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/ack.go

@@ -16,6 +16,7 @@ import (
 	"log"
 
 	"github.com/kami/maven/internal/loop"
+	"github.com/kami/maven/internal/phraser"
 	"github.com/kami/maven/internal/router"
 	"github.com/kami/maven/internal/store"
 )
@@ -35,10 +36,10 @@ func (h *reactiveHandler) resolveAck(ctx context.Context, text string, src turnS
 	}
 	if err := h.api.ResolveNudge(ctx, target.ID, store.NudgeActed, now); err != nil {
 		log.Printf("voice: ack nudge %d (%s, %s): %v", target.ID, target.Rule, src, err)
-		return "не получилось отметить.", true
+		return phraser.Ack(phraser.FailAck, nil), true
 	}
 	log.Printf("voice: acked nudge %d (rule %s) from %s", target.ID, target.Rule, src)
-	return "отлично, отметила.", true
+	return phraser.Ack(phraser.AckNudge, nil), true
 }
 
 // ackFromFact — post-action hook, called once the turn's decision has been