From 47d1b37ba386cf9ae9e20f66cc62c09a9f0ec800 Mon Sep 17 00:00:00 2001
From: Anton Pidkuiko <105124934+antonpk1@users.noreply.github.com>
Date: Mon, 8 Dec 2025 01:14:33 +0000
Subject: [PATCH] fix: remove 'system' from theme type (#79)
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Remove 'system' option from theme, leaving only 'light' | 'dark'.

This aligns the SDK with:
- The spec (which already only has light/dark)
- OpenAI Apps SDK compatibility

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude <noreply@anthropic.com>
---
 src/types.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/types.ts b/src/types.ts
index 2f90f75..85ab9b9 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -425,7 +425,7 @@ export interface McpUiHostContext {
    * Current color theme preference.
    * @example "dark"
    */
-  theme?: "light" | "dark" | "system";
+  theme?: "light" | "dark";
   /**
    * How the UI is currently displayed.
    * @example "inline"