INIT

backend/server.ts

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+import { Hono } from 'hono';
+import { serveStatic } from 'hono/bun';
+import fs from 'fs';
+// @ts-ignore Bun project may not have dotenv types configured
+import { config } from 'dotenv';
+
+config();
+
+const app = new Hono();
+
+// Minimal log helpers
+const logLine = (path: string, line: string) => {
+  try {
+    fs.appendFileSync(path, `${new Date().toISOString()} ${line}\n`);
+  } catch (err) {
+    console.error('Failed to write log:', err);
+  }
+};
+
+// Serve static files from the frontend directory
+app.use('/*', serveStatic({ root: './frontend' }));
+
+// Error handler
+app.onError((err, c) => {
+  logLine('logs/error.log', `Unhandled error: ${err?.message || err}`);
+  return c.text('Internal Server Error', 500);
+});
+
+// Mutation logging endpoint
+app.post('/log-change', async (c) => {
+  try {
+    const body = await c.req.json();
+    const { action = 'unknown', user = 'unknown', target = '', detail = '' } = body || {};
+    const payload = JSON.stringify({ action, user, target, detail });
+    logLine('logs/changes.log', payload);
+    return c.json({ status: 'ok' });
+  } catch (err) {
+    logLine('logs/error.log', `log-change error: ${(err as Error)?.message || String(err)}`);
+    return c.text('Bad Request', 400);
+  }
+});
+
+const PORT = Number(process.env.PORT || 3000);
+
+logLine('logs/server.log', `Starting frontend server on port ${PORT}`);
+
+// Graceful shutdown logging
+const shutdown = (signal: string) => {
+  logLine('logs/server.log', `Shutting down due to ${signal}`);
+  process.exit(0);
+};
+process.on('SIGINT', () => shutdown('SIGINT'));
+process.on('SIGTERM', () => shutdown('SIGTERM'));
+
+export default {
+  port: PORT,
+  fetch: app.fetch,
+};