chore: establish local platform baseline

migrations/000003_identity_household.down.sql

@@ -0,0 +1,16 @@
+BEGIN;
+DROP TABLE IF EXISTS member_invitation;
+DROP TABLE IF EXISTS household_member;
+DROP TABLE IF EXISTS household;
+DROP INDEX IF EXISTS user_account_oidc_identity_idx;
+ALTER TABLE user_account
+    DROP CONSTRAINT IF EXISTS user_account_id_tenant_key,
+    DROP CONSTRAINT IF EXISTS user_account_tenant_oidc_identity_key,
+    DROP COLUMN IF EXISTS last_login_at,
+    DROP COLUMN IF EXISTS oidc_issuer;
+ALTER TABLE user_account RENAME COLUMN oidc_subject TO identity_subject;
+ALTER TABLE user_account
+    ADD CONSTRAINT user_account_tenant_id_identity_subject_key
+        UNIQUE (tenant_id, identity_subject);
+ALTER TABLE tenant DROP COLUMN IF EXISTS policy_version;
+COMMIT;