feat: add frontend error notification for rate limiting

feat: add professional SEO logo PNG

feat: point SEO image to logo.png

feat: finalize SEO, rate limiting, and use hero.png

feat: update rate limit to 1/2s, custom error message, and SEO PNG placeholder

feat: complete SEO optimization with robots.txt and sitemap

feat: add SEO and social media metadata

feat: unified build for Hugging Face Spaces

fix: correctly apply theme-aware entity cards in footer

fix: resolve dropdown transparency and button contrast in dark theme

fix: implement theme-aware entity cards in Detected Information section

fix: implement theme-aware disabled button states

fix: refine dark theme UI components

fix: resolve mobile content area collapse and padding issues

fix: enable natural scrolling on mobile devices

fix: implement responsive layout for mobile devices

feat: Initial release of Redac - PII moderation MVP

Chore: Synchronize dependencies with latest verified versions (Vite 8, Python loose versioning).

Brand: Finalize Redac_Scan identity with Shield logo, custom favicon, and responsive HUD design.

Brand: Rebrand project to Redac (MVP status).

Docs: Update README with Pro features and high-volume test instructions.

UI/UX: Restore dynamic score colors and refine loading animations.

UI/Core: Add large document examples and silence MISC warnings.

Initial commit: Privacy Gateway with Multi-language PII detection (EN/FR) and Docker support