BEGIN; ALTER TABLE mcp_routing_profiles ADD COLUMN IF NOT EXISTS credential_id uuid REFERENCES mcp_credentials(id); ALTER TABLE mcp_routing_profiles ADD COLUMN IF NOT EXISTS generation text; ALTER TABLE mcp_routing_profiles ADD COLUMN IF NOT EXISTS policy_version integer; CREATE INDEX IF NOT EXISTS mcp_routing_profiles_enabled ON mcp_routing_profiles(updated_at) WHERE enabled; CREATE UNIQUE INDEX IF NOT EXISTS mcp_drift_open_step ON mcp_drift(operation_id,(expected->>'stepIndex')) WHERE acknowledged_at IS NULL; COMMIT;