fix: resolve all Priority 5 CRASH/BLOCKER issues (#51-#57)

- #51: Fix broken import path @/types/disciplines → @/lib/game/types/disciplines
- #52: Fix canProceedDiscipline() called with wrong arguments in discipline-slice.ts
- #53: Add local useState for activeAttunement tab filtering in DisciplinesTab
- #54: Make canProceedDiscipline() defensive when gameState is undefined
- #57: Remove stale CraftingTab export from game/index.ts
- Refactored DisciplineCard to use Zustand selector subscriptions properly
- Added DisciplinePerk type import to discipline-math.ts

src/lib/game/stores/discipline-slice.ts

@@ -58,7 +58,8 @@ export const useDisciplineStore = create<DisciplineStore>()(
             return d && !d.paused;
           }).length;
           if (nonPaused >= s.concurrentLimit) return s;
-          if (!canProceedDiscipline(id, gameState)) return s;
+          const discState = s.disciplines[id];
+          if (!canProceedDiscipline(def, discState, gameState)) return s;
 
           const existing = s.disciplines[id] || { id, xp: 0, paused: false };
           return {