Refactor configuration handling: implement dynamic loading of config and cache paths for improved security and flexibility in Docker environments

scripts/dev-router.php

@@ -24,4 +24,14 @@ if (preg_match($blocked, $path)) {
 	return true;
 }
 
+// Apache (mod_dir) redirects /admin to /admin/; the built-in server just
+// serves admin/index.php at /admin. Every relative link on that page then
+// resolves against / instead of /admin/ — "menu.php" lands on the public
+// menu, "users.php" 404s. Match Apache so dev behaves like production.
+if ($path !== '/' && !str_ends_with($path, '/') && is_dir(__DIR__ . '/..' . $path)) {
+	$query = parse_url($_SERVER['REQUEST_URI'] ?? '', PHP_URL_QUERY);
+	header('Location: ' . $path . '/' . ($query ? '?' . $query : ''), true, 301);
+	return true;
+}
+
 return false;