Init

Prefab/Domain/Events/GenericAttributeAddedOrUpdatedEvent.cs

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+using Prefab.Domain.Common;
+
+namespace Prefab.Domain.Events;
+
+/// <summary>
+/// Event raised when a generic attribute is added or updated on an entity.
+/// </summary>
+/// <param name="Entity">The entity that owns the attribute.</param>
+/// <param name="Key">The attribute key.</param>
+/// <param name="Value">The new attribute value.</param>
+public record GenericAttributeAddedOrUpdatedEvent(object Entity, string Key, object Value) : Event;

Prefab/Domain/Events/GenericAttributeChangedEvent.cs

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+using Prefab.Domain.Common;
+
+namespace Prefab.Domain.Events;
+
+/// <summary>
+/// Event raised whenever a generic attribute is added, updated, or removed from an entity.
+/// </summary>
+/// <param name="Entity">The entity that owns the attribute.</param>
+/// <param name="Key">The attribute key.</param>
+/// <param name="Value">The attribute value involved in the change.</param>
+/// <param name="ChangeType">Indicates the type of mutation performed.</param>
+public record GenericAttributeChangedEvent(object Entity, string Key, object? Value, GenericAttributeChangeType ChangeType) : Event;
+
+/// <summary>
+/// Represents the types of mutations that can occur for a generic attribute.
+/// </summary>
+public enum GenericAttributeChangeType
+{
+    /// <summary>Attribute was added for the first time.</summary>
+    Add,
+    /// <summary>Attribute was updated with a new value.</summary>
+    Update,
+    /// <summary>Attribute was removed.</summary>
+    Remove
+}

Prefab/Domain/Events/GenericAttributeRemovedEvent.cs

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+using Prefab.Domain.Common;
+
+namespace Prefab.Domain.Events;
+
+/// <summary>
+/// Event raised when a generic attribute is removed from an entity.
+/// </summary>
+/// <param name="Entity">The entity that owned the attribute.</param>
+/// <param name="Key">The key that was removed.</param>
+public record GenericAttributeRemovedEvent(object Entity, string Key) : Event;