fix: SkillsTab barrel export, equipment store reads, LabTab re-export, debug null guards, GrimoireTab loaded state, spire tab switching

src/components/game/debug/PactDebug.tsx

@@ -24,7 +24,7 @@ export function PactDebug() {
   const addLog = useUIStore((s) => s.addLog);
   
   // Get all guardian floors
-  const guardianFloors = Object.keys(GUARDIANS).map(Number).sort((a, b) => a - b);
+  const guardianFloors = Object.keys(GUARDIANS || {}).map(Number).sort((a, b) => a - b);
 
   // Force sign a pact with a guardian (bypass costs and time)
   const forcePact = (floor: number) => {
@@ -118,7 +118,7 @@ export function PactDebug() {
                       Floor {floor} | {guardian.pact}x multiplier
                     </div>
                     <div className="text-xs text-gray-500">
-                      Unlocks: {guardian.unlocksMana.map(e => ELEMENTS[e]?.name || e).join(', ')}
+                      Element: {ELEMENTS[guardian.element]?.name || guardian.element}
                     </div>
                   </div>
                   <div className="flex gap-1">