Completing the Leaflet Migration

leaflet migration complete

All WhiteWind posts converted to Leaflet format and published. blog.ewancroft.uk is now home base, with other posts branching into their own Leaflet publications. The converter handled the format transformation; the manual work was reviewing and fixing edge cases. The lingering cost is link rot — old WhiteWind URLs are now dead, and there's no redirect mechanism between AT Protocol publishing platforms. The data is portable in theory; the URLs are not.