Addresses #10

Summary

• add repository-api-export-contract, a focused repository/version-control slice for issue #10
• define deterministic repository export contracts, integrity roots, bundle manifests, API route metadata, and CLI workflow hints
• include sample project data, requirement map, SVG walkthrough, and short MP4 demo

Validation

Fresh validation on 2026-05-17 21:00 PDT:

• npm test -> repository-api-export-contract tests passed
• npm run demo -> repository neuro-lab/sleep-spindle-atlas, ready true, integrity root sha256:e7252c7d2d5405828a9d4524be1f03a602285feb5ba5dca3efd521e49a1918a5, bundle hash sha256:cfa0be77fc590c26909e42fd2cca3940f0edbf4b28a9c91bc3c0773c555c818c, 13 bundle entries
• npm run demo:video
• file docs/demo.mp4 -> ISO Media, MP4 v2 [ISO 14496-14]
• git diff --check
• focused sensitive-string scan for API keys, secrets, tokens, passwords, private keys, wallet material, and EVM addresses

/claim #10