Consolidates two competing CTAs (resume button in dashboard vs practice
button in banner) into a single unified experience in the session banner.
When an active session exists, the projecting banner now shows:
- Session progress (X/Y problems completed)
- When started / last activity timestamps
- Focus description and skill changes since session start
- "Resume Session" button to continue where left off
- "Start Fresh" link to open modal (session only abandoned when new one starts)
Changes:
- Add ActiveSessionBanner component with dashboard and nav variants
- Add computeSkillChanges utility for tracking skill state changes
- Extend SessionModeBannerContext with activeSession state and handlers
- Modify ProjectingBanner to conditionally render ActiveSessionBanner
- Remove resume button and activeSession prop from ProgressDashboard
- Wire up active session data in DashboardClient
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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