Header presence policy: which facets a request carries, from its identity,
endpoint family and explicit features only, plus the one process fact it
renders. It never sees raw headers, URLs or session state (the edge
normalizes those into the three request dimensions) and never renders values
(the providers in facets.ts do).
Header presence policy: which facets a request carries, from its identity, endpoint family and explicit features only, plus the one process fact it renders. It never sees raw headers, URLs or session state (the edge normalizes those into the three request dimensions) and never renders values (the providers in
facets.tsdo).