- Add per-item sound keys to `SmashItemManager` and `BonusItemManager`, playing a dedicated clip on smash/collection (load-tolerant via `cache.audio.exists`)
- Preload new FX clips: `smash-{tv,chair,cone}` and `bonus-{cash,ctc,guitar}`
- Rebuild level07 terrain/layout with updated items, bonus placements, goal, and camera bounds
- Move level01 item positions to match new layout
- Update smash-items sprite sheet (PNG/PSD)
- New SmashItemManager entity that spawns items from level data, detects bus contact, swaps to smashed frame, and applies up-and-forward impulse with tumble
- Add `SMASH_ITEM` config block for launch speed/angle/spin, density, friction, restitution, and float height
- Extend asset manifest and spritesheet (6 frames: intact/smashed TV, chair, cone)
- Level editor gains "Smashables" section to place/delete items via click on preview map; exports `items` array in level data
- Level editor can now import bundled or file-based levels, preserving exact terrain while locking section editing; metadata and items remain editable for re-export
- Score scene reveals smashed item count as a bonus line (+50 each) between kids and time tally
- PlayScene wires SmashItemManager lifecycle and passes smashedCount to score scene
- README documents smashables feature, editor workflow, and import behavior
Brian Fertig