pi-mono Deep Dive 3: pi-ai — Unifying 15+ LLM Providers, From Lazy Loading to Auto-Generated Model Catalog
pi-ai is pi-mono's anti-corruption layer: upper layers only see Message/Tool/Context/streamFunction; 15+ providers implement details underneath. This post dissects: unified interface design, Provider Factory Registry, Lazy Loading for tree-shaking, Model Catalog auto-generation, OAuth/API Key unification, Credential Sync, Thinking/Reasoning parameter standardization.