Wire EVE native program output contract

src/Mimir.Runtime/Synchronization/MimirEveProgramOutputConfiguration.cs

@@ -0,0 +1,64 @@
+namespace Mimir.Runtime.Synchronization;
+
+public enum MimirEveProgramOutputTransport
+{
+    D3D12SharedTextureHardwareEncode,
+    SunshineMoonlightProbe,
+    DesktopDuplicationDiagnostic
+}
+
+public sealed record MimirEveProgramOutputConfiguration(
+    string Id,
+    string Description,
+    string TargetHost,
+    int TargetPort,
+    string SharedTextureName,
+    int TargetWidth,
+    int TargetHeight,
+    int TargetFramesPerSecond,
+    MimirEveProgramOutputTransport Transport,
+    bool UsesWebKit,
+    bool DiagnosticOnly,
+    string[] RequiredEnvironment,
+    string Notes);
+
+public static class MimirEveProgramOutputConfigurations
+{
+    public const string DefaultSharedTextureName = "Global\\MimirFensalirProgramTexture";
+
+    public static MimirEveProgramOutputConfiguration NativeSharedTexture { get; } = new(
+        "eve-native-d3d12-hardware-stream",
+        "Production direction: Fensalir copies the completed D3D12 backbuffer into a named shared texture; a hardware encoder consumes that texture and EVE displays decoded frames natively.",
+        "eve",
+        44044,
+        DefaultSharedTextureName,
+        1920,
+        1440,
+        60,
+        MimirEveProgramOutputTransport.D3D12SharedTextureHardwareEncode,
+        UsesWebKit: false,
+        DiagnosticOnly: false,
+        RequiredEnvironment:
+        [
+            "FENSALIR_PROGRAM_OUTPUT_D3D12=1",
+            $"FENSALIR_PROGRAM_OUTPUT_NAME={DefaultSharedTextureName}"
+        ],
+        "EVE owns decode/composite only. It does not own layout, DOM, timing authority, or Chromium compatibility.");
+
+    public static MimirEveProgramOutputConfiguration MoonlightProbe { get; } = NativeSharedTexture with
+    {
+        Id = "eve-moonlight-probe",
+        Description = "Latency probe only: Sunshine/Moonlight can validate network and decode budget before the custom encoder path is finished.",
+        Transport = MimirEveProgramOutputTransport.SunshineMoonlightProbe,
+        SharedTextureName = "",
+        DiagnosticOnly = true,
+        RequiredEnvironment = [],
+        Notes = "This proves the EVE display/network budget, not Mimir's shared-texture authority."
+    };
+
+    public static IReadOnlyList<MimirEveProgramOutputConfiguration> BuiltIn { get; } =
+    [
+        NativeSharedTexture,
+        MoonlightProbe
+    ];
+}