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The SDK auto-detects provider type from the client object. No configuration needed.

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Supported providers

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How it works

The SDK uses JavaScript Proxy to intercept LLM client methods. When you call client.chat.completions.create(...), the proxy:
  1. Runs all pre-hooks on the request
  2. If no hook blocks → calls the original LLM method
  3. Runs all post-hooks on the response
  4. Returns the (potentially modified) response
The original client API is fully preserved — method signatures, return types, streaming, everything works as expected.