Apply tenant and document grants before retrieval ranking
A highly relevant private guide appears in another tenant's search results.
- Focused work estimate
- 3h 30m + prerequisites
- Priority in the scenario
- High
- Engineering practice
- Authorization · Retrieval
Estimated field mix
- Security60%
- Applied AI40%
Field percentages are editorial estimates of the ticket's engineering focus. They total 100%; they are not measured time, proficiency scores, or ownership evidence.
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Project context
A fictional internal support team needs answers from product guides. Some guides are outdated or restricted, and fluent unsupported answers would create operational mistakes.
Setup prerequisites
- Author a synthetic document collection with two tenants, conflicting versions, and a deterministic model double; no model account required.
Preceding work
Complete these dependencies, or supply their agreed outputs before taking this ticket.
Acceptance criteria
- Scope candidate sources before scoring.
- Recheck grants before returning retrieved text.
- Ensure denied sources do not influence snippets or counts.
Implementation constraints
- Authorization belongs in the retrieval service boundary.
Verification to include
- Retrieve an authorized guide.
- Query an identical restricted guide from another tenant and verify no disclosure.
Deliverables
- Scoped retriever.
Rollout and recovery
Fail closed on unknown grants; disable assistant responses if retrieval authorization fails.
Value of the work
For the engineer: Practice retrieval boundaries, citation validation, and deterministic evaluation.
For the team: Create a reviewable assistant prototype with clear refusal, cost, and freshness behavior.
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.