Fix deployed data rendering and database fallback

webgis-v3/api/index.php

@@ -28,6 +28,7 @@ $action   = $segments[2] ?? null;
 
 // Coba koneksi DB — jika gagal, pakai demo mode
 $dbOk = false;
+$dbError = '';
 try {
     require_once __DIR__ . '/../config/database.php';
     $testDb = getDB();
@@ -37,10 +38,21 @@ try {
 } catch (Throwable $e) {
     // DB tidak tersedia — pakai demo mode
     $dbOk = false;
+    $dbError = $e->getMessage();
 }
 
 // ── DEMO MODE (tanpa database) ──────────────────────────────
 if (!$dbOk) {
+    if (!in_array($method, ['GET', 'OPTIONS'], true)) {
+        http_response_code(503);
+        echo json_encode([
+            'success' => false,
+            'message' => 'Database belum siap, data tidak bisa disimpan. Periksa DB_HOST, DB_USER, DB_PASSWORD, dan schema webgis_kemiskinan.',
+            'errors' => ['database' => $dbError],
+        ], JSON_UNESCAPED_UNICODE);
+        exit;
+    }
+
     demoRouter($resource, $id, $action, $method);
     exit;
 }