## Project vocabulary — canonical terms: use VERBATIM in any language, marked `like this` ```text «app-contract» `reference` a NURI that names a document and grants nothing — what an application circulates (never: link, lien, share-link · see: contract_polyfill-surface) `ReadCap` upstream's word for what opens a document — a reference carrying its secret (never: token, credential, permission) `polyfill-era` a published symbol with no counterpart in the target SDK, deleted at migration (never: transitional, shim-only · see: knowledge_what-an-app-deletes-at-migration) «e2e-harness» `journey` one named end-to-end story in the applicative suite, reported pass or fail as a whole (never: scenario, test case, spec) `batch` one run of a suite, which mints its own physical user and discards the previous one (never: session, campaign) «sign-in» `settle` decide which identity is acting, from the URL, storage, or the barrier — needs no session (never: resolve identity, determine user, login · see: knowledge_settling-is-not-connecting) `barrier` the full-screen overlay this package mounts to hand out the wallet and take an identifier (never: modal, popup, login screen) ```