fix: guardian pact signing now unlocks mana types via unlockElement

src/lib/game/stores/gameStore.ts

@@ -229,6 +229,16 @@ export const useGameStore = create<GameCoordinatorStore>()(
 
               if (newProgress >= requiredTime) {
                 addLog(`📜 Pact signed with ${guardian.name}! You have gained their boons.`);
+
+                // Unlock mana types granted by this guardian
+                const manaStore = useManaStore.getState();
+                for (const manaType of guardian.unlocksMana || []) {
+                  const result = manaStore.unlockElement(manaType, 0);
+                  if (result.ok) {
+                    addLog(`✨ ${manaType.charAt(0).toUpperCase() + manaType.slice(1)} mana unlocked!`);
+                  }
+                }
+
                 writes.prestige = {
                   ...(writes.prestige || {}),
                   signedPacts: [...ctx.prestige.signedPacts, ctx.prestige.pactRitualFloor],