Fix: run survival check once before order loop, not per order

grid.py

@@ -292,6 +292,23 @@ class GridManager:
             f"{[f'${p:.2f}' for p in missing]}"
         )
 
+        # Run survival check ONCE before placing any orders.
+        # No need to repeat for each order — the grid doesn't change
+        # between placements in the same loop.
+        full_sim = calc._simulate_grid(
+            s.highest_open_price, spacing_pct, s.gbpusd, s.all_levels()
+        )
+        survival = calc.survival_check(
+            s.equity, s.highest_open_price, full_sim, s.gbpusd,
+            override_pct=60.0
+        )
+        if not survival["safe"]:
+            log.warning(
+                f"Survival check failed — no orders placed. "
+                f"Margin at floor: {survival['margin_level_at_floor_pct']:.1f}%"
+            )
+            return
+
         for target_price in missing:
             # Safety: never place at or above current price
             if target_price >= s.current_price:
@@ -308,24 +325,6 @@ class GridManager:
                 log.info(f"Skipping ${target_price:.2f} — at/above no-TP position.")
                 continue
 
-            # Survival check — simulate FULL grid at 60% drop
-            # (not just current orders — honest worst case)
-            full_sim = calc._simulate_grid(
-                s.highest_open_price, spacing_pct, s.gbpusd,
-                s.all_levels()
-            )
-            survival = calc.survival_check(
-                s.equity, s.highest_open_price,
-                full_sim, s.gbpusd,
-                override_pct=60.0
-            )
-            if not survival["safe"]:
-                log.warning(
-                    f"Survival check failed — stopping. "
-                    f"Margin at floor: {survival['margin_level_at_floor_pct']:.1f}%"
-                )
-                break
-
             size     = calc.get_size(target_price, s.highest_open_price)
             tp_price = calc.get_tp_price(target_price, size, s.gbpusd)