better logging

src/index.js

@@ -2,6 +2,14 @@
  * Quote & Invoice System - Main Entry Point
  * Modularized Backend
  */
+// ── Global timestamp logger – must be first line before any require ──
+const _ts = () => new Date().toISOString().replace('T', ' ').substring(0, 19);
+const _origLog   = console.log.bind(console);
+const _origWarn  = console.warn.bind(console);
+const _origError = console.error.bind(console);
+console.log   = (...a) => _origLog(`[${_ts()}]`, ...a);
+console.warn  = (...a) => _origWarn(`[${_ts()}]`, ...a);
+console.error = (...a) => _origError(`[${_ts()}]`, ...a);
 const express = require('express');
 const path = require('path');
 const puppeteer = require('puppeteer');