fix: OKX 持仓张数优先读 info.pos，滚仓后同步 order_amount

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

crypto_monitor_okx/app.py

@@ -2817,18 +2817,20 @@ def exchange_private_api_configured():
 
 
 def _position_row_effective_contracts(p):
-    info = p.get("info", {}) or {}
-    contracts = p.get("contracts")
-    if contracts is None:
-        raw_pos = info.get("pos")
-        try:
-            contracts = abs(float(raw_pos)) if raw_pos is not None else 0.0
-        except Exception:
-            contracts = 0.0
-    try:
-        return float(contracts)
-    except Exception:
+    """张数：OKX 以 info.pos 为准，再兜底 ccxt contracts 等（与 Binance/Gate 多字段一致）。"""
+    if not p:
         return 0.0
+    info = p.get("info", {}) or {}
+    for val in (info.get("pos"), p.get("contracts"), info.get("positionAmt"), info.get("size")):
+        if val is None or val == "":
+            continue
+        try:
+            x = abs(float(val))
+            if x > 0:
+                return x
+        except (TypeError, ValueError):
+            continue
+    return 0.0
 
 
 def _position_matches_wanted_contract(exchange_symbol, position):
@@ -6685,7 +6687,7 @@ def api_price_snapshot():
         "SELECT id,symbol,monitor_type,direction,upper,lower,fib_entry_price,fib_stop_loss,fib_take_profit,fib_limit_order_id,created_at FROM key_monitors"
     ).fetchall()
     order_rows = conn.execute(
-        "SELECT id,symbol,exchange_symbol,direction,trigger_price,stop_loss,initial_stop_loss,take_profit,margin_capital,leverage,"
+        "SELECT id,symbol,exchange_symbol,direction,trigger_price,stop_loss,initial_stop_loss,take_profit,margin_capital,leverage,order_amount,"
         "time_close_enabled,time_close_hours,time_close_at_ms,opened_at_ms FROM order_monitors WHERE status='active'"
     ).fetchall()
 
@@ -6878,6 +6880,7 @@ def api_price_snapshot():
             "float_pnl": round(pnl, 2),
             "float_pct": pnl_pct,
             "plan_margin": round(margin, 2) if margin else None,
+            "order_amount": float(r["order_amount"]) if r["order_amount"] not in (None, "") else None,
             "exchange_initial_margin": None,
             "exchange_notional": None,
             "exchange_mark_price": None,