From 86f7cc17ae81fd36f3f2fce22439773002f3fd3a Mon Sep 17 00:00:00 2001
From: Dax Raad <d@ironbay.co>
Date: Wed, 10 Dec 2025 16:17:27 -0500
Subject: [PATCH] tui: pass dynamic port to frontend

Frontend now receives the server port via window.__OPENCODE__.port,
allowing it to connect when using a random free port instead of hardcoded 4096
---
 packages/desktop/src/app.tsx        | 8 +++++++-
 packages/tauri/src-tauri/src/lib.rs | 3 ++-
 packages/tauri/src/index.tsx        | 6 ------
 3 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/packages/desktop/src/app.tsx b/packages/desktop/src/app.tsx
index 0ca4d5e6b..a1ff90d26 100644
--- a/packages/desktop/src/app.tsx
+++ b/packages/desktop/src/app.tsx
@@ -15,8 +15,14 @@ import { GlobalSDKProvider } from "./context/global-sdk"
 import { SessionProvider } from "./context/session"
 import { Show } from "solid-js"
 
+declare global {
+  interface Window {
+    __OPENCODE__?: { updaterEnabled?: boolean; port?: number }
+  }
+}
+
 const host = import.meta.env.VITE_OPENCODE_SERVER_HOST ?? "127.0.0.1"
-const port = import.meta.env.VITE_OPENCODE_SERVER_PORT ?? "4096"
+const port = window.__OPENCODE__?.port ?? import.meta.env.VITE_OPENCODE_SERVER_PORT ?? "4096"
 
 const url =
   new URLSearchParams(document.location.search).get("url") ||
diff --git a/packages/tauri/src-tauri/src/lib.rs b/packages/tauri/src-tauri/src/lib.rs
index d380e3576..d79932574 100644
--- a/packages/tauri/src-tauri/src/lib.rs
+++ b/packages/tauri/src-tauri/src/lib.rs
@@ -175,7 +175,8 @@ pub fn run() {
                         .initialization_script(format!(
                             r#"
                           window.__OPENCODE__ ??= {{}};
-                          window.__OPENCODE__.updaterEnabled = {updater_enabled}
+                          window.__OPENCODE__.updaterEnabled = {updater_enabled};
+                          window.__OPENCODE__.port = {port};
                         "#
                         ));
 
diff --git a/packages/tauri/src/index.tsx b/packages/tauri/src/index.tsx
index 6b9ce88e0..c72805fe6 100644
--- a/packages/tauri/src/index.tsx
+++ b/packages/tauri/src/index.tsx
@@ -47,12 +47,6 @@ const platform: Platform = {
   },
 }
 
-declare global {
-  interface Window {
-    __OPENCODE__?: { updaterEnabled?: boolean }
-  }
-}
-
 render(() => {
   onMount(() => {
     if (window.__OPENCODE__?.updaterEnabled) runUpdater()