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Ethan
2b70122e4a
## Summary - avoid duplicating preset headers when cachecompress serves compressed `/bin/*` responses - add a cachecompress regression test for preset `X-Original-Content-Length` and `ETag` headers - strengthen site binary tests to assert those headers stay single-valued ## Problem `site/bin.go` sets `X-Original-Content-Length` and `ETag` on the real response writer before delegating. `cachecompress` then snapshotted those headers and replayed them with `Header().Add(...)`, which duplicated them on compressed responses. For `coder-desktop-macos`, duplicate `X-Original-Content-Length` values can collapse into a comma-separated string and fail `Int64` parsing, causing the file size to show as `Unknown`. ## Testing - `/usr/local/go/bin/go test ./coderd/cachecompress -run 'TestCompressorPresetHeaders|TestCompressorHeadings' -count=1` - `/usr/local/go/bin/go test ./site -run TestServingBin -count=1` - `PATH=/usr/local/go/bin:$PATH make lint/go` ## Notes - Skipped full `make pre-commit` with explicit approval because local environment/tooling blocked it (Node version/path interaction in generated site targets, plus missing local tools before setup).