Count CJK characters double for street specificity threshold

Add more JP preset chips for Hamamatsu and Shinjuku

Switch number_index to flat path after pipeline rebuild

Dismiss reverse-geocoding hint in all e2e tests to prevent overlay blocking

Strip JP coord zone from autocomplete numbers and guard reverse hint on user zoom only

Fix JP parser to handle Overture's banchi-coordZone number format

feat: implement guided tour hint to direct users from Geocode map interactions to the Reverse page

Add PostHog analytics conventions to playground rules

Add custom PostHog event tracking for geocode searches, errors, and user actions

Make preset chips horizontally scrollable instead of wrapping

Add tests for validateCC() and toArr(null) safety guard

Add code safety rules to CLAUDE.md for SQL, HTML, allocations, and async patterns

Update Claude rules with new SQL safety and race condition patterns

Strip leading house number from street query for all countries

Harden SQL inputs, fix race conditions, and clean up code quality issues