//! Core traits and abstractions for llm-connector
//!
//! This module provides the fundamental abstractions for the two-tier architecture:
//! - Protocols: Pure API specifications (OpenAI, Anthropic)
//! - Providers: Service implementations (Aliyun, Zhipu, Ollama)
// Re-export core traits
pub use Protocol;
pub use Provider;
pub use HttpTransport;
pub use ErrorMapper;