API 관련 수정

app/Filters/JavascriptInjector.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Filters;
+
+use CodeIgniter\Filters\FilterInterface;
+use CodeIgniter\HTTP\RequestInterface;
+use CodeIgniter\HTTP\ResponseInterface;
+
+class JavascriptInjector implements FilterInterface
+{
+    public function before(RequestInterface $request, $arguments = null)
+    {
+        // 실행 전 로직 불필요
+    }
+
+    public function after(RequestInterface $request, ResponseInterface $response, $arguments = null)
+    {
+        // HTML 응답일 때만 실행
+        if (strpos($response->getHeaderLine('Content-Type'), 'text/html') === false) return;
+
+        // .env에서 서버 이름 가져오기 (없으면 'Unknown' 또는 컨테이너ID)
+        $serverAlias = env('APP_SERVER_NAME') ?? gethostname();
+        $envMode = ENVIRONMENT; 
+
+        $scriptTag = "
+        <script>
+            var SERVER_INFO = {
+                alias: '{$serverAlias}',
+                env: '{$envMode}'
+            };
+        </script>
+        <script src='/common/js/de.js'></script>";
+
+        $body = $response->getBody();
+        if (strpos($body, '</body>') !== false) {
+            $response->setBody(str_replace('</body>', $scriptTag . '</body>', $body));
+        }
+    }
+}