Initial commit: AetherBags + KamiToolKit for FC Gitea

Co-authored-by: Cursor <cursoragent@cursor.com>

KamiToolKit/Extensions/MainThreadSafety.cs

@@ -0,0 +1,23 @@
+using System.Runtime.CompilerServices;
+using Dalamud.Utility;
+using FFXIVClientStructs.FFXIV.Client.System.Framework;
+using KamiToolKit.Classes;
+
+namespace KamiToolKit.Extensions;
+
+public static unsafe class MainThreadSafety {
+
+    /// <summary>
+    /// Returns true if <em>not</em> on the main thread. Use this to return early.
+    /// </summary>
+    public static bool TryAssertMainThread([CallerFilePath] string? callerFilePath = null, [CallerMemberName] string? callerName = null) {
+        if (Framework.Instance()->IsDestroying) return true;
+
+        if (!ThreadSafety.IsMainThread) {
+            Log.Error($"{callerFilePath?.Split(@"\")[^1][..^2]}{callerName} must be invoked from the main thread.");
+            return true;
+        }
+
+        return false;
+    }
+}