fix: resolve 22 remaining issues - type exports, dead code, state mutations, orphaned components

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

@@ -61,20 +61,6 @@ export function getDodgeChance(floor: number): number {
   );
 }
 
-// Get health regen for an enemy (0-1 as percentage of max HP per tick)
-export function getEnemyHealthRegen(floor: number, element: string): number {
-  // Higher floors have a chance for enemies with health regen
-  if (floor < 15) return 0;
-  
-  // Health regen becomes more common on higher floors
-  const regenChance = Math.min(0.3, (floor - 15) * 0.005); // Max 30% chance
-  if (Math.random() > regenChance) return 0;
-  
-  // Scale regen with floor (0.5% to 3% of max HP per tick)
-  const floorProgress = Math.min(1, (floor - 15) / 85);
-  return 0.005 + floorProgress * 0.025;
-}
-
 // Get barrier for an enemy (0-1 as percentage of max HP)
 export function getEnemyBarrier(floor: number, element: string): number {
   // Barrier appears on higher floors, more common with certain elements
@@ -110,7 +96,6 @@ export function generateSwarmEnemies(floor: number): EnemyState[] {
       maxHP: Math.floor(baseHP * SWARM_CONFIG.hpMultiplier),
       armor: SWARM_CONFIG.armorBase + Math.floor(floor / 10) * SWARM_CONFIG.armorPerFloor,
       dodgeChance: 0,
-      healthRegen: getEnemyHealthRegen(floor, element),
       barrier: getEnemyBarrier(floor, element),
       element,
     });
@@ -136,7 +121,6 @@ export function generateFloorState(floor: number): FloorState {
           maxHP: guardian.hp,
           armor: guardian.armor || 0,
           dodgeChance: 0,
-          healthRegen: 0.01, // Guardians have 1% HP regen per tick
           barrier: 0,
           element: guardian.element,
         }],
@@ -159,7 +143,6 @@ export function generateFloorState(floor: number): FloorState {
           maxHP: baseHP,
           armor: getFloorArmor(floor),
           dodgeChance: getDodgeChance(floor),
-          healthRegen: getEnemyHealthRegen(floor, element),
           barrier: getEnemyBarrier(floor, element),
           element,
         }],
@@ -192,7 +175,6 @@ export function generateFloorState(floor: number): FloorState {
           maxHP: baseHP,
           armor: getFloorArmor(floor),
           dodgeChance: 0,
-          healthRegen: getEnemyHealthRegen(floor, element),
           barrier: getEnemyBarrier(floor, element),
           element,
         }],