feat: initial release of interactive electrical circuit & panel mapper

app.js

@@ -0,0 +1,41 @@
+'use strict';
+
+const path = require('path');
+const express = require('express');
+const conf = require('./conf/base');
+const { seedDatabase } = require('./lib/seed');
+
+// Initialize database with initial seed if empty
+seedDatabase();
+
+const app = express();
+
+// Middleware
+app.use(express.json({ limit: '10mb' }));
+app.use(express.urlencoded({ extended: true }));
+
+// Static files
+app.use('/static', express.static(path.join(__dirname, 'public')));
+
+// View engine
+app.set('views', path.join(__dirname, 'views'));
+app.set('view engine', 'ejs');
+
+// Routes
+app.use('/', require('./routes/render'));
+app.use('/api', require('./routes/api'));
+
+// 404 handler
+app.use((req, res, next) => {
+  res.status(404).json({ error: 'Endpoint Not Found' });
+});
+
+// Error handler
+app.use((err, req, res, next) => {
+  console.error('Server error:', err);
+  res.status(err.status || 500).json({
+    error: err.message || 'Internal Server Error'
+  });
+});
+
+module.exports = app;