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Delete 17 tracked *.tmp editor autosaves and three verified-unreferenced orphans (Assets/bear_level.tscn, Assets/matador_2.tscn, matador_2.gd), and gitignore *.tmp so they never return. The real Assets/bear_level_arena.glb is kept — it still backs levels/bear_level.tscn. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01CmG3mQGVXZUPDVapmdbWZ1