Continue phase 2 device ops and dynamic QR lifecycle

dist/shared/store/deviceConfigStore.js

@@ -81,6 +81,13 @@ export async function listDeviceConfigAcks(deviceId, limit = 50) {
       LIMIT $2`, [deviceId, Math.min(Math.max(limit, 1), 200)]);
     return rows.map(mapAck);
 }
+export async function getLatestDeviceConfigAck(deviceId) {
+    const { rows } = await getPool().query(`SELECT * FROM device_config_acks
+      WHERE device_id = $1
+      ORDER BY acked_at DESC
+      LIMIT 1`, [deviceId]);
+    return rows[0] ? mapAck(rows[0]) : null;
+}
 export function toDeviceConfigPayload(config) {
     return { ...config };
 }