mavend, voice: say the acknowledgements from the file (V-502)

The daemon tests that compared against one literal ask the entry instead: IsAck
names the line she could have said without pinning the wording. The eval scores
every ack variant on the persona checks the nudges already pass.

cmd/mavend/actions_note.go

@@ -5,6 +5,7 @@ import (
 	"log"
 	"strconv"
 
+	"github.com/kami/maven/internal/phraser"
 	"github.com/kami/maven/internal/router"
 )
 
@@ -23,13 +24,13 @@ func (h *reactiveHandler) actionNote(ctx context.Context, dec router.Decision) s
 	vec, err := router.EmbedPassage(ctx, h.embedder, dec.Utterance)
 	if err != nil {
 		log.Printf("voice: embed note: %v", err)
-		return "не получилось сохранить заметку."
+		return phraser.Ack(phraser.FailNote, nil)
 	}
 	noteTs := h.now()
 	noteID, err := h.api.WriteNote(ctx, noteTs, dec.Utterance, vec, "tap:voice")
 	if err != nil {
 		log.Printf("voice: write note: %v", err)
-		return "не получилось сохранить заметку."
+		return phraser.Ack(phraser.FailNote, nil)
 	}
 	// Insert into long-term memory (best-effort, must not fail the note write).
 	// text/ts in the meta make a Search hit self-describing (see bestRecall).