Optimize mobile UI, fix layout overlaps and add tender questions link

feat: persistent search history and professional PDF export with branded headers

feat: implement Groq integration, robust multi-agent synthesis and UX performance optimization

style: Global scrollbar reset and Premium 2026 aesthetics

style: Implementation of Premium 2026 scrollbar and Z-Index supremacy

fix: Eliminated horizontal scroll and styled vertical scrollbar for sidebar

fix: Resolve PostCSS syntax errors in globals.css

style: Premium UI overhaul with glassmorphism and modern aesthetics

Initial commit: AndesOps AI Platform Demo Ready