- Replace unsafe direct cast in HoldableItem._try_return_to_chest() with guarded as-cast
- Type set_chest_state() parameter as Array[String] to match RoomChest._get_spawned_ids()
- Add else-branch in apply_save_data() to reset _object_states when key absent
- Rename test_save_data_has_version_two to test_save_data_has_version_three
- HoldableItem._try_return_to_chest() snaps item back if within CHEST_RETURN_RADIUS (80px)
- _on_drag_released checks chest return before hand-slot fallback
- OutfitItem._on_drag_released checks chest return before outfit/hand-slot logic
- GameState: _chest_states dict + get/set/clear_chest_state methods
- GameState.get_save_data() bumped to version 3, includes chest_states
- GameState.apply_save_data() restores chest_states from save data
- Add held_left/held_right fields to CharacterData
- Add get/set_character_outfit and get/set_character_held_item to GameState
- get_save_data now returns version:2 with character_outfits and character_held_items
- apply_save_data resets both dicts when keys absent (empty-dict reset safe)
- 11 new tests in test_game_state.gd — 147/147 passing