- Service worker: versioned cache name, navigation preload, stale-while-revalidate for images
- New PWAModule extracted from MiscModule with async registration and update detection
- SW update notification toast in Hugo template with i18n support (16 languages)
- Web app manifest template (site.webmanifest) generated from [params.app] config
- [params.app] keys migrated to snake_case: name, short_name, pwa, no_favicon, svg_favicon, mask_color, tile_color, theme_color
- enablePWA moved from [params] to [params.app].pwa
- theme_color no longer accepts single-value, only {light, dark} map
- EventBus: new fixit:sw-update event
- SCSS: new _sw-toast.scss widget for update notification
- Replace legacy service-worker.js (imported from DoIt) with a clean
rewrite using Hugo's ExecuteAsTemplate for fingerprinted URL injection
- Cache-first for static assets (immutable/fingerprinted), network-first
for HTML pages with LRU eviction (max 100 entries)
- Fix LRU eviction to protect precached URLs using absolute URL comparison
- Add Fingerprint param to js-build.html partial to reduce boilerplate
- Extract to-css.html partial for reusable SCSS-to-CSS pipeline
- Support pre-built Resource param in script.html and style.html
- Store mainCSS and mainJS in Site.Store to avoid duplicate builds
- Remove explicit scope from serviceWorker.register() (defaults to /)
Closes#298
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