fix: reduce Meilisearch load, debounce federation sync (#1012)

* optimize meili trail index

* several fixes

---------

Co-authored-by: Flomp <Flomp@users.noreply.github.com>

db/go.mod

@@ -32,7 +32,7 @@ require (
 	github.com/ganigeorgiev/fexpr v0.5.0 // indirect
 	github.com/go-ap/activitypub v0.0.0-20250905102448-e9df599e4528
 	github.com/go-fed/httpsig v1.1.0
-	github.com/go-ozzo/ozzo-validation/v4 v4.3.0 // indirect
+	github.com/go-ozzo/ozzo-validation/v4 v4.3.0
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect