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group_fqcd_jr/docs/evidence/20260918-t1-rebuild.json
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张胜宇 5d0becb67d 客服 Agent 重构收口:五出口决策链 + 知识库档位隔离 + 前端入参边界(答辩演示版本)
一、客服 Agent 智能增强(正面回应"不智能、动不动就转人工")
- 决策链由 2 个出口扩到 5 个:E1 澄清 / E2 计算型 / E3 知识直返 / E4 证据约束生成 / E5 分级回退
- 转人工从"默认动作"降为最后一档 E5c,只保留 4 类白名单:
  P0 反诈 / P1 账户与个人数据 / P2 写操作与争议 / 用户明确要求人工
- 46 条金标实测(修复前 → 修复后):
  转人工率 43.5% → 10.9%;出口准确率 45.7% → 100%;事实正确率 69.6% → 100%
  禁忌违反 1 → 0;档位越权 / 无出处数字 / 误拒 四项零容忍全 0
- 安全不变量 INV-1~INV-5;零容忍规则未删,改的是挂载点
  (输出侧字面黑名单 → 检索层档位隔离 + 判定层合规词表 + 输出守护)

二、知识库:档位单点化与物理隔离
- 新增 app/core/knowledge_tier.py 作为档位规则唯一落点(G-03),
  knowledge_contracts.py 原定义块改为显式再导出(X as X,非副本)
- 档位过滤由 bool 默认值(fail-open)改为 tiers 必填集合(缺参即 TypeError)
- Milvus 侧四集合按 visibility 分区键物理隔离;双 schema 收敛为一套
- 新增 app/core/actor.py:访客三元组与匿名判定的唯一构造/判定点(G-01/G-01b)
- 新增 app/core/fund_fee_rules.py:费率计算纯函数

三、前端入参边界对齐(本轮 W11 新修,4 处"校验宽于存储")
- message 加 max_length=8000(与浮窗 widget.js 的 maxlength 一致)
- session_id 加 1—64;idempotency_key 上限 128 → 64(对齐列宽 String(64))
- feedback_type 加 max_length=32(对齐列宽 String(32))
- 8 条路径参数补 min_length=1 + max_length=64 + 字符集正则
  ({session_id} / {run_id} / {handover_id})
- 改前超限值会落到 MySQL 才失败(500);改后一律 422 AGENT_INPUT_INVALID + 字段级定位
- 新增 tests/unit/api/test_frontend_boundaries.py(33 例),含"端点表 ↔ OpenAPI 全量对照"

四、投顾模块整体清除(D4.4 / D4.5)
- 删除投顾相关 controller / schema / model / repository / service 及门户页面
- tools/portal_api_check.py 同步作废 AD003/AD005/AD011/A047 四条用例与 advisor_t 登录
  (端点与账号均已不存在,此前稳定报 3 条假红)

五、验证(提交前实测)
- pytest -q:1856 passed / 2 skipped / 0 failed
- ruff check app tools tests:19(= 基线);mypy app:2(= 基线)
- 前端接口契约体检 portal_api_check.py:38 项,通过 34,失败 0,跳过 4
- 全链路冒烟 e2e_smoke_test.py --read-only:31/31
- HTTP 全链路探针 http_probe.py:11/11 succeeded
- 跨文档一致性 _consistency.py:GATE PASS
- 真机边界复验 12 条:12/12 符合预期

六、纪律与文档
- 可改文件白名单 A-09(docs/46)与底座会签申请单 A-10(docs/47,组 1—组 4 全部受理)
- 零 DDL:未新增/修改任何表结构,89 张业务表与基线一致
- 证据留痕:docs/evidence/**(含 46 条金标 score、快照、清除与重建记录)
- 未提交(刻意排除,见提交说明):仓库内 客服agent/ 与 开发文档/ 是 2026-09-16 前的
  过期副本(Todolist 440 行 vs 权威 D2.1 1167 行),权威正本在仓库外;
  _chunks_report.txt 是 tools/build_knowledge_chunks.py 生成的本地产物
2026-09-20 14:33:30 +08:00

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{
"artifact": "t1-knowledge-rebuild",
"date": "2026-09-18",
"decision_refs": [
"DEC-29",
"DEC-30",
"DEC-31",
"DEC-32",
"H-05",
"乙-16"
],
"source_of_truth": "knowledge/_chunks.jsonl (regenerated from 2026-09-17 整改后源文件)",
"chunks_jsonl": {
"total": 628,
"by_collection": {
"fin_policy_collection": 288,
"fin_product_collection": 191,
"fin_faq_collection": 149
},
"by_visibility": {
"public": 603,
"registered": 25
},
"by_collection_visibility": {
"fin_faq_collection|public": 139,
"fin_faq_collection|registered": 10,
"fin_policy_collection|public": 288,
"fin_product_collection|public": 176,
"fin_product_collection|registered": 15
},
"registered_doc_ids": [
"FAQ-0017",
"FAQ-0020",
"FAQ-0021",
"FAQ-0027",
"FAQ-0028",
"FAQ-0029",
"FAQ-0030",
"FAQ-0033",
"FAQ-0047",
"FAQ-0053",
"HNW-001",
"HNW-001-01",
"HNW-001-02",
"HNW-001-03",
"HNW-001-04",
"HNW-002",
"HNW-003",
"HNW-003-01",
"HNW-003-02",
"HNW-003-03",
"HNW-003-04",
"HNW-004",
"HNW-005",
"HNW-006",
"HNW-007"
],
"brand_literals": {
"南方基金": 557,
"南方科技": 0,
"奶龙": 0,
"南方财富": 0,
"400-889-8899": 24,
"nffund.com": 21
},
"longest_content_chars": 2828,
"longest_content_doc_id": "POL-AST-009"
},
"milvus_live": {
"fin_faq_collection": {
"row_count": 149,
"unique_doc_id": 149,
"visibility": {
"public": 139,
"registered": 10
},
"stats_row_count": 149
},
"fin_policy_collection": {
"row_count": 288,
"unique_doc_id": 288,
"visibility": {
"public": 288
},
"stats_row_count": 288
},
"fin_product_collection": {
"row_count": 191,
"unique_doc_id": 191,
"visibility": {
"registered": 15,
"public": 176
},
"stats_row_count": 191
}
},
"visibility_probe": {
"note": "实机探针:KnowledgeSearchService + 真实千问向量化,2026-09-18",
"guest_public_query": {
"query": "基金赎回几天到账",
"include_internal": false,
"degraded": false,
"top_score": 0.8446,
"top1": "FAQ-0026",
"top1_visibility": "public"
},
"registered_query_filtered": {
"query": "高净值客户有什么权益",
"include_internal": false,
"degraded": false,
"top_score": 0.5486,
"top1": "FAQ-0024",
"top1_visibility": "public",
"verdict": "低于 0.75 高置信门槛 ⇒ 兜底转人工;registered 25 块对所有档位均不可见"
},
"registered_query_unfiltered": {
"query": "高净值客户有什么权益",
"include_internal": true,
"degraded": false,
"top_score": 0.7604,
"top1": "HNW-006",
"top1_visibility": "registered"
},
"root_cause": "knowledge_tool.py 调用 search() 未传 include_internal ⇒ 默认 False ⇒ 恒拼 visibility==\"public\";登录客户与访客拿到同一档位"
},
"gate_rerun_20260918": {
"pytest": "7 failed, 1441 passed, 2 skipped",
"ruff": "22 errors (11 fixable) - 与基线一致,均为既有问题",
"mypy": "3 errors - 与基线一致,均为既有问题",
"check_authoritative_docs": "0 (50 文档无编号冲突)",
"audit_schema": "0 (89 张业务表)",
"verdict": "相对 T0 基线 0 回归"
},
"pending": [
"H-05 双向验证的客户档未通过:需会签 D-01/D-02(_visibility_filter 改 tiers: frozenset[str])",
"Milvus row_count 为 upsert 未压缩前的乐观值(2x),需 compaction 或运维确认",
"D2.4 HTML 待回改:schema 字段表 / 档位值变更语义 / _chunks 行数 636→628"
]
}