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thePR0M3TH3ANandClaude Opus 4.8
c20938b4aa
Verified first that event caching needs nothing: allEvents (incl. ingested NIP-71) already persists to IndexedDB and every grid renders cache-first + merge-new. The real gap was MEDIA: thumbnails/avatars/banners re-downloaded across visits. Part 1 — Cache-Control on uploads (js/storage/s3-multipart.js): computeCacheControl already stamped most media immutable but missed webp/avif/ico and .torrent files (which fell to the 1h default). Added them — safe because buildR2Key namespaces keys by infohash (content-addressed, a key's bytes never change). Playlists (m3u8/mpd) stay short-lived (live manifests mutate in place). Exported for tests. Part 2 — service-worker image cache (sw.min.js): Cross-origin images (the hosts bitvid does NOT control headers for) are now served stale-while-revalidate from a versioned Cache-API cache (bitvid-images-v1): - instant on revisit; background refresh self-heals changed images (and where part 1's immutable headers apply, that refresh is served by the HTTP cache — free) - opaque (no-cors) responses cached — exactly the external-thumbnail case - LRU-capped (300); quota failures drop the cache and fail open; every handler error falls back to plain fetch so a caching bug can never break images - the activate handler's wipe-all now PRESERVES the current image cache (old versions + other caches still wiped); same-origin assets untouched (they ride the host HTTP cache + dist cache-purge pipeline) - app._initServiceWorker registers the SW at boot when none exists, same path/scope/options as webtorrent.js's setupServiceWorker so playback's later register() resolves to the same registration (playback path untouched) - SW_VERSION bumped Tests: storage-cache-control (3, exported policy) + sw-image-cache (6 — evaluates the REAL sw.min.js in a VM sandbox and drives its handlers: cold/warm/offline/ opaque flows, same-origin + non-image non-interception, activate preserves the image cache). Lint + build green. Co-Authored-By: Claude Opus 4.8 <[email protected]>