docs: fix outdated function reference in subscribers comment

docs: restore dropped architecture-page link from privacy policy

docs: restore dropped architecture-page link from privacy policy

docs: fix stale popup bundle size in TODO.md

docs: fix outdated function reference in subscribers comment

docs: clarify confusing step numbering in release instructions

fix: correct blamed page in verify-dist architecture check

docs: fix typo in aturi GitHub organization URL

test: cover session-store's mirror/clear/expire distinction

docs: describe reinjection and the detection queue in the README

Add confirmed readers, handle-based at-uri support, infra, README