cleanups and code fixes incl templ

server/handler/updateCleanup.go

@@ -15,6 +15,11 @@ import (
 // @Failure 500 {string} string "Server error"
 // @Router /api/cleanup/updates [delete]
 func (h *Handler) UpdateCleanup(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodDelete {
+		writeJSONError(w, http.StatusMethodNotAllowed, "method not allowed")
+		return
+	}
+
 	if h.denyLegacyAPI(w, "/api/cleanup/updates") {
 		return
 	}