update pb collection and versioning setting is now in don in package.json

backend/server.ts

@@ -17,6 +17,18 @@ const logLine = (path: string, line: string) => {
   }
 };
 
+// Version endpoint sourced from package.json
+app.get('/version', (c) => {
+  try {
+    const pkgRaw = fs.readFileSync('./package.json', 'utf-8');
+    const pkg = JSON.parse(pkgRaw);
+    return c.json({ version: pkg.version || '0.0.0' });
+  } catch (err) {
+    logLine('logs/error.log', `version endpoint error: ${(err as Error)?.message || String(err)}`);
+    return c.json({ version: '0.0.0' }, 200);
+  }
+});
+
 // Serve static files from the frontend directory
 app.use('/*', serveStatic({ root: './frontend' }));