0. Fixed an issue where purchasing an extra carriage deducted Oxygen Coins but failed to increase the train's length.

1. Fixed an issue where placing an item could cause the current item to disappear or shift the positions of other items.

2. Fixed an issue where placing items into a chest could result in item duplication.

3. Fixed an issue where the Arc Blast Furnace would frequently stop running and become unusable despite the battery having power.

4. Fixed an issue where placing a front shovel would sometimes fail, or resources would be deducted without the item actually being placed.

5. Fixed an issue where a chest might trigger a "cannot dismantle" prompt even when empty.

6. Fixed an issue where bears could attack the train or players despite a difference in elevation.

7. Fixed an animation desync issue where bears could deal damage without actually swiping their claws.