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The 50MB cap on file-raw, the attachment /raw route and /api/download was memory protection for a `readFile()` that no longer exists: file-raw and /raw were rewritten to stream through `sendFileBody()` and answer Range requests, so size costs a read stream rather than RSS (measured: a 600MB download moved peak RSS by ~37MB). All the cap still did was refuse legitimate downloads of build artifacts, videos and archives. It is now MAX_FILE_DOWNLOAD_BYTES in config/buffer-limits.ts, default 2GB, env CODEMAN_MAX_DOWNLOAD_BYTES, 0 = unlimited. `parseByteLimitEnv()` is separate from the `parseInt(...) || default` idiom used elsewhere in that file precisely because that idiom reads 0 as falsy and would silently restore the default for the one value that means "no limit". /api/download was the last route that really did buffer the whole file. It now shares sendFileBody() with the other two, so it streams, advertises Accept-Ranges, and is resumable. Its Content-Disposition also goes through buildContentDisposition() rather than raw interpolation. Refusals move from 400 to 413 across all three, which is the correct status for the case; with the cap at 2GB it is a path almost nothing reaches now. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>