Migrated app.js and components.js to TypeScript. Extracted inline scripts from base.html to cardHover.ts and cardImages.ts modules for better maintainability and code reuse.
document deck summary DFC badges, exporter annotations, and per-face metadata across README/DOCKER/release notes
record completion of all MDFC roadmap follow-ups and add the authoring guide for multi-face CSV entries
wire in optional DFC_PER_FACE_SNAPSHOT env support, exporter regression tests, and diagnostics updates noted in the changelog
