- Add chain integrity verification system for document signatures
- Implement VerifyDocumentChainIntegrity method in AdminRepository
- Add ChainIntegrityResult struct to track validation status
- Display chain integrity status in admin document details page
- Add API endpoint for programmatic chain integrity checks
- Add admin access link in main interface for authorized users
- Update templates to show integrity verification results
- Add admin configuration to docker-compose environment
- Move templates from webtemplates/templates/ to templates/
- Replace embedded filesystem with filesystem-based template loading
- Add ACKIFY_TEMPLATES_DIR environment variable for custom template paths
- Update Dockerfile to copy templates and set default template directory
- Improve template resolution with fallback paths for development
- Remove webtemplates package and embedded filesystem dependencies
- Update BUILD.md documentation for template configuration