fix: align unrealized PnL across four exchange instances via hub_position_metrics

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

crypto_monitor_okx/app.py

@@ -2781,6 +2781,17 @@ def parse_ccxt_position_metrics(position, order_leverage=None):
         out["unrealized_pnl"] = round(unrealized, FUNDS_DECIMALS)
     if mark is not None and mark > 0:
         out["mark_price"] = round(mark, 8)
+    if out:
+        sym = (p.get("symbol") or "").strip()
+        try:
+            cs = float(get_contract_size(sym)) if sym else 1.0
+        except Exception:
+            cs = 1.0
+        from hub_position_metrics import enrich_ccxt_position_metrics_out
+
+        enrich_ccxt_position_metrics_out(
+            p, out, contract_size=cs, funds_decimals=FUNDS_DECIMALS
+        )
     return out or None