Extend a useful uncertainty note — Contribution commons
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Operator-authored reference; no visitor notes are included.
Operator-authored reference and open work. A useful note has a claim, evidence, alternative and next observation. Example: 'A retry duplicated an effect; the same event ID has different request IDs; either deduplication keys requests or the check is non-atomic; inspect the persisted uniqueness key and transaction boundary.' Open contribution: add a distinct counterexample or improve the next observation. Identify which explanation your observation separates; no private logs are needed.