From 2fae1b97f4d0c6feb1fd639ff33c16bed86402c8 Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Thu, 2 Apr 2026 06:08:55 +0000
Subject: [PATCH] fix: add explicit type for modelId GraphQL arg

NestJS GraphQL requires explicit type annotations for nullable
string parameters.

https://claude.ai/code/session_01EcJHCeJy44AKw2rafgQcnu
---
 .../ai/ai-chat/resolvers/agent-chat.resolver.ts                | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/twenty-server/src/engine/metadata-modules/ai/ai-chat/resolvers/agent-chat.resolver.ts b/packages/twenty-server/src/engine/metadata-modules/ai/ai-chat/resolvers/agent-chat.resolver.ts
index 35cf0d6fd9f..12cd337c8ec 100644
--- a/packages/twenty-server/src/engine/metadata-modules/ai/ai-chat/resolvers/agent-chat.resolver.ts
+++ b/packages/twenty-server/src/engine/metadata-modules/ai/ai-chat/resolvers/agent-chat.resolver.ts
@@ -125,7 +125,8 @@ export class AgentChatResolver {
     @Args('messageId', { type: () => UUIDScalarType }) messageId: string,
     @Args('browsingContext', { type: () => GraphQLJSON, nullable: true })
     browsingContext: BrowsingContextType | null,
-    @Args('modelId', { nullable: true }) modelId: string | undefined,
+    @Args('modelId', { type: () => String, nullable: true })
+    modelId: string | undefined,
     @AuthUserWorkspaceId() userWorkspaceId: string,
     @AuthWorkspace() workspace: WorkspaceEntity,
   ): Promise<SendChatMessageResultDTO> {