- Two-column run selectors with experiment→run cascading dropdowns and URL state sync
- Config diff with color-coded same/changed/added/removed entries using key-level comparison
- Line-level LCS response diff with added/removed/same highlighting
- Score comparison with overlaid indigo/emerald bars per scorer
- Pick Winner buttons submit human_preference score via API
- Full RunCard detail view for each run side by side
- 15 tests added (5 diff helper unit tests + 10 component integration tests)
- App.test.tsx updated to mock experiments.list for ComparePage route
Extracted inline SteeringControls from LivePage into standalone component.
Added Fork button (modal to clone experiment config), Export Best dropdown
(JSON/YAML/.env download), and estimated time remaining stat. LivePage
updated to import the new component. 33 tests added, all 284 tests pass.
Extract the inline LeaderboardTable from LivePage into a standalone
Leaderboard component with click-to-expand detail rows, sortable
columns, smooth slide-in animation for new entries, and a subtle
glow effect on the best run. 29 tests added.
Built standalone PromptEditor with transparent-textarea overlay for syntax
highlighting of Jinja2 expressions, statements, and comments. Includes
clickable variable sidebar for insertion and preview panel with sample data
substitution. Integrated into ExperimentPage PipelineStageCard. 27 tests added.
- Full setup form with username, password, confirm password
- Auth detection on mount (redirects if already authenticated)
- Client-side validation (empty username, short password, mismatch)
- Server error handling (409 conflict, network errors)
- Welcoming UI with gradient background, dark mode support
- 9 new tests covering all states and error paths
- Updated App.test.tsx to handle async SetupPage rendering
- Added @testing-library/user-event dependency
