When the user asks about topics that may be covered in their knowledge base, use the search_knowledge tool to retrieve relevant information.

Look at the "Knowledge Base" section in your instructions to see what documents are available.

Use this tool when:
- The user asks about a topic that matches a knowledge base entry
- The user explicitly asks to search their knowledge
- You need factual information that may be stored in an uploaded document or URL

Search query: {query}
Max results: {limit}
