🛡️ Sentinel: [High] Add missing security headers #49
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Implemented missing security headers in
src/http-transport.tsto enhance API security.Headers added:
X-Content-Type-Options: nosniff: Prevents MIME type sniffing.X-Frame-Options: DENY: Prevents clickjacking.Content-Security-Policy: default-src 'self': Restricts resources to origin.Strict-Transport-Security: Enforces HTTPS (skipped for localhost to facilitate development).Verified with a reproduction test case and existing test suite.
PR created automatically by Jules for task 5888033014562632465 started by @davidruzicka