Added App Icon

SUB Control/desktop_shortcut.py

@@ -0,0 +1,21 @@
+"""Best-effort Windows first-run shortcut, including direct Python launches."""
+import os
+from pathlib import Path
+import subprocess
+
+
+def ensure_desktop_shortcut():
+    if os.name != "nt":
+        return
+    root = Path(__file__).resolve().parent
+    if (root / "runtime" / "desktop-shortcut-created.txt").exists():
+        return
+    powershell = Path(os.environ["SystemRoot"]) / "System32/WindowsPowerShell/v1.0/powershell.exe"
+    try:
+        subprocess.run(
+            [str(powershell), "-NoProfile", "-NonInteractive", "-File", str(root / "create_shortcut.ps1")],
+            cwd=root, timeout=10, check=True, capture_output=True,
+            creationflags=subprocess.CREATE_NO_WINDOW,
+        )
+    except (OSError, subprocess.SubprocessError) as error:
+        print(f"Desktop shortcut setup skipped: {error}")