D4U7 converged by choosing the newest write and silently removed valid prose, so conflict recovery moved to immutable bases, type-specific merges, and authored resolution.
#synchronization
Preserving an offline action was not permission to send it later; D4U7 classified intent by freshness, authority, consequence, and safe retry behavior.
D4U7 had to reconcile sleep, reconnect, a new application version, expired authority, and edits made elsewhere before claiming an old page was current.