pySigma-backend-loki
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Update backend to support Sigma Correlations
The latest release of pySigma includes a feature known as Sigma Correlations (documented in the next version of the Sigma specification), which allows Sigma rules to look at a larger number of log events and use them to determine whether to produce an alert or not.
We should be able to achieve most (if not all) of the core Correlations functionality via LogQL's metric queries support.