feat(M06-C): 完成设备协议适配与消息幂等

backend/tests/migration-contract.test.mjs

@@ -66,6 +66,9 @@ const profitSharingVerifySql = read('database/migrations/2026062218_m05d_profit_
 const deviceTopologyUpSql = read('database/migrations/2026062219_m06b_device_topology.up.sql');
 const deviceTopologyDownSql = read('database/migrations/2026062219_m06b_device_topology.down.sql');
 const deviceTopologyVerifySql = read('database/migrations/2026062219_m06b_device_topology.verify.sql');
+const iotMessagesUpSql = read('database/migrations/2026062220_m06c_iot_messages.up.sql');
+const iotMessagesDownSql = read('database/migrations/2026062220_m06c_iot_messages.down.sql');
+const iotMessagesVerifySql = read('database/migrations/2026062220_m06c_iot_messages.verify.sql');
 
 const coreTables = [
   'qipai_schema_migrations',
@@ -301,5 +304,16 @@ assert.match(deviceTopologyUpSql, /uq_qipai_device_link_child/);
 assert.match(deviceTopologyUpSql, /uq_qipai_device_link_room_type/);
 assert.match(deviceTopologyUpSql, /device\.read/);
 assert.match(deviceTopologyUpSql, /device\.write/);
+for (const table of [
+  'qipai_iot_commands', 'qipai_iot_device_events', 'qipai_iot_dead_letters'
+]) {
+  assert.match(iotMessagesUpSql, new RegExp(`CREATE TABLE IF NOT EXISTS ${table}`));
+  assert.match(iotMessagesDownSql, new RegExp(`DROP TABLE IF EXISTS ${table}`));
+  assert.match(iotMessagesVerifySql, new RegExp(`'${table}'`));
+}
+assert.match(iotMessagesUpSql, /command_id VARCHAR\(13\)/);
+assert.match(iotMessagesUpSql, /uq_qipai_iot_event_dedup/);
+assert.match(iotMessagesUpSql, /receive_count INT UNSIGNED/);
+assert.match(iotMessagesUpSql, /PENDING/);
 
-console.log('PASS: M01-B through M06-B migration contracts are present.');
+console.log('PASS: M01-B through M06-C migration contracts are present.');