fix(search): refuse empty coordinate components instead of silently dropping them

docs/CURRENT-STATE.md

@@ -5127,3 +5127,8 @@ datacenters, dams and the Nepal locator retain that shared credit while displaye
 
 Military fragments stitch by source identity. Different mapped parcels merge only
 when their footprints touch or contain one another, never across a seam tolerance gap.
+
+
+### fix(search): refuse empty coordinate components instead of silently dropping them
+
+Require exactly two nonempty components while preserving comma, semicolon and whitespace pairs. Malformed separator input falls through to geocoding.