[google-labs-jules]

🚨 Severity: HIGH
💡 Vulnerability: External CDN assets (KaTeX CSS/JS) lacked Subresource Integrity (SRI) hashes, trusting the CDN blindly.
🎯 Impact: If the CDN is compromised, a malicious actor could replace the assets and execute XSS attacks on users visiting the site.
🔧 Fix: Generated SHA-384 hashes for the specific KaTeX versions used and added integrity attributes alongside crossorigin="anonymous".
✅ Verification: cargo check and cargo fmt pass in the web directory, verifying the build isn't broken. Also recorded the finding in .jules/sentinel.md.

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PR created automatically by Jules for task 17562281440778692189 started by @panayang

[google-labs-jules]

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[cn-starlabs]

review locally and close this PR