Incorporate September 15 video on practice after the honeymoon
Survey both channel tabs: exactly one new recording, bringing the complete research corpus to 380 and the reviewed source library to 165. Archive its captions, distill the talk, update the framework and four relevant principles, and add original maximum-quality artwork with responsive encodings.
Refresh coverage, pagination fixtures and current documentation. Verify all tests, transcript provenance, source links and the complete library art atlas.
