- Eliminate N+1 lazy queries in activity, documents, and workflows endpoints using joinedload/selectinload
- Aggregate dashboard KPI counts into a single SQL query to reduce remote DB roundtrips
- Increase DB pool size to 10 with max_overflow of 20 to prevent connection starvation
- Add in-flight GET request deduplication in frontend API client
- Remove blocking /auth/me call on login to enable instant navigation
- Cache workspace data in localStorage to eliminate sequential loading waterfalls
- Implement session caching and skeleton shimmer states in Dashboard UI
fix: concurrency lock, full stage instrumentation, submission docs
