Method ExecuteTreeGroupedAggregateAsync<TProps>(TreeQueryContext<TProps>, IEnumerable<GroupFieldRequest>, IEnumerable<AggregateRequest>)

Execute GROUP BY aggregation with tree context (CTE for tree traversal).
Used by TreeGroupedQueryable to perform tree-aware grouping.

Task<JsonDocument?> ExecuteTreeGroupedAggregateAsync<TProps>(TreeQueryContext<TProps> context, IEnumerable<GroupFieldRequest> groupFields, IEnumerable<AggregateRequest> aggregations) where TProps : class, new()