Isolate content script build to prevent silent chunk-import breakage#41

Copilot wants to merge 2 commits intomainnumbersprotocol/proofsnap-extension:mainfrom

copilot/fix-vite-chunk-output-issuenumbersprotocol/proofsnap-extension:copilot/fix-vite-chunk-output-issueCopy head branch name to clipboard