Create .baremetal file on internal system. Hide install to disk if already installed.

usr/local/bin/game_launcher.py

@@ -1083,8 +1083,8 @@ if __name__ == "__main__":
     # Add system section
     menu.add_section("System")
     
-    # Add installer only on x86_64
-    if platform.machine() == "x86_64":
+    # Add installer only on x86_64 and if not already installed (no .baremetal file)
+    if platform.machine() == "x86_64" and not os.path.exists("/home/stormux/.baremetal"):
         menu.add_item("System", "Install System to Hard Drive", "GAME='Install to Disk' /home/stormux/.clirc")
     
     menu.add_item("System", "Internet Configuration", "GAME=\"Network Configuration\" /home/stormux/.clirc")

usr/local/bin/install_to_disk.sh

@@ -355,6 +355,13 @@ if sudo mount "$TARGET_ROOT_PART" "$TEMP_MOUNT" 2>/dev/null; then
     # Remove any USB-specific markers
     sudo rm -f "$TEMP_MOUNT/home/stormux/.firstboot" 2>/dev/null || true
     
+    # Create .baremetal marker file to indicate installed system
+    echo "Creating baremetal system marker..."
+    sudo touch "$TEMP_MOUNT/home/stormux/.baremetal"
+    sudo chown stormux:stormux "$TEMP_MOUNT/home/stormux/.baremetal" 2>/dev/null || true
+    # Set immutable attribute to prevent accidental deletion
+    sudo chattr +i "$TEMP_MOUNT/home/stormux/.baremetal" 2>/dev/null || echo "Warning: Could not set immutable attribute on .baremetal"
+    
     # Update /etc/fstab with new UUIDs
     if [[ ${#uuid_mappings[@]} -gt 0 ]]; then
         update_fstab_uuids "$TEMP_MOUNT" "${uuid_mappings[@]}"