FA-11878 / Search retrieval semantics / Member archive

Old document versions remain searchable after replacement · case 03

Old document versions remain searchable after replacement.

Member previewVariant 3 · 3 implementations · 7 checks per implementation

Case contract

Records are [id,revision,tokens], with unique id/revision pairs. Return sorted IDs whose greatest-revision record contains the term. Record order is arbitrary.

Why this case matters

An offline deterministic retrieval model isolates this search contract from tokenization, storage, and network behavior.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
replacement removes term	`["a"]`	`[]`	Failed

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