Add non-regression test states and Bluetooth diagnostic script

- Introduced a new JSON file containing non-regression test states with detailed unit information, including positions, ages, and movement directions across multiple frames.
- Added a shell script for Bluetooth diagnostics that checks system information, Bluetooth binaries, running processes, D-Bus status, Bluetooth controller details, and audio stack status, providing a comprehensive overview for troubleshooting.

units/mine.py

@@ -23,7 +23,7 @@ class Mine(Unit):
         )
         
         for victim_id in victim_ids:
-            rat_unit = self.game.get_unit_by_id(victim_id)
+            rat_unit = self.game.unit_manager.get_unit_by_id(victim_id)
             if rat_unit and hasattr(rat_unit, 'sex'):  # Check if it's a rat
                 # Mine explodes and kills the rat
                 self.explode(rat_unit)
@@ -49,7 +49,7 @@ class Mine(Unit):
             return
             
         # Use mine asset
-        image = self.game.assets["BMP_POISON"]
+        image = self.game.graphics.assets["BMP_POISON"]
         image_size = self.game.render_engine.get_image_size(image)
         
         # Center the mine in the cell