Process a search query using GroundX and OpenAI.

Args:
    query: The search query string
    config: Optional SearchConfig object for customization

Returns:
    SearchResponse object containing the query, score, and result

Searches and retrieves relevant context from a knowledge base,
based on the user's query.
Args:
    query: The search query supplied by the user.
Returns:
    str: Relevant text content that can be used by the LLM to answer the query.

Ingest documents from a local file into the knowledge base.
Args:
    local_file_path: The path to the local file containing the documents to ingest.
Returns:
    str: A message indicating the documents have been ingested.