fix: 交易安全审计修复 — 补偿平仓、中控同步、滚仓/趋势防护

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

lib/key_monitor/trigger_entry_key_monitor_lib.py

@@ -37,6 +37,34 @@ KEY_ENTRY_REASON_CALLBACK = "关键位回调触价开仓"
 KEY_ENTRY_REASON_BREAKOUT = "关键位突破触价开仓"
 KEY_ENTRY_REASON_TRIGGER_LEGACY = "关键位触价开仓"
 
+TRIGGER_ENTRY_IN_FLIGHT_OID = "__trigger_entry_in_flight__"
+
+
+def is_trigger_entry_in_flight_row(row: Any) -> bool:
+    if row is None:
+        return False
+    try:
+        v = row["fib_limit_order_id"]
+    except (KeyError, IndexError, TypeError):
+        v = getattr(row, "fib_limit_order_id", None)
+    return (v or "").strip() == TRIGGER_ENTRY_IN_FLIGHT_OID
+
+
+def acquire_trigger_entry_exec_lock(conn: Any, monitor_id: int) -> bool:
+    cur = conn.execute(
+        "UPDATE key_monitors SET fib_limit_order_id=? WHERE id=? "
+        "AND (fib_limit_order_id IS NULL OR fib_limit_order_id='')",
+        (TRIGGER_ENTRY_IN_FLIGHT_OID, int(monitor_id)),
+    )
+    return int(cur.rowcount or 0) == 1
+
+
+def release_trigger_entry_exec_lock(conn: Any, monitor_id: int) -> None:
+    conn.execute(
+        "UPDATE key_monitors SET fib_limit_order_id=NULL WHERE id=? AND fib_limit_order_id=?",
+        (int(monitor_id), TRIGGER_ENTRY_IN_FLIGHT_OID),
+    )
+
 
 def normalize_trigger_entry_monitor_type(monitor_type: Optional[str]) -> str:
     mt = (monitor_type or "").strip()