From 09150c2a7d68d133bf43e5992f6f75802270b5f0 Mon Sep 17 00:00:00 2001
From: "tao.chen" <93983997+taochen-ct@users.noreply.github.com>
Date: Fri, 3 Jul 2026 14:47:43 +0800
Subject: [PATCH] fix(web): enable websocket proxying in vite dev server

Co-Authored-By: Claude <noreply@anthropic.com>
---
 web/vite.config.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/web/vite.config.ts b/web/vite.config.ts
index f3908f8..a088776 100644
--- a/web/vite.config.ts
+++ b/web/vite.config.ts
@@ -18,7 +18,9 @@ export default defineConfig({
   },
   server: {
     proxy: {
-      "/api": { target: backendTarget, changeOrigin: true },
+      // ws:true is required for the terminal WebSocket to be proxied to the
+      // Go backend in dev. http-only proxies strip the Upgrade header.
+      "/api": { target: backendTarget, changeOrigin: true, ws: true },
       "/healthz": { target: backendTarget, changeOrigin: true },
     },
   },