<!-- TIER:1 -- Configuring Filters A filter is a record gate that decides which records pass a point in the pipeline. What happens to the rest depends on where it sits: an export's filter silently drops them from the flow, while a lookup's or an import's filter only skips that step for them. Filters are configured directly on exports, imports, and flow router branches -- not as standalone resources. Concerns when configuring a filter: - Placement -- where in the pipeline the filter runs (output filter on export, input filter on lookup, pre-import filter, branch routing condition) - Mechanism…