refresh issues

backend/src/app.js

@@ -137,3 +137,14 @@ app.listen(PORT, '0.0.0.0', () => {
   console.log(`TurfTracker API server running on port ${PORT}`);
   console.log(`Environment: ${process.env.NODE_ENV || 'development'}`);
 });
+// Disable etags and set no-store by default to avoid stale cached API responses
+app.set('etag', false);
+
+app.use((req, res, next) => {
+  // Allow icon proxy to control its own caching
+  if (req.path && req.path.startsWith('/api/weather/icon')) return next();
+  res.setHeader('Cache-Control', 'no-store');
+  res.setHeader('Pragma', 'no-cache');
+  res.setHeader('Expires', '0');
+  next();
+});