fix backend bug

test-meal.cjs

@@ -0,0 +1,34 @@
+const http = require('http');
+
+const data = JSON.stringify({
+  userId: "default_user",
+  date: "2026-06-09",
+  meal: {
+    id: "test1",
+    name: "Apple",
+    time: "10:00",
+    calories: 100,
+    protein: 1,
+    fat: 0,
+    carbs: 25
+  }
+});
+
+const req = http.request({
+  hostname: 'localhost',
+  port: 3131,
+  path: '/api/logs/meal',
+  method: 'POST',
+  headers: {
+    'Content-Type': 'application/json',
+    'Content-Length': Buffer.byteLength(data)
+  }
+}, (res) => {
+  let body = '';
+  res.on('data', chunk => body += chunk);
+  res.on('end', () => console.log('Response:', res.statusCode, body));
+});
+
+req.on('error', e => console.error('Error:', e));
+req.write(data);
+req.end();