Enhance NPC encounter tracking and logging in GamesController

- Added logging for the number of NPCs in a room when loading it, improving visibility into game state.
- Ensured NPC encounters are tracked when unlocking doors, even when using cached room data, to maintain accurate encounter statistics.

app/controllers/break_escape/games_controller.rb

@@ -208,6 +208,8 @@ module BreakEscape
         return render_error("Room not found: #{room_id}", :not_found) unless room_data
 
         # Track NPC encounters BEFORE sending response
+        npc_count = room_data['npcs']&.length || 0
+        Rails.logger.info "[BreakEscape] 📦 Loading room: #{room_id} (NPCs: #{npc_count})"
         track_npc_encounters(room_id, room_data)
 
         Rails.logger.debug "[BreakEscape] Serving room data for: #{room_id}"
@@ -340,6 +342,10 @@ module BreakEscape
 
           room_data = @game.filtered_room_data(target_id)
 
+          # Track NPC encounters when unlocking a door (room data is cached by client)
+          # This ensures NPCs are tracked even if loadRoom() uses cached data
+          track_npc_encounters(target_id, room_data)
+
           render json: {
             success: true,
             type: 'door',