chore: establish local platform baseline

migrations/000020_ops_config_rollout_gates.down.sql

@@ -0,0 +1,20 @@
+BEGIN;
+
+DROP TABLE IF EXISTS runtime_config_rollout;
+DROP TABLE IF EXISTS ops_device_group_member;
+DROP TABLE IF EXISTS ops_device_group;
+DROP TABLE IF EXISTS ops_config_evaluation;
+DROP TABLE IF EXISTS ops_resource_reference;
+
+WITH ranked AS (
+    SELECT id,row_number() OVER (PARTITION BY tenant_id,config_key ORDER BY version_no DESC,id DESC) AS position
+    FROM runtime_config_version WHERE status='PUBLISHED'
+)
+UPDATE runtime_config_version rcv
+SET status='RETIRED',retired_at=COALESCE(retired_at,now()),row_version=row_version+1,updated_at=now()
+FROM ranked WHERE ranked.id=rcv.id AND ranked.position>1;
+
+CREATE UNIQUE INDEX runtime_config_one_published_key
+    ON runtime_config_version(tenant_id,config_key) WHERE status='PUBLISHED';
+
+COMMIT;