SESSIONPROOF

Evidence-linked music credits before release.

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Inspiration

Music credits often live across chats, spreadsheets, emails, invoices, and memory. Independent creators need a reliable way to resolve contributor credits before release without asking AI to decide ownership or invent missing splits.

What it does

SESSIONPROOF turns submitted records into an evidence-linked review pack. It preserves exact source fragments, proposes only supported contributor claims, applies deterministic conflict rules, asks focused human questions, records workflow acknowledgements, and exports JSON, CSV, Markdown, and PDF review artifacts.

The public GLASS CITY walkthrough uses seven fictional sources. It produces 25 supported claims, finds 12 unresolved conflicts—including a 110% composition total—and correctly reports readiness as 18/100: BLOCKED.

How we built it

The application uses Next.js, React, TypeScript, Zod, pdf-lib, Vitest, and Playwright. Production-shaped adapters and deployment configuration exist for the Google Gen AI SDK, Vertex AI Gemini, Cloud Run, Firestore, private Cloud Storage, Secret Manager, and redacted Cloud Logging.

Gemini is bounded to structured extraction and question drafting. Deterministic code owns split totals, duplicate detection, readiness scoring, and export validation. Humans retain identity merging, final values, outreach, legal review, and release approval.

Challenges and learnings

The hardest part was keeping source evidence, AI candidates, deterministic rules, and human decisions separate. Every supported claim must retain its file, line or row, exact quote, hash, confidence, and rule version. Missing evidence remains missing instead of being filled by the model.

Current evidence boundary

This submission is an honest local-fixture milestone. Fixture mode makes 0 Gemini calls. Live Google Cloud deployment, deployed Gemini usage, production authentication, real users, paid customers, and revenue are not yet verified. No copyrighted music, real artist files, private customer data, or fabricated metrics are included.

What's next

The next evidence-backed milestone is a no-cost or sponsored Google Cloud deployment, followed by consented creator pilots, production isolation/deletion tests, and arms-length business evidence.

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