upload zip archive from strava

site/astro.config.mjs

@@ -25,6 +25,27 @@ export default defineConfig({
     // In production nginx handles this — same pattern, no code change needed.
     server: {
       proxy: {
+        // SSE response to a POST — Vite's default proxy buffers the full body before
+        // forwarding, which breaks streaming and can cause EPIPE on long uploads.
+        // selfHandleResponse + manual pipe sends chunks as they arrive.
+        '/api/upload/strava-zip': {
+          target: serveTarget,
+          changeOrigin: true,
+          selfHandleResponse: true,
+          configure: (proxy) => {
+            proxy.on('proxyRes', (proxyRes, req, res) => {
+              res.writeHead(proxyRes.statusCode ?? 200, proxyRes.headers);
+              proxyRes.pipe(res, { end: true });
+            });
+            proxy.on('error', (err, _req, res) => {
+              if (err.code === 'EPIPE' || err.code === 'ECONNRESET') return;
+              if (!res.headersSent) {
+                res.writeHead(502);
+                res.end('proxy error');
+              }
+            });
+          },
+        },
         '/api': {
           target: serveTarget,
           changeOrigin: true,

site/src/layouts/Base.astro

@@ -732,6 +732,17 @@ try {
           }
         };
 
+        xhr.onload = () => {
+          // Fires when the request completes. If we already got a 'done' or 'error'
+          // SSE event via onprogress the status is already set. If not (e.g. a non-SSE
+          // error response), surface the failure.
+          if (xhr.status !== 200) {
+            zipStatus.textContent = `Upload failed (${xhr.status}).`;
+            zipStatus.style.color = '#f87171';
+            zipInput.value = '';
+          }
+        };
+
         xhr.onerror = () => {
           zipStatus.textContent = 'Upload failed — check your connection.';
           zipStatus.style.color = '#f87171';