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fix: preserve CSP values during nonce substitution - #106
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I run Live Tennis API.
Using
$NONCEin one policy currently sends both CSP policy strings throughfmt.Sprintf. A static companion policy receives%!(EXTRA string=...). Percent encoded URLs inside nonce policies also become formatting diagnostics.Substitute the
$NONCEmarkers directly. Both headers keep their other text, and the handler still receives a fresh nonce for each request.make cipasses on Go 1.21.13 and 1.26.0, including race tests and vet. The configuredgolangci-lint2.12.2 check passes. All seven new regression cases fail on unchanged v1 and pass with the fix.