Add EventManager and event handling system; implement event triggering and popup display

Scripts/UI/EventPopup.cs

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+using Godot;
+using ParasiticGod.Scripts.Core;
+using ParasiticGod.Scripts.Singletons;
+
+namespace ParasiticGod.Scripts.UI;
+
+[GlobalClass]
+public partial class EventPopup : PanelContainer
+{
+    [Export] private Label _titleLabel;
+    [Export] private RichTextLabel _descriptionLabel;
+    [Export] private VBoxContainer _optionsContainer;
+    [Export] private PackedScene _optionButtonScene; // A scene for a single button
+    
+    public void DisplayEvent(EventDefinition eventDef)
+    {
+        _titleLabel.Text = eventDef.Title;
+        _descriptionLabel.Text = eventDef.Description;
+
+        foreach (var child in _optionsContainer.GetChildren())
+        {
+            child.QueueFree();
+        }
+
+        foreach (var option in eventDef.Options)
+        {
+            var button = _optionButtonScene.Instantiate<Button>();
+            button.Text = option.Text;
+            button.TooltipText = option.Tooltip;
+            
+            button.Pressed += () =>
+            {
+                GameBus.Instance.ExecuteEffects(option.Effects);
+                QueueFree();
+            };
+            
+            _optionsContainer.AddChild(button);
+        }
+    }
+}

Scripts/UI/EventPopup.cs.uid

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+uid://h1x5eqt0lc5m