refactor(logs): serialize delivery-log rows for the islands in one place (#70)

fix(form): collapse optional blob fields in the record builder

fix(stats): leave update markers out of the stats counts

feat(form): name the target repo of record actions and warn on refs into another repo

fix(review): hand a failed invite's allowance claim back and keep the reply error on a failed restore

refactor(form-builder): drop the redundant extras-bag guard

feat: concepts and plans