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/tasks.json

@@ -1,5 +1,5 @@
 {
-  "lastUpdated": "2026-02-07T03:00:05.489098",
+  "lastUpdated": "2026-02-11T03:00:04.800665",
   "columns": [
     {
       "id": "backlog",
@@ -30,58 +30,6 @@
       "id": "done",
       "name": "Done",
       "tasks": [
-        {
-          "id": "task-034",
-          "title": "Actualizare documentație canale agenți",
-          "description": "",
-          "created": "2026-02-01T12:15:41Z",
-          "priority": "medium",
-          "completed": "2026-02-01T12:15:44Z"
-        },
-        {
-          "id": "task-035",
-          "title": "Restructurare echipă: șterg work, unific health+growth→self",
-          "description": "",
-          "created": "2026-02-01T12:20:59Z",
-          "priority": "medium",
-          "completed": "2026-02-01T12:23:32Z"
-        },
-        {
-          "id": "task-036",
-          "title": "Unificare în 1 agent cu tehnici diminuare dezavantaje",
-          "description": "",
-          "created": "2026-02-01T13:27:51Z",
-          "priority": "medium",
-          "completed": "2026-02-01T13:30:01Z"
-        },
-        {
-          "id": "task-037",
-          "title": "Coaching dimineață - Asumarea eforturilor (Zoltan Vereș)",
-          "description": "",
-          "created": "2026-02-02T07:01:14Z",
-          "priority": "medium"
-        },
-        {
-          "id": "task-038",
-          "title": "Raport dimineata trimis pe email",
-          "description": "",
-          "created": "2026-02-03T06:31:08Z",
-          "priority": "medium"
-        },
-        {
-          "id": "task-039",
-          "title": "Raport seară 3 feb trimis pe email",
-          "description": "",
-          "created": "2026-02-03T18:01:12Z",
-          "priority": "medium"
-        },
-        {
-          "id": "task-040",
-          "title": "Job night-execute: 2 video-uri YouTube procesate",
-          "description": "",
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-          "priority": "medium"
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         {
           "id": "task-041",
           "title": "Raport dimineață trimis pe email",