an unrecognized act says so and lists nothing (V-556)

Reciting the allowlist answered a question he did not ask. She says the command
is not one she knows, once, and parks nothing.

cmd/mavend/clarify.go

@@ -156,19 +156,10 @@ func (h *reactiveHandler) askClarify(ctx context.Context, dec router.Decision) (
 	if !ok {
 		return "", false
 	}
-	// An act is the one gap that may have nothing on the other end. Ask only
-	// when she has something to run, and say what it is (Vikunja #556).
+	// An act she could not resolve is a refusal, not a question (Vikunja #556).
 	if slot == dialogue.SlotFn {
-		var allow []string
-		if h.matcher != nil {
-			allow = h.matcher.Allowlist()
-		}
-		reply, ask := fnClarify(allow, 1)
-		if !ask {
-			log.Printf("voice: clarify — act with %d allowlisted fns; naming the gap instead of asking", len(allow))
-			return reply, reply != ""
-		}
-		question = reply
+		log.Printf("voice: clarify — act %q matched no capability; saying so instead of asking", dec.Utterance)
+		return actNotRecognized, true
 	}
 	h.clarifyStore.Put(dialogueIDOf(ctx), &dialogue.PendingQuestion{
 		Intent:      dialogue.Intent(dec.Intent),