Tell him when an expired clarify question is dropped

Vikunja #382. A parked clarifying question past its TTL was discarded
silently on read; now she says the old request is gone and the newly
spoken words are still routed as a fresh utterance.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01CGeSZxh1DCtRxmFVSYVGvJ

cmd/mavend/voice.go

@@ -402,9 +402,17 @@ func (h *reactiveHandler) HandlePushToTalk(ctx context.Context, req voice.PushTo
 		return h.reply(ctx, reply, nil)
 	}
 
-	// 1b2. clarify answer — if she asked a question last turn, this utterance is
-	// its answer, not a fresh command. After the confirm check: a y/n gate is
-	// armed by her own prompt and is the narrower claim on the utterance.
+	// 1b2. expired clarify — a question was parked but its TTL ran out, so the
+	// request behind it is gone. Say that out loud (see clarify.go) and carry
+	// on: these words are still routed as a fresh utterance below, with the
+	// notice glued in front of whatever the fresh routing answers. Checked
+	// BEFORE the answer path: reading a parked question drops an expired one.
+	expiredNotice := h.clarifyExpiredNotice()
+
+	// 1b3. clarify answer — if she asked a live question last turn, this
+	// utterance is its answer, not a fresh command. After the confirm check: a
+	// y/n gate is armed by her own prompt and is the narrower claim on the
+	// utterance.
 	if reply, handled := h.resolveClarifyAnswer(ctx, text); handled {
 		return h.reply(ctx, reply, nil)
 	}
@@ -414,7 +422,7 @@ func (h *reactiveHandler) HandlePushToTalk(ctx context.Context, req voice.PushTo
 	// unreliably (it's a command, not a free-form query), so we match it
 	// before routing. Same pattern as the confirm turn above.
 	if reply, handled := h.resolveQuietToggle(ctx, text); handled {
-		return h.reply(ctx, reply, nil)
+		return h.reply(ctx, withNotice(expiredNotice, reply), nil)
 	}
 
 	// 2. router — classify the utterance.
@@ -423,10 +431,10 @@ func (h *reactiveHandler) HandlePushToTalk(ctx context.Context, req voice.PushTo
 		// ErrNoIntents ⇒ classifier unseeded (cold boot). reply with a
 		// "still warming up" rather than a wire error.
 		if errors.Is(err, router.ErrNoIntents) {
-			return h.reply(ctx, "я ещё не понимаю свободную речь — скоро научусь.", nil)
+			return h.reply(ctx, withNotice(expiredNotice, "я ещё не понимаю свободную речь — скоро научусь."), nil)
 		}
 		log.Printf("voice: router error: %v", err)
-		return h.reply(ctx, "не получилось разобрать команду.", nil)
+		return h.reply(ctx, withNotice(expiredNotice, "не получилось разобрать команду."), nil)
 	}
 
 	// 2b. dialogue — fill this turn's missing slots from a prior same-intent
@@ -447,7 +455,7 @@ func (h *reactiveHandler) HandlePushToTalk(ctx context.Context, req voice.PushTo
 	// stands.
 	if dec.Clarify {
 		if question, asked := h.askClarify(dec); asked {
-			return h.reply(ctx, question, nil)
+			return h.reply(ctx, withNotice(expiredNotice, question), nil)
 		}
 	}
 
@@ -463,7 +471,7 @@ func (h *reactiveHandler) HandlePushToTalk(ctx context.Context, req voice.PushTo
 
 	// 5. tts — synthesise the reply text; return to the voice server which
 	// ships it back on the conn.
-	return h.reply(ctx, replyText, nil)
+	return h.reply(ctx, withNotice(expiredNotice, replyText), nil)
 }
 
 // handleText — the core reactive path without stt/tts: confirm check →
@@ -478,7 +486,9 @@ func (h *reactiveHandler) handleText(ctx context.Context, text string) string {
 		return reply
 	}
 
-	// 1b2. clarify answer — same check as HandlePushToTalk.
+	// 1b2/1b3. expired clarify then clarify answer — same order and reasons as
+	// HandlePushToTalk.
+	expiredNotice := h.clarifyExpiredNotice()
 	if reply, handled := h.resolveClarifyAnswer(ctx, text); handled {
 		return reply
 	}
@@ -487,10 +497,10 @@ func (h *reactiveHandler) handleText(ctx context.Context, text string) string {
 	dec, err := h.router.Route(ctx, text, h.now())
 	if err != nil {
 		if errors.Is(err, router.ErrNoIntents) {
-			return "я ещё не понимаю свободную речь — скоро научусь."
+			return withNotice(expiredNotice, "я ещё не понимаю свободную речь — скоро научусь.")
 		}
 		log.Printf("voice: handleText router error: %v", err)
-		return "не получилось разобрать команду."
+		return withNotice(expiredNotice, "не получилось разобрать команду.")
 	}
 	log.Printf("voice: route result: intent=%s slots=%+v", dec.Intent, dec.Slots)
 
@@ -507,7 +517,7 @@ func (h *reactiveHandler) handleText(ctx context.Context, text string) string {
 	// 2c. clarify — same as HandlePushToTalk: ask about the one missing thing.
 	if dec.Clarify {
 		if question, asked := h.askClarify(dec); asked {
-			return question
+			return withNotice(expiredNotice, question)
 		}
 	}
 
@@ -519,7 +529,7 @@ func (h *reactiveHandler) handleText(ctx context.Context, text string) string {
 	if replyText == "" {
 		replyText = h.replier.Reply(dec)
 	}
-	return replyText
+	return withNotice(expiredNotice, replyText)
 }
 
 // applyAction — executes the router's Decision. Intent-by-intent: