fixed config call

gen_pc_sidecar.php

@@ -170,8 +170,7 @@ function pull_mac_list(): array {
 }
 
 
-function read_config_json_file(string $path): array {
-    global $COFNIG_PATH;
+function read_config_json_file($path){
     if (!is_file($path)) {
         throw new RuntimeException("Config file not found: {$path}");
     }
@@ -211,8 +210,9 @@ function read_config_json($key) {
     return $items;
 }
 
-function read_config_json_string(array $config, string $key): string {
-    $value = $config[$key] ?? '';
+function read_config_json_string($key) {
+    global $CONFIG;
+    $value = $CONFIG[$key] ?? '';
     return strtolower(trim((string)$value));
 }