Add format_transfer_rate() to convert mdstat rates (e.g., 133628K/sec) into readable values like "130.5 MB/s" using 1024-based units. Add format_remaining_time() to convert mdstat durations (e.g., 450.1min) into compact German format like "7 Std. 30 Min." with day/hour/minute components. Update raid_status() to parse member devices directly from array_line in /proc/mdstat to avoid cross
Add manifest.json with app metadata, theme colors, and icon configuration for installable PWA. Add service worker (sw.js) with shell caching strategy for offline support - caches static assets on install, cleans old caches on activate, and implements network-first fetch with cache fallback for non-API requests.
Update index.html with PWA meta tags (theme-color, mobile
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