added experimental backup optimizations

core/app.go

@@ -1262,6 +1262,19 @@ type App interface {
 	// triggered and called only if their event data origin matches the tags.
 	OnMailerRecordOTPSend(tags ...string) *hook.TaggedHook[*MailerRecordEvent]
 
+	// ---------------------------------------------------------------
+	// Filesystem event hooks
+	// ---------------------------------------------------------------
+
+	// OnFilesystemNewWriter is a low level hook for app.NewFilesystem()
+	// instances that is triggered on every storage filesystem writer initialization
+	// (aka. whenever attempting to create a new file).
+	OnFilesystemNewWriter() *hook.Hook[*FilesystemNewWriterEvent]
+
+	// OnFilesystemDelete is a low level hook for app.NewFilesystem()
+	// instances that is triggered for every storage file delete call.
+	OnFilesystemDelete() *hook.Hook[*FilesystemDeleteEvent]
+
 	// ---------------------------------------------------------------
 	// Realtime API event hooks
 	// ---------------------------------------------------------------