Note

Add threadpool getters and INFO MODULES metrics for workers’ high/low priority pending jobs, with workers wrappers and new tests.

• Stats/Threadpool:
  • Add redisearch_thpool_high_priority_pending_jobs and redisearch_thpool_low_priority_pending_jobs to fetch queue lengths (atomic reads).
• Global Stats:
  • Extend MultiThreadingStats with workers_low_priority_pending_jobs and workers_high_priority_pending_jobs.
  • Update GlobalStats_GetMultiThreadingStats() to read workers’ active thread count and pending job counts without locking.
• INFO output:
  • In multi_threading section, add search_workers_low_priority_pending_jobs and search_workers_high_priority_pending_jobs.
• Workers API:
  • Add workersThreadPool_LowPriorityPendingJobsCount() and workersThreadPool_HighPriorityPendingJobsCount() wrappers.
• Tests:
  • Add wait_for_condition helper.
  • Refactor worker-threads test and add tests validating pending jobs metrics for both FT.SEARCH and FT.AGGREGATE with paused/resumed workers.
  • Minor constants/imports adjustments in tests.

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