small fixes

docs/modules/PANEL_UPDATE.md

@@ -23,6 +23,22 @@ The update page uses these settings:
 - `gsp_update_panel_post_update_command`
 - `gsp_update_backup_before`
 
+The current admin UI shows these directly:
+
+- Repository URL / Path
+- Branch / Channel
+- Repository Root
+- Backup Path
+- Backup Retention
+- Backup Before Update
+
+The current admin UI keeps these derived or advanced:
+
+- Panel Path is derived from Repository Root plus `/Panel`
+- Panel Source Folder is fixed to `Panel`
+- Git Executable is hidden and defaults to `git`
+- Post-update Command remains under Advanced Settings
+
 ## Defaults
 
 - Repository URL / Path: `http://forge.runlevelsystems.com/dev/GSP.git`
@@ -58,9 +74,15 @@ The backup directory is created recursively if missing.
 
 Retention is enforced after each successful backup.
 
+Current count labels:
+
+- `Managed Backups Stored` means all managed updater snapshots discovered in the backup base
+- `Rollback Backups Available` means only full timestamped backups that the restore flow can actually restore
+
 ## Rollback Workflow
 
 - The rollback selector lists managed backups.
+- The restore action only accepts full timestamped backups from `gsp_get_available_backups()`.
 - Restoring a backup restores the Panel tree and metadata.
 - Missing website archives are ignored because the active backup path is Panel-focused.
 - Apache config restore is optional.