Refactor: Reorganize project structure by moving core components into dedicated directories and introducing new configuration and API models.

IO/ClipboardManager.cs

@@ -0,0 +1,53 @@
+using System.Diagnostics;
+
+namespace Toak.IO;
+
+public static class ClipboardManager
+{
+    public static void Copy(string text)
+    {
+        if (string.IsNullOrWhiteSpace(text)) return;
+        try
+        {
+            string sessionType = Environment.GetEnvironmentVariable("XDG_SESSION_TYPE")?.ToLowerInvariant() ?? "";
+            
+            ProcessStartInfo pInfo;
+            if (sessionType == "wayland")
+            {
+                pInfo = new ProcessStartInfo
+                {
+                    FileName = "wl-copy",
+                    UseShellExecute = false,
+                    CreateNoWindow = true,
+                    RedirectStandardInput = true
+                };
+            }
+            else
+            {
+                pInfo = new ProcessStartInfo
+                {
+                    FileName = "xclip",
+                    Arguments = "-selection clipboard",
+                    UseShellExecute = false,
+                    CreateNoWindow = true,
+                    RedirectStandardInput = true
+                };
+            }
+            
+            var process = Process.Start(pInfo);
+            if (process != null)
+            {
+                using (var sw = process.StandardInput)
+                {
+                    sw.Write(text);
+                }
+                process.WaitForExit();
+            }
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"[ClipboardManager] Error copying text: {ex.Message}");
+            Notifications.Notify("Clipboard Error", "Could not copy text to clipboard.");
+        }
+    }
+}