Decompose Windows BLE GATT adapter

src/SwitchifyPc.App/BluetoothRuntime.cs

@@ -25,7 +25,7 @@ public BluetoothRuntime(
         PairingApprovalManager pairingApprovalManager,
         BluetoothStatusTracker statusTracker,
         IBluetoothRemoteFrameProcessor frameProcessor,
-        Func<Action<BluetoothHelperEvent>, IBluetoothTransportServer> serverFactory,
+        Func<Action<BluetoothTransportEvent>, IBluetoothTransportServer> serverFactory,
         Func<Func<Task>, Task> dispatchAsync,
         Func<Task> endControlSessionAsync,
         Action<string, string?, string?> recordDiagnostic,
@@ -96,7 +96,7 @@ public void Dispose()
         }
     }
 
-    private void HandleTransportEvent(BluetoothHelperEvent transportEvent)
+    private void HandleTransportEvent(BluetoothTransportEvent transportEvent)
     {
         if (transportEvent is BluetoothMessageEvent message)
         {
@@ -107,7 +107,7 @@ private void HandleTransportEvent(BluetoothHelperEvent transportEvent)
         _ = dispatchAsync(() => ProcessTransportEventAsync(transportEvent));
     }
 
-    private async Task ProcessTransportEventAsync(BluetoothHelperEvent transportEvent)
+    private async Task ProcessTransportEventAsync(BluetoothTransportEvent transportEvent)
     {
         switch (transportEvent)
         {

src/SwitchifyPc.Core/Bluetooth/BluetoothTransportProtocol.cs

@@ -0,0 +1,25 @@
+using SwitchifyPc.Protocol;
+
+namespace SwitchifyPc.Core.Bluetooth;
+
+public abstract record BluetoothTransportEvent(string Type);
+public sealed record BluetoothReadyEvent() : BluetoothTransportEvent("ready");
+public sealed record BluetoothUnavailableEvent(string Reason) : BluetoothTransportEvent("unavailable");
+public sealed record BluetoothConnectedEvent(string ConnectionId, string Label) : BluetoothTransportEvent("connected");
+public sealed record BluetoothMessageEvent(string ConnectionId, BluetoothFrame Frame) : BluetoothTransportEvent("message");
+public sealed record BluetoothDisconnectedEvent(string ConnectionId, string Reason) : BluetoothTransportEvent("disconnected");
+public sealed record BluetoothDiagnosticEvent(string Event) : BluetoothTransportEvent("diagnostic");
+public sealed record BluetoothSystemStatusEvent(
+    bool AdapterPresent,
+    string RadioState,
+    bool? IsLowEnergySupported,
+    bool? IsPeripheralRoleSupported) : BluetoothTransportEvent("systemStatus");
+public sealed record BluetoothErrorEvent(string Reason) : BluetoothTransportEvent("error");
+
+public static class BluetoothGattProtocol
+{
+    public static readonly Guid ServiceUuid = Guid.Parse("7a78f7e8-1d6d-4d92-9ef0-1f89d3db21f4");
+    public static readonly Guid RxCharacteristicUuid = Guid.Parse("7a78f7e9-1d6d-4d92-9ef0-1f89d3db21f4");
+    public static readonly Guid TxCharacteristicUuid = Guid.Parse("7a78f7ea-1d6d-4d92-9ef0-1f89d3db21f4");
+    public static readonly Guid StatusCharacteristicUuid = Guid.Parse("7a78f7eb-1d6d-4d92-9ef0-1f89d3db21f4");
+}