The architecture requires every classification tier to influence what the system may return or change so that retrieval and modification behavior is constrained by governance classification.

Every classification tier influences what the system may return or change.

— Beyond Retrieval - Pyrana Context Engine Whitepaper.pdf

linked to verbatim evidence, classification tier, lifecycle state, and graph context

— Beyond Retrieval - Pyrana Context Engine Whitepaper.pdf

proposes governed updates back into the corpus

— Beyond Retrieval - Pyrana Context Engine Whitepaper.pdf