Respect HF_ENDPOINT for env.remoteHost#1713
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Background
Some enterprise deployments route Hugging Face traffic through an internal proxy or self-hosted Hub, for example to allow only approved models. Today, Transformers.js initializes
env.remoteHosttohttps://huggingface.co/, so Node.js users targeting those deployments need to overrideenv.remoteHostmanually in code.Change
This changes the default to read
process.env.HF_ENDPOINTwhen present, and fall back tohttps://huggingface.co/otherwise. This follows the existing environment variable pattern used for Hub auth tokens while preserving the current default behavior.Tests
Adds a focused
env.test.jscovering both the fallback andHF_ENDPOINTcases.