Implements full session recording with rrweb for DOM capture and rrweb-player for playback. Includes: Prisma schema for SessionRecording model, chunked gzip-compressed storage, recorder script built via Rollup, collection API endpoint, recordings list/playback UI pages, website recording settings, and cascade delete support. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>