P0-02 补齐数据表：组件、敌人、波次、节点、事件、商店商品

- 组件：
    - 底座：Assets\GameMain\DataTables\BaseComp.txt
    - 轴承：Assets\GameMain\DataTables\BearingComp.txt
    - 枪口：Assets\GameMain\DataTables\MuzzleComp.txt
- 敌人：Assets\GameMain\DataTables\Enemy.txt
- 波次：
    - 关卡：Assets\GameMain\DataTables\Level.txt
    - 关卡阶段（波次）：Assets\GameMain\DataTables\LevelPhase.txt
    - 波次条目（波次出怪规则）：Assets\GameMain\DataTables\LevelSpawnEntry.txt
- 事件：Assets\GameMain\DataTables\Event.txt
- 商店：Assets\GameMain\DataTables\ShopPrice.txt

Assets/GameMain/Scripts/Definition/DataStruct/EventItem.cs

@@ -0,0 +1,18 @@
+namespace GeometryTD.Definition
+{
+    public class EventItem
+    {
+        public EventItem(int id, string title, string description, EventOption[] options)
+        {
+            Id = id;
+            Title = title;
+            Description = description;
+            Options = options ?? System.Array.Empty<EventOption>();
+        }
+
+        public int Id { get; private set; }
+        public string Title { get; private set; }
+        public string Description { get; private set; }
+        public EventOption[] Options { get; private set; }
+    }
+}

Assets/GameMain/Scripts/Definition/DataStruct/EventItem.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: c2a6dce0183e4efdbada20c25be949c0
+timeCreated: 1772097196

Assets/GameMain/Scripts/Definition/DataStruct/EventOption.cs

@@ -0,0 +1,25 @@
+namespace GeometryTD.Definition
+{
+    public class EventOption
+    {
+        public string OptionText { get; private set; }
+        public EventRequirementBase[] Requirements { get; private set; }
+        public EventEffectBase[] CostEffects { get; private set; }
+        public EventEffectBase[] RewardEffects { get; private set; }
+        public float Probability { get; private set; }
+
+        public EventOption(
+            string optionText,
+            EventRequirementBase[] requirements,
+            EventEffectBase[] costEffects,
+            EventEffectBase[] rewardEffects,
+            float probability = 1f)
+        {
+            OptionText = optionText;
+            Requirements = requirements ?? System.Array.Empty<EventRequirementBase>();
+            CostEffects = costEffects ?? System.Array.Empty<EventEffectBase>();
+            RewardEffects = rewardEffects ?? System.Array.Empty<EventEffectBase>();
+            Probability = probability;
+        }
+    }
+}

Assets/GameMain/Scripts/Definition/DataStruct/EventOption.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: bcb612057a454fcf97f41fdf5c6d9b22
+timeCreated: 1772097742