feature/bugfix independently used 0585/0586 for unrelated migrations (loan COB catch-up, system module checker permissions), colliding with this session's own 0585 file. Renumbered to the first free slot after theirs so both sets of changesets coexist without ambiguity; content and semantics are unchanged, only the file name and changeset ids moved. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>