{
  "version": "candidate-20260228_220131",
  "created_at": "2026-02-28T22:01:32",
  "sample_file": "D:\\main\\tw\\evolution\\artifacts\\samples_20260228_220131.jsonl",
  "eval_file": "D:\\main\\tw\\evolution\\artifacts\\eval_report_20260228_220131.json",
  "proposal_file": "D:\\main\\tw\\evolution\\artifacts\\proposals_20260228_220131.json",
  "gate_report": {
    "sample_count": 132,
    "high_findings": 1,
    "high_findings_rate": 0.0076,
    "runtime": {
      "window_hours": 24,
      "counts": {
        "inbound_msg": 29,
        "quote_generated": 1,
        "transfer_to_human": 1,
        "system_inquiry_detected": 15,
        "system_inquiry_ignored": 2,
        "system_inquiry_auto_reply": 13
      },
      "rates": {
        "transfer_rate": 3.45,
        "quote_rate": 3.45,
        "ai_fail_rate": 0.0,
        "no_image_rate": 0.0
      }
    },
    "policy_gate": {
      "min_sample_count": 30,
      "max_high_findings_rate": 0.08,
      "max_ai_fail_rate": 5.0,
      "max_transfer_rate": 45.0
    },
    "reasons": []
  },
  "proposals": [
    {
      "id": "policy-risk-transfer",
      "priority": "p0",
      "module": "policy/prompt",
      "title": "风险关键词触发后强制转人工",
      "suggestion": "在风险路由的系统提示词中增加硬规则：遇到退款/投诉/法律威胁类诉求必须调用 transfer_to_human。",
      "evidence_count": 1
    },
    {
      "id": "tone-empathy-pack",
      "priority": "p1",
      "module": "policy/prompt",
      "title": "高风险场景补充安抚模板",
      "suggestion": "为投诉类回复追加一段安抚模板，降低激化概率。",
      "evidence_count": 1
    },
    {
      "id": "ops-regression-gate",
      "priority": "p0",
      "module": "eval/pipeline",
      "title": "上线前回归门禁",
      "suggestion": "新增候选策略必须在离线评测集上通过，再灰度 5% 流量后扩大。",
      "evidence_count": 132
    }
  ],
  "status": "ready_for_gray_5_percent"
}