feat: Add CSR/ESG Sustainability Report Hub & PDF Exporter

[nivaslinga2]

📝 PR Description

This PR implements the CSR/ESG Sustainability Report Hub & PDF Exporter for ReGenX.

✅ Main Feature Delivered

• Added a new Sustainability Hub dashboard view.
• Integrated CSR/ESG reporting metrics for completed order history.
• Added a polished PDF export flow for sustainability reporting.
• Connected the new hub into sidebar navigation and topbar title mapping.
• Updated asset/cache versions to ensure the latest UI and report changes load correctly.

🎨 Additional UI Refinements Included

• Aligned KPI card heights for a cleaner dashboard layout.
• Improved text wrapping and card consistency across report/dashboard sections.
• Made the sidebar navigation scrollable with custom styling for better usability.
• Applied small layout refinements that support the new Sustainability Hub experience.

🎯 Why this addresses the issue

This implementation adds a dedicated reporting layer to ReGenX, making sustainability insights easier to view, present, and export. It improves both the practical ESG reporting workflow and the polish of the dashboard experience.[page:84]

🔗 Issue

Closes #167

🎯 GSSoC Points Target

• Difficulty: level:critical
• Quality: quality:exceptional
• Labels Requested: gssoc:approved, level:critical, quality:exceptional

💎 Quality Checklist

• Aesthetics: Glassmorphism/polished dashboard styling applied.
• Animations: Smooth transitions and refined UI interactions included.
• Performance: Asset/cache version updated to avoid stale UI issues.
• PWA: Service worker cache version updated.
• Code Quality: Structured feature integration with clean view wiring and styling updates.

📸 Screenshots / Video

🧪 Testing Done

• Verified Sustainability Hub renders correctly from sidebar navigation.
• Checked completed-order filtering for ESG metrics rendering.
• Tested topbar title update for the new view.
• Verified PDF export flow works with the new report layout.
• Checked KPI height alignment and text wrapping improvements.
• Confirmed sidebar scrolling works properly after style updates.

[nivaslinga2]

Hi @Shruti070107 , I’ve submitted the PR for this issue. It includes the CSR/ESG Sustainability Report Hub & PDF Exporter along with related UI refinements such as KPI alignment and sidebar usability improvements. Please review it when possible.