feat: habit tracker with gamification + KB updates

Merge feature/habit-tracker into master (squashed):

✨ Habit Tracker Features:
- Bead chain visualization (30-day history)
- Weekly lives recovery system (+1 life/week)
- Lucide icons (zap, shield) replacing emoji
- Responsive layout (mobile-optimized)
- Navigation links added to all dashboard pages

📚 Knowledge Base:
- 40+ trading basics articles with metadata
- Daily notes (2026-02-10, 2026-02-11)
- Health & insights content
- KB index restructuring

🧪 Tests:
- Comprehensive test suite (4 test files)
- Integration tests for lives recovery
- 28/29 tests passing

Commits squashed:
- feat(habits): bead chain visualization + weekly lives recovery + nav integration
- docs(memory): update KB content + daily notes
- chore(data): update habits and status data

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

dashboard/swipe-nav.js

@@ -3,7 +3,7 @@
  * Swipe left/right to navigate between pages
  */
 (function() {
-    const pages = ['index.html', 'notes.html', 'files.html'];
+    const pages = ['index.html', 'notes.html', 'habits.html', 'files.html', 'workspace.html'];
     
     // Get current page index
     function getCurrentIndex() {
@@ -45,7 +45,7 @@
     function handleSwipe() {
         const deltaX = touchEndX - touchStartX;
         const deltaY = Math.abs(touchEndY - touchStartY);
-        
+
         // Ignore if vertical swipe or too short
         if (deltaY > maxVerticalDistance) return;
         if (Math.abs(deltaX) < minSwipeDistance) return;