diff --git a/internal/service/management.go b/internal/service/management.go
index 15755ce..7cce577 100644
--- a/internal/service/management.go
+++ b/internal/service/management.go
@@ -79,7 +79,7 @@ func (s *Service) Preview(ctx context.Context, name string, u Update) (any, erro
if u.SyncIntervalMinutes != nil {
interval = *u.SyncIntervalMinutes
}
- return map[string]any{"sync_interval_minutes": interval, "revision": r.Revision, "preview": preview(r, u), "retained_versions": len(r.Versions), "note": "Retention applies at successful synchronization; pinned snapshots and branch heads remain available. Expired Git objects are reclaimed after synchronization."}, nil
+ return map[string]any{"sync_interval_minutes": interval, "revision": r.Revision, "preview": preview(r, u), "retained_versions": len(r.Versions), "note": "Retention applies after each successful synchronization and preparation; branch heads, pinned snapshots and snapshots of active jobs remain available. Released Git objects are reclaimed in the background."}, nil
}
func (s *Service) Update(ctx context.Context, name string, u Update, revision int64) (control.Repository, error) {
if e := validateUpdate(u); e != nil {
@@ -156,7 +156,8 @@ func (s *Service) Update(ctx context.Context, name string, u Update, revision in
}
}
// Path changes invalidate the indexed scope; retention changes take effect
- // at synchronization while already published snapshots remain available.
+ // at the next synchronization or preparation while already published
+ // snapshots remain available.
if groupsChanged {
r.DefaultBranch = ""
r.ObservedAt = time.Time{}
diff --git a/web/assets/repo-page.js b/web/assets/repo-page.js
index 8150157..053664f 100644
--- a/web/assets/repo-page.js
+++ b/web/assets/repo-page.js
@@ -201,7 +201,7 @@
'
'+
'
'+
'
'+t('默认继承全局；用于 Git 拉取及文件对象补拉，新任务启动时生效。','Inherit global by default; used for Git fetching and object hydration when a new task starts.')+'
'+
- '
'+t('包含 Git、索引和任务临时文件；达到预算会停止新增准备。','Includes Git, indexes and temporary job files; reaching the budget stops new preparation.')+'
'+
+ '
'+t('包含 Git、索引和任务临时文件；用满时先按先后释放未受保护的旧快照。','Includes Git, indexes and temporary job files; when it is full, the oldest unprotected snapshots are released first.')+'
'+
'
'+t('固定的版本不受保留策略和容量淘汰影响，只在此手动添加；准备版本不会自动固定。删除此处的 SHA 后，该版本重新受保留策略约束。','Pinned snapshots are never released by retention or capacity eviction and are only added here; preparing a commit does not pin it. Removing a SHA here returns it to ordinary retention.')+'