feat: AC 三合一设备支持 + 新增 Plug/Gateway 驱动 + Cover 结构化重构

**AC 驱动增强**
- 支持 thermostat + air-conditioner + air-fresh 多服务三合一设备，属性跨服务合并解析
- 新增 specResolver.findValListInService/findInService/hasService/serviceShortName 方法
- 移除 KindThermostat，heater/electric-blanket/thermostat 重新归类为 KindAirConditioner

**Cover 窗帘重构**
- CoverProps 结构化：Position/Status/Fault 分离
- SetPosition 优先写 target-position，回退 current-position
- OnPropsChanged/FetchProps 支持多属性同步刷新

**新增设备类型**
- Plug 驱动：插座/插头，支持开合、在线状态、属性变更订阅
- Gateway 驱动：网关设备类型识别
- miot/miot_errors.go：新增 MIoT 云端错误码定义

**MIoT 客户端健壮性**
- SetProp 空结果视为失败；设备被移除或离线时自动刷新设备列表
- GetDevices 的 has_more 改用 parseBool 严格解析
- MIPS SubscribeMany 批量订阅减少往返
- matchURN 改为按段精确匹配，避免 tofan 误匹配 fan

**Bridge**
- 移除 Thermostat case，Cover 改用结构化 CoverProps
- 新增设备创建后自动订阅属性变更

**其他**
- 日志整体 Info → Debug 降噪
- .gitignore 忽略 /.codebuddy/memory
- 更新 devices_test 与 08_adv_filter_classify 示例

miot/mips_client.go

@@ -25,7 +25,6 @@ const (
 	mipsQoS                   = 2
 	mipsReconnectIntervalMin  = 10.0  // seconds
 	mipsReconnectIntervalMax  = 600.0 // seconds
-	mipsSubPatch              = 300
 	mipsSubInterval           = 1 // second
 	mipsMQTTInterval          = 1 // second
 	uint32max                 = 0xFFFFFFFF
@@ -269,6 +268,7 @@ type MQTTClient interface {
 	Disconnect()
 	IsConnected() bool
 	Subscribe(topic string, qos byte, handler func(topic string, payload []byte)) error
+	SubscribeMany(topics map[string]byte) error
 	Unsubscribe(topic string) error
 	Publish(topic string, qos byte, payload []byte) error
 	SetCredentials(username, password string)
@@ -528,34 +528,42 @@ func (c *mipsClient) flushPendingSubs() {
 		return
 	}
 
+	// 收集所有待订阅 topic，一次 SUBSCRIBE 包批量订阅（大幅减少网络往返）
 	c.pendingSubMu.Lock()
-	subbed := 0
+	batch := make(map[string]byte, len(c.pendingSubs))
 	for topic, count := range c.pendingSubs {
-		if subbed >= mipsSubPatch {
-			break
-		}
 		if count > 3 {
 			delete(c.pendingSubs, topic)
 			c.lgr.Debugf("[mips] retry sub exceeded: %s", topic)
 			continue
 		}
-		subbed++
-
-		if err := c.mqttConn.Subscribe(topic, byte(mipsQoS), func(t string, p []byte) {
-			c.onMQTTMessage(t, p)
-		}); err == nil {
-			delete(c.pendingSubs, topic)
-			c.lgr.Debugf("[mips] sub success: %s", topic)
-		} else {
-			c.pendingSubs[topic] = count + 1
-			c.lgr.Debugf("[mips] retry sub %d: %s %v", count, topic, err)
-		}
+		batch[topic] = byte(mipsQoS)
 	}
-
-	hasMore := len(c.pendingSubs) > 0
 	c.pendingSubMu.Unlock()
 
-	if hasMore {
+	if len(batch) == 0 {
+		return
+	}
+
+	if err := c.mqttConn.SubscribeMany(batch); err == nil {
+		c.pendingSubMu.Lock()
+		for t := range batch {
+			delete(c.pendingSubs, t)
+			c.lgr.Debugf("[mips] sub success: %s", t)
+		}
+		hasMore := len(c.pendingSubs) > 0
+		c.pendingSubMu.Unlock()
+		if hasMore {
+			time.Sleep(time.Duration(mipsSubInterval) * time.Second)
+			c.flushPendingSubs()
+		}
+	} else {
+		c.lgr.Debugf("[mips] batch sub error: %v", err)
+		c.pendingSubMu.Lock()
+		for t := range batch {
+			c.pendingSubs[t] = c.pendingSubs[t] + 1
+		}
+		c.pendingSubMu.Unlock()
 		time.Sleep(time.Duration(mipsSubInterval) * time.Second)
 		c.flushPendingSubs()
 	}
@@ -1042,6 +1050,22 @@ func (p *pahoMQTTClient) Subscribe(topic string, qos byte, handler func(topic st
 	return nil
 }
 
+// SubscribeMany 用单个 SUBSCRIBE 包批量订阅多个 topic，显著减少网络往返。
+// 消息分发仍走 DefaultPublishHandler，与 Subscribe 行为一致。
+func (p *pahoMQTTClient) SubscribeMany(topics map[string]byte) error {
+	if p.client == nil || !p.client.IsConnected() {
+		return fmt.Errorf("not connected")
+	}
+	if len(topics) == 0 {
+		return nil
+	}
+	token := p.client.SubscribeMultiple(topics, nil)
+	if token.Wait() && token.Error() != nil {
+		return token.Error()
+	}
+	return nil
+}
+
 func (p *pahoMQTTClient) Unsubscribe(topic string) error {
 	if p.client == nil || !p.client.IsConnected() {
 		return fmt.Errorf("not connected")