const http = require('http'); const data = JSON.stringify({ id: "default_user", height: 175, weight: 70, age: 30, gender: "male", activityLevel: "light", goal: "maintain", bmi: 22.8, tdee: 2000, targetCalories: 2000, targetProtein: 100, targetFat: 50, targetCarbs: 250, targetWater: 2000 }); const req = http.request({ hostname: 'localhost', port: 3131, path: '/api/profile', 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();