Function generateCacheKey

generateCacheKey(config: HashConfig): string
Generates a SHA-256 cache key from the normalized request body and headers.

The hash includes:
- Normalized (sorted) JSON body
- Authorization header (to prevent data leakage between API keys)
Parameters
- config: HashConfig
  The hash configuration
Returns string
A hex-encoded SHA-256 hash string
- Defined in src/core/hasher.ts:77