feat: system settings stored as applets in virtual folder

programs/src/desktop/apps/filemanager/app.cpp

@@ -8,6 +8,17 @@
 
 namespace filemanager {
 
+static bool filemanager_open_virtual_path(FileManagerState* fm, const char* path) {
+    if (!fm || !path) return false;
+
+    if (montauk::streq(path, FILEMANAGER_PATH_SYSTEM_CONFIGURATION)) {
+        filemanager_read_virtual_view(fm, FM_VIRTUAL_VIEW_SYSTEM_TOOLS);
+        return true;
+    }
+
+    return false;
+}
+
 static void open_filemanager_internal(DesktopState* ds, const char* initial_path) {
     int idx = desktop_create_window(ds, "Files", 150, 120, 560, 420);
     if (idx < 0) return;
@@ -27,13 +38,17 @@ static void open_filemanager_internal(DesktopState* ds, const char* initial_path
     ensure_filemanager_icons_loaded(ds);
 
     if (initial_path && initial_path[0] != '\0') {
-        int probe_fd = montauk::open(initial_path);
-        if (probe_fd >= 0) {
-            montauk::close(probe_fd);
-            montauk::strncpy(fm->current_path, initial_path, sizeof(fm->current_path));
-            filemanager_read_dir(fm);
+        if (filemanager_open_virtual_path(fm, initial_path)) {
+            // Virtual view already loaded.
         } else {
-            filemanager_read_drives(fm);
+            int probe_fd = montauk::open(initial_path);
+            if (probe_fd >= 0) {
+                montauk::close(probe_fd);
+                montauk::strncpy(fm->current_path, initial_path, sizeof(fm->current_path));
+                filemanager_read_dir(fm);
+            } else {
+                filemanager_read_drives(fm);
+            }
         }
     } else {
         filemanager_read_drives(fm);
@@ -59,6 +74,9 @@ void ensure_filemanager_icons_loaded(DesktopState* ds) {
     ds->icon_home_folder_lg = svg_load("0:/icons/folder-blue-home.svg", 48, 48, defColor);
     ds->icon_apps           = svg_load("0:/icons/folder-blue-development.svg", 16, 16, defColor);
     ds->icon_apps_lg        = svg_load("0:/icons/folder-blue-development.svg", 48, 48, defColor);
+    ds->icon_system_tools_menu = svg_load("0:/icons/preferences-system.svg", 20, 20, defColor);
+    ds->icon_system_tools   = svg_load("0:/icons/preferences-system.svg", 16, 16, defColor);
+    ds->icon_system_tools_lg = svg_load("0:/icons/preferences-system.svg", 48, 48, defColor);
 
     for (int sf = 0; sf < filemanager::SF_COUNT; sf++) {
         char icon_path[128];