From 16e98e89310cd562ff5aac468a15fd5cb7e0a9fc Mon Sep 17 00:00:00 2001
From: Brian Love <brian@liveloveapp.com>
Date: Sat, 6 Jun 2026 20:46:17 -0700
Subject: [PATCH] docs(a2ui): document A2uiTheme fields in schema reference

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
---
 apps/website/content/docs/a2ui/reference/schema.mdx | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/apps/website/content/docs/a2ui/reference/schema.mdx b/apps/website/content/docs/a2ui/reference/schema.mdx
index 047024336..9ddf6ebda 100644
--- a/apps/website/content/docs/a2ui/reference/schema.mdx
+++ b/apps/website/content/docs/a2ui/reference/schema.mdx
@@ -178,6 +178,16 @@ interface A2uiSurface {
 }
 ```
 
+`A2uiTheme` carries optional, agent-supplied presentation hints:
+
+```ts
+interface A2uiTheme {
+  primaryColor?: string;
+  iconUrl?: string;
+  agentDisplayName?: string;
+}
+```
+
 This shape is not constrained to the wire format. Do not assume an agent sends it directly.
 
 ## Outbound action messages