Record source-identity acceptance for Go interface candidates Update Draft #1285 to the identity-scored head, including the same-named interface-method negative control and the 15/38 candidate recheck.
Document Go interface candidates for changed concrete methods Record Draft #1285's fixed Echo/client_golang/afero results, method-set rules, gopls comparison and final-head CI. Link the follow-up that closes the #1284 remaining-miss note.