fix netlify deploy output and uploads (#2107)

Co-authored-by: embire2 <ceo@openweb.co.za>

app/components/deploy/deployUtils.ts

@@ -0,0 +1,15 @@
+const MAX_BUILD_OUTPUT_CHARS = 4000;
+
+export function formatBuildFailureOutput(output?: string) {
+  const trimmed = output?.trim();
+
+  if (!trimmed) {
+    return 'Build failed with no output captured.';
+  }
+
+  if (trimmed.length <= MAX_BUILD_OUTPUT_CHARS) {
+    return trimmed;
+  }
+
+  return `Build output (truncated):\n${trimmed.slice(-MAX_BUILD_OUTPUT_CHARS)}`;
+}