- Implemented `useUnsplashSearch` hook for searching Unsplash photos with debounce.
- Created Unsplash API client functions for searching photos and triggering downloads.
- Added proxy routes for Unsplash API to handle search requests and background image uploads.
- Introduced accessibility utilities for WCAG compliance checks and motion preference management.
- Developed theme sharing module for encoding and decoding theme configurations as base64url strings.
feat: Implement ConflictTab component to display conflict resolution decisions in session detail
feat: Create ImplPlanTab component to show implementation plan with modal viewer in session detail
feat: Develop ReviewTab component to display review findings by dimension in session detail
test: Add end-to-end tests for CodexLens Manager functionality including navigation, tab switching, and settings validation
