feat: 플레이어 경직/다운 회복 구간 추가

- HitReactionController에 경직, 다운 회복 가능 구간, Hit 속도 배율 파라미터 처리를 추가

- DownBegin/Recover 상태 종료를 StateMachineBehaviour로 받아 구르기 허용 구간과 다운 해제를 분리

- 드로그 발구르기를 경직 이펙트로 전환하고 넉백/경직 이펙트에서 Hit 애니메이션 속도 배율을 설정 가능하게 정리

- PlayMode 테스트를 추가해 경직/넉백이 Hit 애니메이션 속도 배율을 실제로 반영하는지 자동 검증

Assets/_Game/Scripts/Editor/RebuildDrogCombatAssets.cs

@@ -248,11 +248,11 @@ namespace Colosseum.Editor
                     180f,
                     AreaCenterType.Caster);
 
-                KnockbackEffect stompKnockback = CreateKnockbackEffect(
-                    $"{EffectsFolder}/Data_SkillEffect_Drog_발구르기_1_넉백.asset",
-                    6f,
-                    1.5f,
-                    0.2f,
+                StaggerEffect stompStagger = CreateStaggerEffect(
+                    $"{EffectsFolder}/Data_SkillEffect_Drog_발구르기_1_경직.asset",
+                    0.35f,
+                    true,
+                    1f,
                     AreaShapeType.Sphere,
                     4.75f,
                     1f,
@@ -277,6 +277,8 @@ namespace Colosseum.Editor
                     8f,
                     2f,
                     0.25f,
+                    true,
+                    1f,
                     AreaShapeType.Sphere,
                     4.2f,
                     1f,
@@ -302,6 +304,8 @@ namespace Colosseum.Editor
                     5f,
                     1f,
                     0.18f,
+                    true,
+                    1f,
                     AreaShapeType.Sphere,
                     2.8f,
                     1f,
@@ -513,7 +517,7 @@ namespace Colosseum.Editor
                     true,
                     false,
                     stompDamage,
-                    stompKnockback);
+                    stompStagger);
 
                 SkillData leapPrepareSkill = CreateSkill(
                     $"{SkillsFolder}/Data_Skill_Drog_도약_준비.asset",
@@ -1050,6 +1054,8 @@ namespace Colosseum.Editor
             float force,
             float upwardForce,
             float duration,
+            bool playHitAnimation,
+            float hitAnimationSpeedMultiplier,
             AreaShapeType areaShape,
             float areaRadius,
             float fanOriginDistance,
@@ -1064,6 +1070,36 @@ namespace Colosseum.Editor
             serializedObject.FindProperty("force").floatValue = force;
             serializedObject.FindProperty("upwardForce").floatValue = upwardForce;
             serializedObject.FindProperty("duration").floatValue = duration;
+            serializedObject.FindProperty("playHitAnimation").boolValue = playHitAnimation;
+            serializedObject.FindProperty("hitAnimationSpeedMultiplier").floatValue = hitAnimationSpeedMultiplier;
+            serializedObject.ApplyModifiedPropertiesWithoutUndo();
+
+            EditorUtility.SetDirty(effect);
+            return effect;
+        }
+
+        /// <summary>
+        /// 범위 경직 효과를 생성하거나 갱신합니다.
+        /// </summary>
+        private static StaggerEffect CreateStaggerEffect(
+            string path,
+            float duration,
+            bool playHitAnimation,
+            float hitAnimationSpeedMultiplier,
+            AreaShapeType areaShape,
+            float areaRadius,
+            float fanOriginDistance,
+            float fanRadius,
+            float fanHalfAngle,
+            AreaCenterType areaCenter)
+        {
+            StaggerEffect effect = LoadOrCreateAsset<StaggerEffect>(path);
+            SerializedObject serializedObject = new SerializedObject(effect);
+
+            ConfigureAreaEffect(serializedObject, areaShape, areaRadius, fanOriginDistance, fanRadius, fanHalfAngle, areaCenter);
+            serializedObject.FindProperty("duration").floatValue = duration;
+            serializedObject.FindProperty("playHitAnimation").boolValue = playHitAnimation;
+            serializedObject.FindProperty("hitAnimationSpeedMultiplier").floatValue = hitAnimationSpeedMultiplier;
             serializedObject.ApplyModifiedPropertiesWithoutUndo();
 
             EditorUtility.SetDirty(effect);