noCV
ATENANT-101 · Inventory tenant relationships

Map tenant ownership for case-management entities

Practice briefTaskFoundational

The schema lists organization IDs on cases but not on comments or attachment relationships, leaving ownership implicit.

Focused work estimate
1h 30m + prerequisites
Priority in the scenario
Medium
Engineering practice
Relational modeling · Tenant boundaries

Estimated field mix

  • Database engineering60%
  • Security40%

Field percentages are editorial estimates of the ticket's engineering focus. They total 100%; they are not measured time, proficiency scores, or ownership evidence.

Your next step

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Project context

A fictional case-management application filters most requests correctly, but imports and background commands can connect a case to another organization's project or assignee.

Setup prerequisites

  • Create two synthetic organizations with overlapping display names.
  • Use repository-level authorization and migration-backed constraints.

Preceding work

No earlier ticket is required. Complete the project setup above.

Acceptance criteria

  • Identify the owning organization for every selected entity.
  • List relationships that must stay within one organization.
  • Separate truly global reference data from tenant data.

Implementation constraints

  • Use a bounded case/project/comment schema.

Verification to include

  • Trace ownership from a case attachment to its organization.
  • Identify an intentionally ambiguous relationship and mark it unresolved.

Deliverables

  • Tenant ownership map

Rollout and recovery

Review the map before migrations; keep ambiguous relationships out of new writes.

Value of the work

For the engineer: Practice tenant-aware keys, foreign keys and direct-write denial tests.

For the team: Review defense in depth for data isolation across ordinary and privileged writers.

Evidence boundaries

Outcome Evidence: Tests, patches, and runbooks are requested deliverables. They become Outcome Evidence only through a qualified Mission and immutable Evidence IDs.

Ownership Evidence: Independent adaptation must be observed under a declared verification policy and cite immutable Evidence IDs. Completing a planning ticket establishes no Ownership Evidence.