Correct upstream license attribution

[ael-dev3]

Summary

• classify the adapted Snapchain analytics schema under the pinned upstream GPL-3.0-only terms
• add the exact Apache-2.0 license and NOTICE attribution for Warpkeep-derived Mini App code
• mark modified source/test files and include the attribution in the served production license notice
• fail the production bundle verifier if the pinned license, source, or NOTICE becomes stale

Validation

• exact upstream Warpkeep license and NOTICE comparison
• dashboard build and signed Mini App verifier
• 22 UI tests and TypeScript
• ESLint, documentation links, publication safety, production dependency audit, and diff check