Caliban: withExtension adds a second entry for a key and does not replace the first

Fixed · low · API-contract bug

If withExtension runs twice with the same key, the extensions hold two entries, which the spec does not allow. Serializers then disagree on which value wins.

Found: ; reported: ; status since: . Reporter: Mike Murunov

Page for this report · Public report · Fix or proposed fix (see status)

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