EM-TEC-10 · Subject model · W2

Operational change and on-call duty

Change request, approval decision, window, execution, rollback and on-call schedule. Person assignment and release are delegated to their own models.

Partially published; research continues

Claude: complete-frozen-study; Grok: prompt-ready-awaiting-action-time-confirmation.

Published results

Research note, in Russian: Canonical/runtime promotion remains governed by the package allocation, identity and dependency holds.

Subject boundary and candidate types

Deep research questions

Verifiable invariants

End-to-end acceptance scenario

A change with two windows, a failed rollout and an on-call handover preserves authorization and rollback evidence.

Negative case

A person on the on-call schedule receives all administrative rights.

Approaches to compare

Candidates in the live catalogue

The boundary and the reuse / extension / new model route are not chosen yet.

Result requirements

Every card is executed together with the full research contract: definitions, fields and cardinalities, lifecycle, sources, data mastership, rights, the five object facets, at least eight invariants, positive and negative examples, dependencies, migration and applicability limits.

Machine-readable assignment JSON