code: @Command(value = "act.job.list,act.job,act.jobs", help = "List jobs")
      @PropertySpec(Job.BRIEF_VIEW)
      @TableView
      public List<Job> listJobs(@Optional(lead = "-q") final String q, JobManager jobManager) {
          C.List<Job> jobs = jobManager.jobs().append(jobManager.virtualJobs()).unique(_UNIQ_JOB_FILTER);
          if (S.notBlank(q)) {
              jobs = jobs.filter(new $.Predicate<Job>() {
                  @Override
                  public boolean test(Job job) {
                      String jobStr = job.toString();
                      return jobStr.contains(q) || jobStr.matches(q);
                  }
              });
          }
          return jobs;
      }
docs: List all jobs in the job manager
  @return a list of {@link Job jobs}