feat: guardian floors use guardian elements instead of fixed cycle

src/lib/game/utils/floor-utils.ts

@@ -15,9 +15,33 @@ export function getFloorMaxHP(floor: number): number {
   return Math.floor(baseHP + floorScaling + exponentialScaling);
 }
 
+/**
+ * Get the primary element for a floor.
+ * Guardian floors use the guardian's first element.
+ * Non-guardian floors cycle through the base element list.
+ */
 export function getFloorElement(floor: number): string {
+  const guardian = getGuardianForFloor(floor);
+  if (guardian && guardian.element.length > 0) {
+    return guardian.element[0];
+  }
   const len = FLOOR_ELEM_CYCLE.length;
   const idx = ((floor - 1) % len + len) % len;
   return FLOOR_ELEM_CYCLE[idx];
 }
 
+/**
+ * Get all elements for a floor.
+ * Guardian floors return all guardian elements (multi-element guardians).
+ * Non-guardian floors return a single-element array with the cycle element.
+ */
+export function getFloorElements(floor: number): string[] {
+  const guardian = getGuardianForFloor(floor);
+  if (guardian && guardian.element.length > 0) {
+    return [...guardian.element];
+  }
+  const len = FLOOR_ELEM_CYCLE.length;
+  const idx = ((floor - 1) % len + len) % len;
+  return [FLOOR_ELEM_CYCLE[idx]];
+}
+

src/lib/game/utils/index.ts

@@ -5,7 +5,7 @@ export { fmt, fmtDec, formatSpellCost, getSpellCostColor, formatStudyTime, forma
 export { createSafeStorage } from './safe-persist';
 export { ok, okVoid, fail, failTyped, unwrapOr, isErrorCode, ErrorCode } from './result';
 export type { Result, ErrorCodeType } from './result';
-export { getFloorMaxHP, getFloorElement } from './floor-utils';
+export { getFloorMaxHP, getFloorElement, getFloorElements } from './floor-utils';
 export { 
   computeMaxMana, 
   computeRegen,