[WIP] fix: authentication when booting into GUI mode

api/dev/Unraid.net/myservers.cfg

@@ -1,5 +1,5 @@
 [api]
-version="4.6.6"
+version="4.4.1"
 extraOrigins="https://google.com,https://test.com"
 [local]
 sandbox="yes"

api/dev/states/myservers.cfg

@@ -1,5 +1,5 @@
 [api]
-version="4.6.6"
+version="4.7.0"
 extraOrigins="https://google.com,https://test.com"
 [local]
 sandbox="yes"

api/src/core/utils/validation/is-gui-mode.ts

@@ -0,0 +1,21 @@
+import { execa } from 'execa';
+
+import { internalLogger } from '@app/core/log.js';
+
+/**
+ * Check if Unraid is in GUI mode by looking for the slim process.
+ * @returns true if Unraid is in GUI mode, false otherwise.
+ */
+const isGuiMode = async (): Promise<boolean> => {
+    try {
+        // Use pgrep to check if slim process is running
+        const { exitCode } = await execa('pgrep', ['slim'], { reject: false });
+        // exitCode 0 means process was found, 1 means not found
+        return exitCode === 0;
+    } catch (error) {
+        internalLogger.error('Error checking GUI mode: %s', error);
+        return false;
+    }
+};
+
+export default isGuiMode;