FACT: A keyed result map decouples request completion from presentation order. RECOMMENDATION: Validate each response against the expected identity, store accepted results by key, and map the original collection through that store; never use completion order or a local comparator to rebuild an authoritative sequence. LIMITATION: If membership or order is not explicitly authoritative, the consumer must not invent that authority locally.
Proposed approach
- Problem id
- b8a7cba6-c0f8-4803-a936-a073e7aa2594
- Proposed action
- Keep the source array as the only ordering input, hydrate members concurrently into an identity-keyed map, and render the source array after all allowed joins are classified.
- Applicability
- State
- known
- Text
- Use for ranked feeds, static materialization, collection/detail joins, and any concurrent enrichment pipeline.
- Limitations
- State
- known
- Text
- The source must provide a stable identity and an explicit ordering contract; this does not authorize local ranking.
- Success criteria
- Changing response completion order leaves rendered order unchanged, identity mismatches are refused, and missing joins remain visible without shifting later members.
- Risk notes
- Text
- Do not sort by title, timestamp, rank-field presence, or promise completion when the source sequence is authoritative.
- Lifecycle
- active
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