{
  "artifact": "t2b-accept-pipeline",
  "generated_at": "2026-09-18T10:29:36.863390Z",
  "date_local": "2026-09-18",
  "purpose": "D2.1 T2 第二步：受理服务随客服模块清除被剥掉的 4 项能力中，补齐 3 项、有意放弃 1 项",
  "trigger": "T2-1 的基线红测试 test_agent_run_acceptance::test_customer_service_accept_redacts_sensitive_message_before_persistence 查明了原因：受理时的消息脱敏不存在，客户原始凭据明文落库",
  "removed_capabilities_and_disposition": [
    {
      "capability": "受理时消息脱敏 sanitize_customer_service_message",
      "head_reference": "HEAD:app/service/agent_run_application_service.py:149",
      "before": "ConversationMessage.content = request.message（原文）",
      "after": "stored_request = request.model_copy(update={'message': sanitize(...)})；落库与幂等哈希都用脱敏形状",
      "why_hash_too": "幂等哈希若仍用原文，同一请求的两次提交会因「原文 vs 脱敏文本」算出两个哈希而互相冲突",
      "status": "已恢复"
    },
    {
      "capability": "chitchat_streak 服务端覆写",
      "before": "无写入方（Agent 侧 request.metadata.chitchat_streak 恒为 0，收口引导永不触发）",
      "after": "chitchat_streak() 与两张闲聊表从已删的 customer_service_routing.py 收口进 app/core/customer_service_rules.py；受理时用已落库历史重算并覆写",
      "status": "已恢复"
    },
    {
      "capability": "clarification_round 服务端覆写",
      "before": "无写入方；且 Agent 的 E5a 读 context.clarification_round 恒为 0，同话题上限 2 轮失效",
      "after": "受理时取自会话行并夹紧到 le=2（model_copy(update=...) 不校验）；Agent 的 E5a 改读 request.metadata.clarification_round",
      "status": "已恢复"
    },
    {
      "capability": "session_context（Redis 短期上下文）",
      "before": "无消费方",
      "after": "有意不做：Agent 用的是 Worker 侧 request.history（MySQL 且按主体过滤，见 runtime._conversation_history）；恢复 Redis 双写只带来不一致与 TTL 成本。元数据中显式覆写为空元组",
      "status": "有意放弃（留痕）"
    },
    {
      "capability": "MySQL 历史回退读",
      "before": "只按 session_id 取历史、跨主体可读（缺陷本体）",
      "after": "不恢复旧实现；新链路走 ConversationRepository.messages(session_id, user_id, ...)（按 customer_id 过滤），与 Worker 侧同源同口径",
      "status": "以新链路重写（F-01 前置满足）"
    }
  ],
  "deliverables": [
    "app/core/customer_service_rules.py（新增 CHITCHAT_MESSAGES / CHITCHAT_PHRASES / is_chitchat_message / chitchat_streak）",
    "app/service/agent_run_application_service.py（stored_request 脱敏、幂等哈希改用脱敏形状、build_outbox_metadata 恢复客服覆写、新增 _recent_user_messages）",
    "app/service/agent/implementations/customer_service.py（E5a 改读 request.metadata.clarification_round）",
    "tests/unit/service/test_agent_run_outbox_metadata.py（新建）",
    "tests/unit/core/test_customer_service_rules.py（补闲聊判定与连续计数用例）"
  ],
  "gates": {
    "pytest": "6 failed, 1501 passed, 2 skipped（T0 基线 8/1440/2；上一轮 7/1482/2）",
    "pytest_no_new_failures": true,
    "pytest_fixed_relative_to_baseline": [
      "tests/unit/tools/test_rbac_seed_consistency.py::test_permission_ids_are_consistent_between_seed_and_grant_scripts",
      "tests/integration/test_agent_run_acceptance.py::test_customer_service_accept_redacts_sensitive_message_before_persistence"
    ],
    "pytest_remaining_failures_are_baseline_subset": [
      "tests/integration/test_compliance_seed_mysql.py x4",
      "tests/integration/test_profile_snapshot_current_invariant_mysql.py",
      "tests/integration/test_worker_runtime_mysql.py::test_http_accept_worker_commit_query_and_repeat[False]"
    ],
    "ruff": "Found 22 errors（与 T0 基线逐项相同）",
    "ruff_changed_files": "All checks passed",
    "mypy": "Found 3 errors in 3 files (checked 231 source files)——与基线 3 项逐项相同，均不在本次改动文件内",
    "check_authoritative_docs": "checked 50 documents, no number collision",
    "audit_schema": "schema audit passed: 89 business tables, no missing or unexpected tables"
  },
  "chitchat_streak_spotcheck": {
    "streak(['你好','谢谢','再见'], '哈喽')": 4,
    "streak(['你好','费率是多少'], '哈喽')": 1,
    "streak([], '费率是多少')": 0,
    "streak(5 x chitchat, '你好')": 5,
    "is_chitchat('你好吗')": false,
    "note": "「你好吗」不是词表成员：一期就是精确匹配，未放宽成前缀匹配"
  },
  "docs_writeback": [
    "开发文档/D1.6-...md 新增 §4.10 第六轮会话记录",
    "客服agent/D2.1-客服Agent执行Todolist.md 新增 v5.7 修订要点",
    "group_fqcd_jr/docs/customer-service-routing-legacy-keywords.md 新增 §六 词表最终落点"
  ],
  "open_items": [
    "E2 计算型出口（H-02）未实现",
    "E4 证据约束生成（H-03）未实现",
    "合规种子未跑：agent_negative_word / agent_reply_template 均 0 行 active（C-05 / C-06）",
    "prompt_template_version.customer_service_chitchat 的 system_prompt 仍写旧品牌「南方财富」",
    "P0 拆级（硬级建单 / 凭据级不建单 + 求助问法放行）已批准，待在 C-03 落地",
    "admin / advisor / operator 档位仍收敛为 {public}，待裁定"
  ],
  "honesty": "6 项失败全部是 T0 基线失败的子集，无新增；E2/E4 未实现，属能力缺口而非完成。"
}