🛡️ Sentinel: Add standard HTTP security headers #46
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- Adds X-Frame-Options: DENY to prevent clickjacking - Adds X-Content-Type-Options: nosniff to prevent MIME sniffing - Adds Content-Security-Policy: default-src 'self' to mitigate XSS - Adds Strict-Transport-Security (HSTS) for non-localhost environments to enforce HTTPS - Implemented via inline middleware in HttpTransport to avoid new dependencies
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Sentinel 🛡️ Security Enhancement:
Added standard HTTP security headers to the
HttpTransportlayer. This includes:X-Frame-Options: DENY- Protects against clickjacking.X-Content-Type-Options: nosniff- Prevents the browser from interpreting files as a different MIME type.Content-Security-Policy: default-src 'self'- Restricts resources to the same origin, mitigating XSS.Strict-Transport-Security(HSTS) - Enforced on non-localhost environments (max-age=1 year, includeSubDomains).This aligns with security best practices and adds defense-in-depth layers to the application.
Verified with a new test case
src/testing/security-headers.test.ts(deleted before submission as per standard cleanup).PR created automatically by Jules for task 11222986942080205240 started by @davidruzicka