feat.airapp sdk

LanMountainDesktop.AirAppSdk/IAirAppAppearanceContext.cs

@@ -0,0 +1,19 @@
+namespace LanMountainDesktop.AirAppSdk;
+
+/// <summary>
+/// Provides appearance and theme context.
+/// </summary>
+public interface IAirAppAppearanceContext
+{
+    /// <summary>
+    /// Gets the current appearance snapshot.
+    /// </summary>
+    AirAppAppearanceSnapshot CurrentSnapshot { get; }
+
+    /// <summary>
+    /// Subscribe to appearance changes.
+    /// </summary>
+    /// <param name="handler">Change handler</param>
+    /// <returns>Subscription token</returns>
+    IDisposable SubscribeToChanges(Action<AirAppAppearanceSnapshot> handler);
+}