Note

Adds global counters for total documents indexed (overall and per field type) and surfaces them in INFO MODULES, updating indexing paths to maintain these stats with tests.

• Metrics/Global Stats:
  • Add FieldsGlobalStats_UpdateFieldDocsIndexed and new counters in FieldsGlobalStats for per-field-type document indexing totals.
  • Increment counters on successful indexing in src/document.c (fulltextPreprocessor, IndexerBulkAdd).
• Indexes Aggregation:
  • Aggregate total_num_docs_in_indexes across all specs in IndexesInfo_TotalInfo and expose in index stats.
• INFO MODULES Output:
  • Expose total_indexing_ops_{text|tag|numeric|geo|geoshape|vector}_fields and total_num_docs_in_indexes in src/info/info_redis.c.
• Headers/Plumbing:
  • Update headers (global_stats.h, indexes_info.h) and includes to support new metrics.
• Tests:
  • Add SA tests validating total_num_docs_in_indexes and per-field total_indexing_ops_* counters, including multi-value JSON behavior.

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