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/habits.json

@@ -0,0 +1,56 @@
+{
+  "lastUpdated": "2026-02-11T10:59:50.675572",
+  "habits": [
+    {
+      "id": "95c15eef-3a14-4985-a61e-0b64b72851b0",
+      "name": "Bazin \u0219i Saun\u0103",
+      "category": "health",
+      "color": "#EF4444",
+      "icon": "target",
+      "priority": 50,
+      "notes": "",
+      "reminderTime": "19:00",
+      "frequency": {
+        "type": "x_per_week",
+        "count": 5
+      },
+      "streak": {
+        "current": 0,
+        "best": 1,
+        "lastCheckIn": "2026-02-11"
+      },
+      "lives": 0,
+      "completions": [],
+      "createdAt": "2026-02-11T00:54:03.447063",
+      "updatedAt": "2026-02-11T10:59:50.675572"
+    },
+    {
+      "id": "ceddaa7e-caf9-4038-94bb-da486c586bf8",
+      "name": "Fotocitire",
+      "category": "growth",
+      "color": "#10B981",
+      "icon": "camera",
+      "priority": 30,
+      "notes": "",
+      "reminderTime": "",
+      "frequency": {
+        "type": "x_per_week",
+        "count": 3
+      },
+      "streak": {
+        "current": 1,
+        "best": 1,
+        "lastCheckIn": "2026-02-11"
+      },
+      "lives": 2,
+      "completions": [
+        {
+          "date": "2026-02-11",
+          "type": "check"
+        }
+      ],
+      "createdAt": "2026-02-11T01:58:44.779904",
+      "updatedAt": "2026-02-11T10:51:30.181867"
+    }
+  ]
+}