fix: split SpireTab.tsx to 395 lines, remove require() imports, import from data modules; complete store migration

src/lib/game/stores/combatStore.ts

@@ -46,7 +46,7 @@ export interface CombatState {
     attackSpeedMult: number,
     onFloorCleared: (floor: number, wasGuardian: boolean) => void,
     onDamageDealt: (damage: number) => { rawMana: number; elements: Record<string, { current: number; max: number; unlocked: boolean }> },
-  ) => { rawMana: number; elements: Record<string, { current: number; max: number; unlocked: boolean }>; logMessages: string[] };
+  ) => { rawMana: number; elements: Record<string, { current: number; max: number; unlocked: boolean }>; logMessages: string[]; totalManaGathered: number };
   
   // Reset
   resetCombat: (startFloor: number, spellsToKeep?: string[]) => void;
@@ -211,7 +211,7 @@ export const useCombatStore = create<CombatState>()(
         set({
           currentFloor,
           floorHP,
-          floorMaxHP,
+          floorMaxHP: getFloorMaxHP(currentFloor),
           maxFloorReached: Math.max(state.maxFloorReached, currentFloor),
           castProgress,
         });