export class VoiceMetrics {
  constructor() { this.startedAt = Date.now(); this.wakeAccepts = 0; this.wakeRejects = 0; this.feedbackDrops = 0; this.utterances = 0; this.replies = 0; }
  wakeAccepted() { this.wakeAccepts += 1; }
  wakeRejected() { this.wakeRejects += 1; }
  feedbackDrop() { this.feedbackDrops += 1; }
  utterance() { this.utterances += 1; }
  reply() { this.replies += 1; }
  snapshot() { return { uptimeMs: Date.now() - this.startedAt, wakeAccepts: this.wakeAccepts, wakeRejects: this.wakeRejects, feedbackDrops: this.feedbackDrops, utterances: this.utterances, replies: this.replies }; }
}