Test option 2b: callouts after details blocks, fix em dash
Test option 2: callouts at root, details blocks preserved
Test option 1: remove details blocks from Verify
Test callout fix: summary b instead of h2 in Verify
Restore [!TYPE] callout format across all wiki pages
wiki crosswalk: convert all callouts to blockquote format, fix checkpoints, move AV warning to First Run
add Checkpoint: label to all checkpoint lines across pages 02-05
fix verify page nav: put previous and next on same line
wiki crosswalk page 05: fix callouts, add checkpoint emojis, terminal wording, split nav
fix callouts and details open corruption across wiki
rename extVPN to vpnTUN: terminology, page 16, variable names, service name
make See Also sections non-collapsible and unified across wiki
make all ## sections collapsible across wiki
expand Deployment Mode Architecture into full primer + deep dive, move to page 03