- Task #6: Create LogViewer with react-window virtualization (search with highlighting, auto-scroll toggle, timestamp format toggle) (shift+click range selection, level/category color badges) - Task #12: Create CrashReport frontend component (crash timeline SVG, pattern analysis with confidence bar) (auto-fix params display, retry API integration) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>