docs: record ReadonlyView 2.0 release evidence

[Cylop]

Summary

• Replace the pre-release readiness status with the verified STABLE READY and released outcome.
• Record npm integrity and SLSA provenance, the SHA-targeted GitHub release, green post-release browser/Node CI, and the production Vercel deployment.
• Replace completed launch prerequisites with public evidence links and deliberately unclaimed future compatibility scope.
• Refresh GitHub About metadata separately: production homepage, current product description, and focused topics without state-management.

Verification

• npm run release:check
• npm run format:check
• npm test — 77/77 passed across 21 files
• Public npm metadata, latest dist-tag, and attestation URL verified
• Clean installed consumer import verified
• Production home, legal, robots, and sitemap routes verified over HTTPS
• GitHub release target and repository metadata verified
• No new runtime dependency
• No breaking changes

Membrane review

• Documentation-only repository change; membrane behavior is unchanged
• Source data is not modified
• Identity, liveness, and proxy invariants remain unchanged

[vercel]

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Project	Deployment	Actions	Updated
readonly-view	Building	Preview	Sep 4, 2026 7:31am UTC