ADR-033: PDI-Immune ServiceNow Identity — Versioned Natural Keys + Server-Enforced Deletion Policy
Make ServiceNow entity identity PDI-independent (versioned typed natural keys) and move deletion protection to a server-enforced per-tenant policy, so a curated demo tenant survives any PDI change with zero manual steps. Executed on dev 2026-07-24 (manifest 25bfda55…) and independently re-verified 2026-07-27; 91 legacy entities re-keyed, 10-entity protected floor intact, zero active-graph dangling references.