Explain unavailable parts in bookmarked directory links
An old part bookmark renders a blank page. Distinguish removal from failed loading.
- Focused work estimate
- 2h + prerequisites
- Priority in the scenario
- Medium
- Engineering practice
- Error handling · URL safety
Estimated field mix
- Frontend70%
- Security30%
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
Fictional workshop directory Cedar lists tools and spare parts using a local search adapter.
Setup prerequisites
- Create synthetic items with stable identifiers.
- Stub cursor pages, facets, delayed responses and missing items.
Preceding work
Complete these dependencies, or supply their agreed outputs before taking this ticket.
Acceptance criteria
- Missing and failed reads differ
- Return preserves valid search
- External return targets are rejected
Implementation constraints
- Allowlist internal return routes.
Verification to include
- Open removed part
- Inject external return URL
Deliverables
- Unavailable state and route tests
Rollout and recovery
Restore static unavailable page if navigation breaks.
Value of the work
For the engineer: Practice URL contracts and request ownership.
For the team: Inspect whether discovery intent survives changing results.
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.