// Test LLM native functions (with ANTHROPIC_API_KEY in env)
let models: List = llm_models()
println("Available models: " + int_to_str(list_len(models)))

// This test skips actual API calls since they need env vars
// Just verify the functions exist and don't crash on missing keys
let missing_key_result: String = llm_call("claude", "ping")
println("llm_call returned (may be error without API key): " + str_slice(missing_key_result, 0, 50))

println("LLM function registration: OK")