feat(server): 支持 MySQL 一主多从拓扑调度与复制健康检查

- DeliveryTask/DeploymentResult 新增 target_hosts/target_host_ips 完整节点列表(主节点在前)
- 交付输入支持 replica_count(1-7)与有序 target_hosts,按节点数放大配额/预留/资源用量
- 端口占用与已占主机解析改为逗号列表,兼容存量单主机字段
- 指定主机校验池成员/重复/单机实例数,自动补齐剩余节点或延后调度
- AWX Limit 与回滚覆盖全部节点,extra_vars 下发主从主机与 IP 列表
- completeTask 全节点 TCP 探活,副本经 mysqlReplicationReady 校验复制线程状态
- awxTaskSummary 按服务类型生成摘要;go-sql-driver/mysql 提为直接依赖

server/internal/handler/task_log.go

@@ -216,11 +216,18 @@ func (h *TaskLogHandler) getWayneTask(c *gin.Context, id string, userID uint64,
 }
 
 func awxTaskSummary(task model.DeliveryTask) taskLogSummary {
+	serviceName := "mysql"
+	serviceLabel := "MySQL"
+	if strings.EqualFold(strings.TrimSpace(task.ServiceType), "postgresql") ||
+		(strings.TrimSpace(task.ServiceType) == "" && strings.EqualFold(strings.TrimSpace(task.Component), "postgresql")) {
+		serviceName = "postgresql"
+		serviceLabel = "PostgreSQL"
+	}
 	return taskLogSummary{
 		ID:             "awx:" + task.ID,
 		Source:         "awx",
-		Service:        "mysql",
-		Name:           "MySQL 标准化交付 · " + task.InstanceName,
+		Service:        serviceName,
+		Name:           serviceLabel + " 标准化交付 · " + task.InstanceName,
 		Runner:         "AWX Job Template #" + strconv.FormatUint(task.TargetID, 10),
 		Status:         task.Status,
 		StatusText:     textForTaskStatus(task.Status),

server/internal/handler/task_log_test.go

@@ -439,6 +439,33 @@ func TestAwxTaskSummary(t *testing.T) {
 	}
 }
 
+func TestAwxTaskSummaryPostgreSQL(t *testing.T) {
+	tests := []struct {
+		name        string
+		serviceType string
+		component   string
+	}{
+		{name: "service type", serviceType: "postgresql", component: "postgresql"},
+		{name: "legacy component fallback", component: "postgresql"},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			summary := awxTaskSummary(model.DeliveryTask{
+				ID:           "task-postgresql",
+				ServiceType:  tt.serviceType,
+				Component:    tt.component,
+				InstanceName: "postgresql-xinfra-n1aw28",
+			})
+			if summary.Service != "postgresql" {
+				t.Fatalf("awxTaskSummary Service = %q, want %q", summary.Service, "postgresql")
+			}
+			if summary.Name != "PostgreSQL 标准化交付 · postgresql-xinfra-n1aw28" {
+				t.Fatalf("awxTaskSummary Name = %q, want PostgreSQL delivery name", summary.Name)
+			}
+		})
+	}
+}
+
 func TestWayneTaskSummary(t *testing.T) {
 	now := time.Now()
 	history := service.WayneDeploymentHistory{