Pasting the file verbatim was a no-op because the knobs shipped at 1.0, so every run reported KNOBS ...=1 and changed nothing. Default to HUD_SCALE=0.85 and WORLD_SCALE=0.8 so copying the file straight from the editor actually exercises the fix. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>