feat(launcher): Campaign LA add Avalonia desktop shell

src/AcDream.Launcher.Core/Orchestration/LauncherStateSnapshot.cs

@@ -0,0 +1,85 @@
+using AcDream.Launcher.Core.Profiles;
+
+namespace AcDream.Launcher.Core.Orchestration;
+
+public sealed record LauncherCharacterSnapshot(
+    string ServerName,
+    string AccountName,
+    string Name,
+    string? Id,
+    LaunchMode LaunchMode,
+    IReadOnlyList<string> Plugins,
+    IReadOnlyList<string> LoginCommands,
+    bool HasRunningSession,
+    string SessionStatus);
+
+/// <summary>
+/// Password is deliberately absent. The account credential remains reachable
+/// only inside <see cref="Profiles.LauncherProfileStore"/> and the transient
+/// stdin handoff performed by <see cref="LauncherOrchestrator"/>.
+/// </summary>
+public sealed record LauncherAccountSnapshot(
+    string ServerName,
+    string AccountName,
+    IReadOnlyList<LauncherCharacterSnapshot> Characters,
+    bool HasRunningActivity,
+    string ActivityStatus);
+
+public sealed record LauncherServerSnapshot(
+    string Name,
+    string Host,
+    int Port,
+    IReadOnlyList<LauncherAccountSnapshot> Accounts);
+
+public enum LauncherActivityKind
+{
+    Play,
+    Probe,
+}
+
+public enum LauncherActivityState
+{
+    Starting,
+    Running,
+    Connected,
+    InWorld,
+    Disconnected,
+    Stopping,
+    Exited,
+    Failed,
+    Cancelled,
+}
+
+public sealed record LauncherSessionSnapshot(
+    string SessionId,
+    LauncherActivityKind Kind,
+    string ServerName,
+    string AccountName,
+    string? CharacterName,
+    LaunchMode? LaunchMode,
+    LauncherActivityState State,
+    string Status,
+    int? ExitCode,
+    string? Error,
+    DateTimeOffset CreatedAt)
+{
+    public bool IsActive => State is not (
+        LauncherActivityState.Exited
+        or LauncherActivityState.Failed
+        or LauncherActivityState.Cancelled);
+}
+
+public sealed record LauncherStateSnapshot(
+    IReadOnlyList<LauncherServerSnapshot> Servers,
+    IReadOnlyList<LauncherSessionSnapshot> Sessions,
+    LauncherPlatformCapabilities Platform,
+    bool IsInstallationReady,
+    string InstallationStatus);
+
+public sealed class LauncherOperationException : Exception
+{
+    public LauncherOperationException(string message)
+        : base(message)
+    {
+    }
+}