Manifest fixes:
- Updated all icon references from .png to .svg files
- Changed MIME types from image/png to image/svg+xml
- Removed missing screenshots section
- Fixed HTML favicon references to use SVG files
New reference linter (lint-references.py):
- Validates all file references in HTML and manifest files
- Checks that referenced files actually exist
- Prevents broken links and missing assets
- Integrated into justfile as 'validate-references'
- Added to check-all command for comprehensive validation
Justfile enhancements:
- Added validate-references command
- Updated check-all to include reference validation
- Enhanced validate command with reference checking
Documentation updates:
- Updated CLAUDE.md with reference validation info
- Added file reference checking to code quality standards
This prevents issues where manifest/HTML reference non-existent files,
improving PWA reliability and catching asset mismatches early.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
