- Add synchronous config API call in index.html when localStorage cache is empty
- Prevents favicon flash on login page during first load
- Enhance getCachedConfigs() to fetch public configs as fallback
- Preserve existing siteConfig values when config keys are missing
- Add file upload support for logo and favicon with automatic PNG conversion
- Add backend validation for brand asset data URLs (app_logo, app_favicon)
- Change vite_config.value column type from varchar(200) to text for PostgreSQL
- Add schema migration v3 for vite_config.value column type conversion
- Update frontend to use file picker instead of manual URL input
- Add early favicon application in index.html to prevent flash
sagitchu