- Whitelist OAuth error codes; never render raw URL params (XSS fix)
- Add error state UI with retry button for API failures on homepage and search
- Use <article> for property cards with ARIA labels and semantic list markup
- Replace raw <img> with Next.js <Image> across all listing/gallery/KYC pages
- Add security headers (X-Content-Type-Options, X-Frame-Options, etc.) in next.config.js
- Gate console.error behind NODE_ENV check in global error boundary
- Mapbox confirmed npm-bundled (SRI N/A)
Co-Authored-By: Paperclip <noreply@paperclip.ing>
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