Fix: Convert 03PovertyMapping from submodule to regular folder

03PovertyMapping/middleware/Response.php

@@ -0,0 +1,47 @@
+<?php
+// ============================================================
+// middleware/Response.php
+// ============================================================
+declare(strict_types=1);
+
+class Response
+{
+    public static function json(mixed $data, int $status = 200): never
+    {
+        // Clear any output buffer first
+        if (ob_get_level()) {
+            ob_end_clean();
+        }
+        http_response_code($status);
+        header('Content-Type: application/json; charset=utf-8');
+        echo json_encode($data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+        exit;
+    }
+
+    public static function success(mixed $data = null, string $message = 'OK', int $status = 200): never
+    {
+        self::json(['success' => true, 'message' => $message, 'data' => $data], $status);
+    }
+
+    public static function created(mixed $data, string $message = 'Created'): never
+    {
+        self::success($data, $message, 201);
+    }
+
+    public static function error(string $message, int $status = 400, mixed $errors = null): never
+    {
+        $body = ['success' => false, 'message' => $message];
+        if ($errors !== null) $body['errors'] = $errors;
+        self::json($body, $status);
+    }
+
+    public static function notFound(string $message = 'Resource not found'): never
+    {
+        self::error($message, 404);
+    }
+
+    public static function methodNotAllowed(): never
+    {
+        self::error('Method not allowed', 405);
+    }
+}