Function architect_configure_llm_vendor_connection 

pub(super) fn architect_configure_llm_vendor_connection(
    store: &ArchitectStore,
    llm_vendor_id: &str,
    llm_vendor_kind: &str,
    display_name: &str,
    model_id: &str,
    base_url: &str,
    enabled: &str,
) -> Result<(), i32>

Saves validated non-secret LLM vendor settings through the selected database adapter.