diff --git a/ai-agent/open-browser/src/llm/index.ts b/ai-agent/open-browser/src/llm/index.ts
index 9d2e684..4cb61cf 100644
--- a/ai-agent/open-browser/src/llm/index.ts
+++ b/ai-agent/open-browser/src/llm/index.ts
@@ -1,3 +1,4 @@
 export { LLMClient, LLMConfig, Message } from './client.js';
 export { SYSTEM_PROMPT, getSystemPrompt } from './prompts.js';
-export { compactMessages, estimateMessageTokens, truncateToolResult, ContextConfig } from './context.js';
+export { compactMessages, estimateMessageTokens, truncateToolResult } from './context.js';
+export type { ContextConfig } from './context.js';