- Exercise number (UF#): optional field on exercises, displayed in cards, training, and sets
- Import training plan numbers via migration 005 (UPDATE by name)
- Exercise images: JPG upload with multi-image support per exercise (migration 006)
- Version endpoint (GET /api/v1/version) with ldflags injection in Makefile and Dockerfile
- Version displayed on settings page
- Session resume: GET /api/v1/sessions/active endpoint, auto-resume on training page load
- Block new session while one is active (409 Conflict)
- e1RM sparkline chart per exercise during training (Epley formula)
- Fix CORS: add X-User-ID to allowed headers
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Makes the database directly accessible on the host filesystem instead
of an opaque Docker volume.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
