HTTP header inspector with security-header highlighting (CSP, XFO, HSTS, X-Content-Type-Options, Referrer-Policy, Permissions-Policy). Next.js 15 MVP scaffold — CSP parser, Playwright rendering, iframe sim, AI explanations all still TODO. 8 tests incl. SSRF guard.
react security csp typescript nextjs developer-tools iframe http-headers browser-diagnostics status-mvp-scaffold
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Updated
Sep 7, 2026 - TypeScript