From 50c003e8e3cde6c479b9ce7de5c6bcdeed7dce7a Mon Sep 17 00:00:00 2001
From: Jeff Emmett <jeffemmett@gmail.com>
Date: Tue, 24 Mar 2026 12:13:44 -0700
Subject: [PATCH] fix(rdesign): catch SSE stream close errors (Cloudflare QUIC
 reset)

Add .catch() to the ReadableStream reader loop so Cloudflare QUIC
protocol resets on stream close don't surface as uncaught errors.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 modules/rdesign/mod.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/rdesign/mod.ts b/modules/rdesign/mod.ts
index 1a6ec8d..108355f 100644
--- a/modules/rdesign/mod.ts
+++ b/modules/rdesign/mod.ts
@@ -295,6 +295,10 @@ const RDESIGN_JS = `
 						}
 					}
 					read();
+				}).catch(function(e) {
+					// Stream closed (Cloudflare QUIC reset or normal close)
+					if (uiState !== 'error' && uiState !== 'done') setState('done');
+					abortController = null;
 				});
 			}
 			read();