andros 15eb8acbd0 Network performance: ETag caching, partial Range fetches, progressive timeline streaming ...

- FeedCache actor: conditional GET with ETag/Last-Modified, returns 304 hits from cache
- PartialFeedFetcher: Range requests for header-only Discover fetches and date-filtered timeline fetches (2 requests instead of 3 per feed)
- TimelineFetcher: AsyncStream-based streaming emits posts as each feed arrives instead of waiting for all feeds
- TimelineViewModel: consumes stream progressively so posts appear immediately on first feed
- Discover uses header-only fetch (16 KB vs full file)
- maxConcurrentDownloads raised from 10 to 20

2026-05-16 10:12:41 +02:00

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OrgSocialApp.xcscheme

Network performance: ETag caching, partial Range fetches, progressive timeline streaming

2026-05-16 10:12:41 +02:00