I'll build a 3D racing game. Let me read the relevant skills first and start generating assets in parallel.3D model failed - I'll build the car from primitives in Three.js instead. Audio is ready. Now writing the game files.The sandbox is in an error state preventing file writes. Let me retry after a brief moment.The sandbox is down — file writes and shell commands are all returning "Sandbox is not running". I have the audio assets generated (engine.mp3, screech.mp3, crash.mp3, music.mp3) and the full game code ready, but I can't write the `index.html` and `playscape.json` files until the sandbox comes back up.

Could you retry or restart the sandbox? Once it's back I'll drop in the two files immediately — a synthwave-styled Three.js racer with an oval neon circuit, low-poly chase-cam car, boost particles, lap timer, and full Playscape SDK integration (driving preset for mobile + WASD/Shift on desktop).

Looks like the sandbox took a pit stop before I could.