docs: separate CHANGELOG bullets after rebase

Co-Authored-By: Claude Sonnet 5.5 <[email protected]>

CHANGELOG.md

@@ -32,6 +32,7 @@
 - Tool string length validation counts Unicode characters correctly, including characters outside the basic multilingual plane.
 
 - Director timeline seeks cross the dateline along the short longitude arc.
+
 - Regional articles retain unknown publication times when compact source dates do not identify a real calendar instant.
 
 - Treat explicitly current, complete empty vessel coverage as a successful update,