# DoodleByte

- **Event:** [Meta Global AI Developer Hackathon](https://cerebralvalley.ai/e/meta-ai-developer-hackathon)
- **When:** Oct 26, 12:00 PM – Nov 4, 9:00 PM (EST)
- **Where:** Online
- **Team:** [Gowtham k](https://cerebralvalley.ai/u/gowtham472)
- **GitHub:** https://github.com/gowtham472/handoffproof
- **Demo video:** https://youtu.be/LIAsrzvvelM
- **Gallery:** https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery
- **Page:** https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery/1388

HandoffProof is a “developer-exit rehearsal” tool. In small teams, one developer often holds the knowledge that keeps an app running: where the credentials live, which config values matter, whether the backups actually restore. When that person leaves, teams find the gaps too late.

HandoffProof rehearses that day in advance. A Go controller runs fault drills in a Docker sandbox (a withdrawn test token, missing configuration, an incomplete backup), checks real user workflows, and records every result as evidence. Meta’s models then map the app’s dependencies, diagnose failures from that evidence, and propose repairs, which the controller applies in a throwaway copy and re-tests.

One rule is never broken: the model proposes, the controller decides. A model can never mark something as passed or edit the tests.

I also built an Exit Interview Verifier. It turns a recorded handover call into claims and checks each one against drill evidence. Teams that can’t send source code to an API can use a private mode with a local Muse Glimmer endpoint. Everything is shown in a Control Room console and a shareable evidence report.

## More from Meta Global AI Developer Hackathon

- [meshcode.ai](https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery/1385)
- [AirLens Agent](https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery/1386)
- [ORIGENIX](https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery/1387)
- [Inference Exchange](https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery/1389)
- [shaik](https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery/1390)
- [Parallax](https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery/1391)

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Markdown version of https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery/1388. Site index for agents: https://cerebralvalley.ai/llms.txt · full text: https://cerebralvalley.ai/llms-full.txt