激进的更新

LanMountainDesktop.Launcher/Services/OobeStateService.cs

@@ -0,0 +1,29 @@
+namespace LanMountainDesktop.Launcher.Services;
+
+internal sealed class OobeStateService
+{
+    private readonly string _markerPath;
+
+    public OobeStateService(string appRoot)
+    {
+        var stateDir = Path.Combine(appRoot, ".launcher", "state");
+        Directory.CreateDirectory(stateDir);
+        _markerPath = Path.Combine(stateDir, "first_run_completed");
+    }
+
+    public bool IsFirstRun()
+    {
+        return !File.Exists(_markerPath);
+    }
+
+    public void MarkCompleted()
+    {
+        var dir = Path.GetDirectoryName(_markerPath);
+        if (!string.IsNullOrWhiteSpace(dir))
+        {
+            Directory.CreateDirectory(dir);
+        }
+
+        File.WriteAllText(_markerPath, DateTimeOffset.UtcNow.ToString("O"));
+    }
+}