Brendan Chen 9fefe5c65d Add HTTP range request support for video streaming ...

Safari and other browsers require Accept-Ranges: bytes and 206 Partial
Content responses to play video. Without this, large videos fail to load
(especially in Safari) because the entire file had to buffer in memory
before sending.

- Replace readFile + Buffer with createReadStream for efficient streaming
- Parse Range header (start-end, start-, and suffix -N forms)
- Return 206 Partial Content with Content-Range for range requests
- Return 416 Range Not Satisfiable for out-of-bounds ranges
- Add Accept-Ranges: bytes to all raw file responses

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-03-16 16:12:21 -07:00

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