//! LLM Provider abstraction — swap backends without changing agent logic.
//! Enable only what you need via Cargo features.
// Always available
// OpenAI-compat covers: openai, openrouter, groq, together, mistral, deepseek,
// fireworks, perplexity, xai, moonshot, venice, huggingface, siliconflow,
// cerebras, minimax, vercel, cloudflare, and any custom endpoint
pub use ;