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Hydration snapshot reconciliation: Dirty pre-hydration edits are overwritten · case 03

Dirty pre-hydration edits are overwritten.

Member previewVariant 3 · 3 implementations · 60 checks per implementation

Case contract

Server snapshot supplies untouched keys; pre-hydration edits win only for dirty keys. Missing and null differ. Revision, roots, readiness and replay are separate hydration facts. Operation dirty-overlay has the six explicit input/output oracles below.

Why this case matters

An offline client lifecycle model that isolates a state-management defect without DOM rendering or network services.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
dirty-overlay scenario 1	`{"a": 3, "b": 2}`	`{"a": 9, "b": 2}`	Failed

MEMBER ARCHIVE

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