The Honcho provider page documented the per-profile peer model (user
peer / AI peer / observation) but never the gateway axis — how platform
runtime IDs map to peers. Adds the three keys to the config table and a
short Gateway identity mapping subsection that points at the Honcho page
for the resolver ladder.
Uses the corrected pinUserPeer wording (pins non-agent users, overrides
aliases) so the provider-comparison reader gets the same accurate framing
as the dedicated page.
Erosika
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