$ # Deployment procedure per docs/deployment.md: recorded version = 20260827_03 (current main HEAD)
$ # "apply each newer file ... in filename order" — which files does that select on this branch?
$ ls migrations/ | awk '$0 > "20260827_03"'
20260827_03_remove_minimal_reasoning.sql
20260828_01_upload_worker_concurrency.sql

$ # NOTE: 20260824_01_upload_sessions.sql (the table-creating migration) is NOT selected — it sorts OLDER.
$ psql ... -f migrations/20260828_01_upload_worker_concurrency.sql
psql:migrations/20260828_01_upload_worker_concurrency.sql:6: ERROR:  relation "public.upload_processing_jobs" does not exist
exit code: 3