Analytics: unique visitors this week + probed-URLs list; Scripture Index: most-studied strip + print; admin warning for unparseable passage references; v2.44.0

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

server/config.js

@@ -172,6 +172,7 @@ export const EMPTY_HIT_STATS = {
   byPath: {},
   byPathReal: {},
   byPathBot: {},
+  byPathUnknown: {},
   byDay: {},
   byDayReal: {},
   byDayBot: {},