价反向越界时自动撤销监控

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

key_monitor_lib.py

@@ -66,6 +66,30 @@ def auto_confirm_ok(direction: str, cfm_close: float, upper: float, lower: float
     return c < float(lower)
 
 
+BOX_BREAKOUT_CLOSE_OPPOSITE = "box_opposite_break"
+
+
+def box_breakout_invalidate_by_mark(
+    direction: str, mark_price: float, upper: float, lower: float
+) -> bool:
+    """箱体/收敛：标记价先突破反向边界则失效。多：mark<=L；空：mark>=H。"""
+    try:
+        m = float(mark_price)
+        h = float(upper)
+        lo = float(lower)
+    except (TypeError, ValueError):
+        return False
+    direction = (direction or "long").strip().lower()
+    if direction == "short":
+        return m >= h
+    return m <= lo
+
+
+def box_breakout_invalidate_edge_label(direction: str) -> str:
+    direction = (direction or "long").strip().lower()
+    return "下沿" if direction == "long" else "上沿"
+
+
 def detect_rs_box_break(close: float, upper: float, lower: float) -> Optional[dict[str, Any]]:
     """
     阻力/支撑人工盯盘：最近 5m 收盘突破上沿或下沿（严格 > / <）。