fix: sync live TP/SL to position cards after entrust changes

Use exchange TP/SL for display and DB sync on price_snapshot polls, refresh instance UI cells on each tick, and merge live values into hub monitor board.

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

tests/test_order_monitor_display_lib.py

@@ -1,5 +1,8 @@
 from order_monitor_display_lib import (
+    apply_order_price_display_fields,
     is_sl_breakeven_secured,
+    order_monitor_tpsl_needs_sync,
+    resolve_live_tpsl_prices,
     sl_breakeven_from_exchange_tpsl,
     snapshot_rr,
     snapshot_stop_loss,
@@ -48,3 +51,46 @@ def test_sl_breakeven_from_exchange_tpsl():
         {"sl": {"trigger_price": 2.735}, "tp": {"trigger_price": 3.3}},
     )
     assert ok is True
+
+
+def test_resolve_live_tpsl_prefers_exchange():
+    disp_sl, disp_tp, ex_sl, ex_tp = resolve_live_tpsl_prices(
+        1674,
+        1647.65,
+        {"sl": {"trigger_price": 1661}, "tp": {"trigger_price": 1647.65}},
+    )
+    assert disp_sl == 1661
+    assert disp_tp == 1647.65
+    assert ex_sl == 1661
+    assert ex_tp == 1647.65
+
+
+def test_order_monitor_tpsl_needs_sync_detects_sl_change():
+    new_sl, new_tp, changed = order_monitor_tpsl_needs_sync(
+        1674,
+        1647.65,
+        {"sl": {"trigger_price": 1661}, "tp": {"trigger_price": 1647.65}},
+    )
+    assert changed is True
+    assert new_sl == 1661
+    assert new_tp == 1647.65
+
+
+def test_apply_order_price_display_fields_live_sl():
+    payload = {}
+    apply_order_price_display_fields(
+        payload,
+        direction="short",
+        entry_price=1663.45,
+        initial_stop_loss=1674,
+        stop_loss=1674,
+        take_profit=1647.65,
+        calc_rr_ratio_fn=_calc_rr,
+        exchange_tpsl={"sl": {"trigger_price": 1661}, "tp": {"trigger_price": 1647.65}},
+        format_price_fn=lambda _s, v: f"{v:.2f}",
+        symbol="ETH/USDT:USDT",
+    )
+    assert payload["stop_loss"] == 1661
+    assert payload["stop_loss_display"] == "1661.00"
+    assert payload["sl_breakeven_secured"] is True
+    assert payload["rr_ratio"] is not None