dsh-web-fetch-enhanced

The HTTP URL policy, DNS64 discovery, address-pinned Undici transport, redirect
handling, bounded body reader, and error classification in this project are
based in part on @deepseek-ai/dsh-web-fetch-http from DeepSeek Harness:

  https://github.com/deepseek-ai/deepseek-harness

DeepSeek Harness is distributed under the MIT License.
Copyright (c) 2026 DeepSeek.

This project modifies that design to support explicit operator-configured CIDR
and hostname exceptions for non-public destinations. The project is not an
official DeepSeek package unless explicitly stated by its publisher.