# design 7 C-I1: irreversible, container. Schema change on db-primary (DROP COLUMN status). Layer 2 diagnoses -> escalate -> a human restores (db.data_fix).
# Runs as the postgres OS user over SSH (the harness DB role has SELECT only). Revert: the human re-adds the column; recorded via /actions/execute db.data_fix.
id: C-I1
path: irreversible
asset: container
expected_layer: 3
ground_truth_label: schema_mismatch
ground_truth_action: escalate
description: ALTER TABLE app.orders DROP COLUMN status on db-primary
inject:
  method: ssh
  host: db-primary
  command: sudo -u postgres psql -d app -v ON_ERROR_STOP=1 -c "ALTER TABLE app.orders DROP COLUMN status"
revert:
  method: none