diverse bugfixes

internal/admin/admin.go

@@ -221,9 +221,10 @@ func Register(mux *http.ServeMux, d Deps) {
 			http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
 			return
 		}
-		if id, err := strconv.ParseInt(r.FormValue("id"), 10, 64); err == nil {
-			_, _ = d.Store.Delete(r.Context(), filesvc.ID(id))
-			_ = d.Blob.Delete(r.Context(), int64(id))
+
+		if id64, err := strconv.ParseInt(r.FormValue("id"), 10, 64); err == nil {
+			_, _ = d.Store.Delete(r.Context(), filesvc.ID(id64))
+			_ = d.Blob.Delete(r.Context(), id64) // <— Blob löschen
 			_ = d.Mesh.SyncNow(r.Context())
 		}
 		http.Redirect(w, r, "/admin", http.StatusSeeOther)