feat(launcher): Campaign LA add Avalonia desktop shell

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

@@ -0,0 +1,87 @@
+using AcDream.Launcher.Core.Launching;
+using AcDream.Launcher.Core.Profiles;
+
+namespace AcDream.Launcher.Core.Orchestration;
+
+/// <summary>
+/// Canonical state/mutation surface projected by the Avalonia launcher. The UI
+/// never owns a second profile document, process map, status tail, or launch
+/// transaction; it asks for immutable snapshots and sends typed mutations here.
+/// </summary>
+public interface ILauncherOrchestrator : IDisposable
+{
+    event EventHandler? StateChanged;
+
+    void LoadProfiles();
+
+    LauncherStateSnapshot GetSnapshot();
+
+    LauncherCapability GetLaunchCapability(LaunchMode mode);
+
+    LauncherCapability GetProbeCapability(string serverName, string accountName);
+
+    void SetInstallRecord(LauncherInstallRecord? installRecord);
+
+    void AddServer(string name, string host, int port);
+
+    void EditServer(string name, string newName, string newHost, int newPort);
+
+    void RemoveServer(string name);
+
+    void AddAccount(string serverName, string accountName, string password);
+
+    void EditAccount(
+        string serverName,
+        string accountName,
+        string newAccountName,
+        string? newPassword);
+
+    void RemoveAccount(string serverName, string accountName);
+
+    void AddCharacter(
+        string serverName,
+        string accountName,
+        string characterName,
+        string? characterId);
+
+    void EditCharacterIdentity(
+        string serverName,
+        string accountName,
+        string characterName,
+        string newCharacterName,
+        string? newCharacterId);
+
+    void UpdateCharacterSettings(
+        string serverName,
+        string accountName,
+        string characterName,
+        LaunchMode launchMode,
+        IReadOnlyList<string> plugins,
+        IReadOnlyList<string> loginCommands);
+
+    void RemoveCharacter(
+        string serverName,
+        string accountName,
+        string characterName);
+
+    Task<LauncherSessionSnapshot> LaunchAsync(
+        string serverName,
+        string accountName,
+        string characterName,
+        LaunchMode mode,
+        CancellationToken cancellationToken = default);
+
+    Task<LauncherSessionSnapshot> ProbeAsync(
+        string serverName,
+        string accountName,
+        CancellationToken cancellationToken = default);
+
+    Task StopSessionAsync(
+        string sessionId,
+        TimeSpan timeout,
+        CancellationToken cancellationToken = default);
+
+    void PollStatus();
+
+    void ClearFinishedSessions();
+}