v3.2.0 - Cross-Project Comparison

What's New

Cross-Project Comparison View

• New /comparison route under Insights for side-by-side project usage comparison
• Select 2-5 projects and compare metrics including tokens, cost, tool usage, and model mix
• 6 visualization components: project selector, overview table, token chart, cost chart, tool usage chart, model mix display

Sidebar Usage Widget Improvements

• Widget now uses live session data instead of stale stats-cache.json
• Shows real-time project count, session count, and estimated cost

UX Fixes

• Page-specific refresh buttons moved below info cards on Analytics and Sessions pages (no more double refresh icons in the header)