From 21e424779b19ad2d4da2e14c5a91e072edb5f94c Mon Sep 17 00:00:00 2001
From: James Loope <cronus@stolenshoe.com>
Date: Wed, 31 Dec 2025 10:19:44 -0800
Subject: [PATCH] fix: add null check for tool_graph depends_on field

Signed-off-by: James Loope <cronus@stolenshoe.com>
---
 ui/desktop/src/components/ToolCallWithResponse.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ui/desktop/src/components/ToolCallWithResponse.tsx b/ui/desktop/src/components/ToolCallWithResponse.tsx
index 63c5d4d005..53d3b3b704 100644
--- a/ui/desktop/src/components/ToolCallWithResponse.tsx
+++ b/ui/desktop/src/components/ToolCallWithResponse.tsx
@@ -22,7 +22,7 @@ import McpAppRenderer from './McpApps/McpAppRenderer';
 interface ToolGraphNode {
   tool: string;
   description: string;
-  depends_on: number[];
+  depends_on?: number[];
 }
 
 type UiMeta = {
@@ -737,7 +737,7 @@ function ToolGraphView({ toolGraph, code }: ToolGraphViewProps) {
 
     toolGraph.forEach((node, index) => {
       const deps =
-        node.depends_on.length > 0 ? ` (uses ${node.depends_on.map((d) => d + 1).join(', ')})` : '';
+        node.depends_on && node.depends_on.length > 0 ? ` (uses ${node.depends_on.map((d) => d + 1).join(', ')})` : '';
       lines.push(`${index + 1}. ${node.tool}: ${node.description}${deps}`);
     });