feat: add discipline and perks section to Stats tab

docs/circular-deps.txt

@@ -1,4 +1,4 @@
 # Circular Dependencies
-Generated: 2026-05-27T09:40:41.085Z
+Generated: 2026-05-27T09:44:00.635Z
 
 No circular dependencies found. ✅

docs/dependency-graph.json

@@ -1,6 +1,6 @@
 {
   "_meta": {
-    "generated": "2026-05-27T09:40:39.287Z",
+    "generated": "2026-05-27T09:43:58.768Z",
     "description": "Import dependency graph for src/lib/game. Keys are files, values are arrays of files they import.",
     "usage": "To find what a file affects, search for its path in the VALUES. To find what a file depends on, look at its KEY entry."
   },

docs/project-structure.txt

@@ -115,6 +115,7 @@ Mana-Loop/
 │   │   │   │   │   └── index.ts
 │   │   │   │   ├── StatsTab/
 │   │   │   │   │   ├── CombatStatsSection.tsx
+│   │   │   │   │   ├── DisciplineStatsSection.tsx
 │   │   │   │   │   ├── ElementStatsSection.tsx
 │   │   │   │   │   ├── LoopStatsSection.tsx
 │   │   │   │   │   ├── ManaStatsSection.tsx