SUMMARY:
Completed Phase 3 Task 3.4.1 - Enhanced the 27027 incident demo page
with interactive playback controls, service status visualization, and
clickable step navigation for better user engagement.
NEW FEATURES:
1. Clickable Step Navigation:
- Users can click any step to jump directly to it
- Steps highlight on hover with shadow effect
- Manual navigation shows progress panel and service status
- Disabled during auto-play to prevent conflicts
2. Playback Speed Controls:
- Three speed options: Slow (4s), Normal (2.5s), Fast (1s)
- Visual button state shows selected speed
- Speed persists during playback
- Default: Normal speed
3. Service Status Visualization:
- New panel shows active Tractatus services
- InstructionPersistence highlights on Step 6 (purple ring)
- CrossReferenceValidator highlights on Step 7 (purple ring)
- Service icons use brand colors (indigo/purple)
- Smooth opacity transitions
4. Enhanced Visual Feedback:
- Steps now reset properly when navigating backward
- Future steps return to pending state
- Hover effects on all steps
- Smooth scroll behavior
- Better state management (pending/active/complete/error)
5. Improved UX:
- Service status hidden until first interaction
- Progress panel shows after first play/click
- Reset clears all state including services
- Click handlers respect auto-play state
TECHNICAL DETAILS:
JavaScript (27027-demo.js):
- Added playbackSpeed variable and speedDelays mapping
- Enhanced initTimeline() with click handlers for navigation
- Updated playScenario() to use speed setting
- New updateServiceStatus() function for service highlighting
- Enhanced showStep() to handle forward/backward navigation
- Updated resetScenario() to clear service status
HTML (27027-demo.html):
- Added speed control buttons (Slow/Normal/Fast)
- Added service status panel with 2 services
- Service indicators use brand colors
- All controls use Tailwind utility classes
DESIGN PATTERNS:
- Brand-consistent colors (indigo-600, purple-600)
- Smooth 300ms transitions
- Responsive design maintained
- CSP compliant (no inline handlers)
IMPACT:
Users can now:
✓ Control playback speed for better comprehension
✓ Jump to specific steps for review
✓ See which Tractatus services activate at each step
✓ Understand the architectural intervention visually
This completes all Phase 3 interactive features. Demo is now
production-ready for deployment.
🤖 Generated with Claude Code (https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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