feat: add highest single loot tracking to HUD

- Add highest_loot field to HUDStats
- Display 🏆 Best: X.XX in loot summary section
- Track highest loot value in update_loot()
- Add to to_dict for persistence
- Gold color with trophy emoji for visibility

ui/hud_overlay_clean.py

@@ -112,6 +112,9 @@ class HUDStats:
     shrapnel_total: Decimal = Decimal('0.0')
     loot_other: Decimal = Decimal('0.0')  # Non-shrapnel loot
     
+    # Session records
+    highest_loot: Decimal = Decimal('0.0')  # Highest single loot
+    
     # Cost metrics (core)
     cost_per_shot: Decimal = Decimal('0.0')
     cost_per_hit: Decimal = Decimal('0.0')
@@ -150,6 +153,7 @@ class HUDStats:
             'damage_taken': str(self.damage_taken),
             'shrapnel_total': str(self.shrapnel_total),
             'loot_other': str(self.loot_other),
+            'highest_loot': str(self.highest_loot),
             'cost_per_shot': str(self.cost_per_shot),
             'cost_per_hit': str(self.cost_per_hit),
             'cost_per_heal': str(self.cost_per_heal),
@@ -459,6 +463,14 @@ class HUDOverlay(QWidget):
             
             summary_layout.addLayout(loot_layout)
             
+            # Highest loot row
+            highest_layout = QHBoxLayout()
+            self.highest_loot_label = QLabel("🏆 Best: 0.00")
+            self.highest_loot_label.setStyleSheet("font-size: 11px; color: #FFD700; font-weight: bold;")
+            highest_layout.addWidget(self.highest_loot_label)
+            highest_layout.addStretch()
+            summary_layout.addLayout(highest_layout)
+            
             layout.addWidget(summary_frame)
 
         # === COST METRICS (if enabled) ===
@@ -585,7 +597,7 @@ class HUDOverlay(QWidget):
         if self.hud_config.show_profit_loss or self.hud_config.show_return_pct:
             height += 40
         if self.hud_config.show_total_cost:
-            height += 50  # Two rows now: cost + loot breakdown
+            height += 70  # Three rows now: cost + loot breakdown + highest
         if self.hud_config.show_cost_metrics:
             height += 30
         if self.hud_config.show_cost_breakdown:
@@ -724,11 +736,12 @@ class HUDOverlay(QWidget):
             except RuntimeError:
                 pass
 
-        # Total Cost + Loot breakdown
+        # Total Cost + Loot breakdown + Highest
         self._safe_set_text('total_cost_label', f"Cost: {self._stats.cost_total:.2f}")
         self._safe_set_text('total_loot_label', f"Total: {self._stats.loot_total:.2f}")
         self._safe_set_text('shrapnel_value_label', f"💎 {self._stats.shrapnel_total:.2f}")
         self._safe_set_text('regular_loot_label', f"📦 {self._stats.loot_other:.2f}")
+        self._safe_set_text('highest_loot_label', f"🏆 Best: {self._stats.highest_loot:.2f}")
 
         # Cost metrics
         self._safe_set_text('cps_label', f"Shot: {self._stats.cost_per_shot:.4f}")
@@ -765,6 +778,9 @@ class HUDOverlay(QWidget):
                 self._stats.shrapnel_total += value_ped
             else:
                 self._stats.loot_other += value_ped
+            # Track highest single loot
+            if value_ped > self._stats.highest_loot:
+                self._stats.highest_loot = value_ped
             self._stats.recalculate()
             self._refresh_display()