feat(hud): add shots fired counter and fix kill tracking

- Add shots_fired counter to HUDStats
- Display SHOTS in HUD next to DAMAGE DEALT/TAKEN
- Track 1 shot per damage event
- Fix kills: count when non-Shrapnel loot is received
- Shrapnel excluded from kill count (every mob drops it)

ui/hud_overlay.py

@@ -61,6 +61,7 @@ class HUDStats:
     # Combat stats
     damage_dealt: int = 0
     damage_taken: int = 0
+    shots_fired: int = 0  # NEW: Track shots fired
     kills: int = 0
     globals_count: int = 0
     hofs_count: int = 0
@@ -80,6 +81,7 @@ class HUDStats:
             'profit_loss': str(self.profit_loss),
             'damage_dealt': self.damage_dealt,
             'damage_taken': self.damage_taken,
+            'shots_fired': self.shots_fired,
             'kills': self.kills,
             'globals_count': self.globals_count,
             'hofs_count': self.hofs_count,
@@ -99,6 +101,7 @@ class HUDStats:
             profit_loss=Decimal(data.get('profit_loss', '0.0')),
             damage_dealt=data.get('damage_dealt', 0),
             damage_taken=data.get('damage_taken', 0),
+            shots_fired=data.get('shots_fired', 0),
             kills=data.get('kills', 0),
             globals_count=data.get('globals_count', 0),
             hofs_count=data.get('hofs_count', 0),
@@ -358,9 +361,22 @@ class HUDOverlay(QWidget):
         
         layout.addLayout(row1)
         
-        # Row 2: Damage
+        # Row 2: Shots, Damage Dealt, Damage Taken
         row2 = QHBoxLayout()
         
+        # Shots Fired
+        shots_layout = QVBoxLayout()
+        shots_label = QLabel("🔫 SHOTS")
+        shots_label.setStyleSheet("font-size: 10px; color: #888888;")
+        shots_layout.addWidget(shots_label)
+        
+        self.shots_value_label = QLabel("0")
+        self.shots_value_label.setStyleSheet("font-size: 13px; font-weight: bold; color: #FFD700;")
+        shots_layout.addWidget(self.shots_value_label)
+        
+        row2.addLayout(shots_layout)
+        row2.addStretch()
+        
         # Damage Dealt
         dealt_layout = QVBoxLayout()
         dealt_label = QLabel("⚔️ DEALT")
@@ -856,6 +872,12 @@ class HUDOverlay(QWidget):
         elif 'damage_taken_add' in stats:
             self._stats.damage_taken += int(stats['damage_taken_add'])
         
+        # Shots fired
+        if 'shots_fired' in stats:
+            self._stats.shots_fired = int(stats['shots_fired'])
+        elif 'shots_add' in stats:
+            self._stats.shots_fired += int(stats['shots_add'])
+        
         # Kills
         if 'kills' in stats:
             self._stats.kills = int(stats['kills'])
@@ -914,6 +936,9 @@ class HUDOverlay(QWidget):
             f"{self._stats.globals_count} / {self._stats.hofs_count}"
         )
         
+        # Shots Fired
+        self.shots_value_label.setText(str(self._stats.shots_fired))
+        
         # Damage
         self.dealt_value_label.setText(str(self._stats.damage_dealt))
         self.taken_value_label.setText(str(self._stats.damage_taken))

ui/main_window.py

@@ -958,6 +958,11 @@ class MainWindow(QMainWindow):
             if item_name == 'Universal Ammo':
                 return
             
+            # Count kills (excluding Shrapnel which is from every mob)
+            # Real loot items indicate a kill
+            if item_name != 'Shrapnel':
+                self.hud.update_stats({'kills_add': 1})
+            
             # Queue database write for main thread (SQLite thread safety)
             if self._current_db_session_id:
                 self._event_queue.put({
@@ -1002,10 +1007,13 @@ class MainWindow(QMainWindow):
             self.log_info("Skill", f"{skill_name} +{gained}")
         
         def on_damage_dealt(event):
-            """Handle damage dealt - also track weapon cost."""
+            """Handle damage dealt - also track weapon cost and shots fired."""
             damage = event.data.get('damage', 0)
             self.hud.on_damage_dealt(float(damage))
             
+            # Track shots fired (1 shot per damage event)
+            self.hud.update_stats({'shots_add': 1})
+            
             # Track weapon decay cost per shot
             # Only count as one shot fired per damage event
             if self._selected_weapon_stats: