Add automatic project snapshots

2026-07-25 23:27:51 +02:00
parent 59d442593f
commit 1a77eedaa8
23 changed files with 2232 additions and 26 deletions
@@ -237,6 +237,9 @@ not change the project revision or undo/redo stacks. Restoring a server-stored
 snapshot verifies its checksum and the current-state hash, replaces supported
 project data atomically and records a new `restore` revision with a complete
 inverse command. Restore can therefore be undone and redone after a restart.
+The central revision boundary creates an automatic logical snapshot after each
+25 new revisions and retains only the newest 12 automatic snapshots per
+project. Named snapshots are never removed by this retention policy.
 The project page exposes persistent project-wide Undo/Redo in the header of an
 initially collapsed German snapshot/timeline UI, with explicit restore
 confirmation and cursor-based loading of older revision metadata.
@@ -314,7 +317,6 @@ Users must be able to override sizing suggestions.

 ## Current Deferred Work

- periodic snapshot and retention policy
 - Revit/CSV/IFCGUID round-trip
 - full electrical sizing
 - multi-user/PostgreSQL operation