张胜宇
9675df8453
- 分支内容对齐 qyqy_develop b6ec3aa，树完全一致（同步后 git diff 为空） - 覆盖本轮全部交付：客服 Agent 重构（安全路由 / 五出口 / 记忆与画像 / RAG 全链路） + 开发文档 62 份编号体系（D1.1 v1.17 索引） + 新增 D2.10-客服Agent端到端答辩文档-2026-09-21.html - 基线：e239eb7（2026-09-17 品牌口径统一快照），本提交为其直接后继
166 lines
8.5 KiB
JSON
166 lines
8.5 KiB
JSON
{
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"artifact": "t2k-c10-source-reference-downgrade",
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"generated_at": "2026-09-19T01:41:43.772361+00:00",
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"date_local": "2026-09-19",
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"purpose": "执行 C-10「知识出口来源引用」（关键路径 C-01 → C-03 → C-09 → C-06 → C-07 → C-10 的收口步）；裁定取「乙 · 本期降级」并加双向护栏",
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"scope": [
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"app/service/agent/implementations/customer_service.py（业务层：_references 降级为死代码并写明依据）",
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"tests/unit/service/test_customer_service_agent.py（护栏 A：AST 守无调用点）",
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"tests/unit/service/test_agent_governance.py（护栏 B：knowledge 来源必被拒）",
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"开发文档对应的 D2.2 / D2.4（口径回写，另见 D2.1 v6.6 / D1.6 §4.19）"
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],
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"decision": {
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"chosen": "乙 · 本期降级（不向客户展示来源引用）",
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"rejected": "甲 · 底座方先登记知识来源并放行（需会签）",
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"why_b": "甲依赖底座方改造 ToolExecutor 与治理层放行 knowledge 来源，属不可控外部依赖；本模块今天要交付，不能把交付卡在别人会签上。乙的代价只是「不展示出处」，可追溯性并未丢失（见下）。",
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"why_not_silent": "降级不是静默丢弃：D2.2 的 FR-CS-010 与验收表、D2.4 的 §5.7 与 G4/AC-06 都写明了「本期降级」及其技术原因与启用前提，避免下一轮误当成已完成功能。",
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"reversibility": "完全可逆：代码本体（_references）保留在位，护栏只是禁止调用；底座方放行后删掉护栏断言即可接通。"
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},
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"technical_reason": {
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"gate": "app/service/agent/governance.py:314-316（review_output 的来源白名单只认 memory / tool）",
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"failure_mode": "knowledge 来源会被判为「引用未来自本次已授权召回结果」，抛出 ForbiddenAgentError ⇒ **整个 run 失败**，不是降级、也不是少一个字段",
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"red_line": "S-8",
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"traceability_instead": "可追溯性由审计承接：agent.tool_executed 的工具调用记录含命中 doc_id 与分数；消息表亦留痕"
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},
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"implementation": {
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"docstring": "_references() 的 docstring 重写为「保留待用的死代码 —— 本期（MVP）不向客户展示来源引用」，写明 governance.py:314-316、S-8、审计承接、启用前提须会签",
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"helper_state": "函数体原样保留（source_type=\"knowledge\" 的 SourceReference 组装逻辑未改）",
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"no_call_sites": "改用其他出口返回正文；零调用点"
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},
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"guardrails": {
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"A_ast_no_call": {
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"file": "tests/unit/service/test_customer_service_agent.py",
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"test": "test_knowledge_exit_never_calls_the_disabled_reference_helper",
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"method": "ast.walk 找 ast.Call 且 func.attr == \"_references\"，断言 calls == []",
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"why_ast": "该名字会合法出现在注释与文档字符串里，纯文本搜索会把「提一句」误判成「调用」",
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"second_assert": "同时断言 _references 函数定义仍在位（清理时不得被连带删除）"
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},
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"B_governance_rejects": {
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"file": "tests/unit/service/test_agent_governance.py",
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"test": "test_knowledge_reference_is_rejected_so_it_must_stay_disabled",
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"method": "以 source_type=\"knowledge\" 的 SourceReference 调 review_output，断言抛 ForbiddenAgentError",
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"why": "把「本期为何必须降级」的技术原因钉成可执行断言：若将来底座放行，这个测试会失败并提醒同步移除护栏 A"
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}
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},
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"html_downgrade_points": [
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{
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"doc": "D2.2",
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"locator": "FR-CS-010 行",
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"change": "追加 ⏸ 2026-09-19 本期降级说明 + <span class=\"pill p2\">⏸ 本期降级</span>"
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},
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{
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"doc": "D2.2",
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"locator": "US-CS-01 行",
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"change": "期望值补「⏸ 本期不展示来源引用：C-10 乙」"
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},
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{
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"doc": "D2.2",
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"locator": "验收表 · 一 · 功能正确性",
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"change": "「每条须带来源引用」→「⏸ 本期豁免（改由审计承接）」"
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},
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{
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"doc": "D2.4",
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"locator": "§5.7 末尾",
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"change": "追加降级段：governance.py:314-316、S-8、_references() 死代码 + 护栏、启用前提须会签"
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},
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{
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"doc": "D2.4",
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"locator": "G4 行",
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"change": "「可追溯」补「⏸ 本期：来源引用降级，可追溯性由审计承接」"
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},
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{
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"doc": "D2.4",
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"locator": "§5.7 三条要求 ①",
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"change": "「知识类回答必须附来源」补「⏸ 本期降级，见下段」（本轮新发现的口径残留，与降级冲突）"
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},
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{
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"doc": "D2.4",
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"locator": "AC-06 行",
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"change": "判据补「⏸ 本期豁免：C-10 乙不展示来源引用，改由审计承接」（同上，本轮新发现）"
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}
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],
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"eol_check": {
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"D2.2": "CRLF（本轮编辑后复核）",
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"D2.4": "LF —— 编辑后实测 bytes=147917, bareLF=1758, CRLF=0，与改前同为纯 LF，EOL 未被改写"
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},
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"gates": {
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"targeted_pytest": {
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"files": 4,
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"passed": 164,
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"failed": 0,
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"command": "pytest -q tests/unit/service/test_customer_service_agent.py tests/unit/service/test_agent_governance.py tests/unit/core/test_customer_service_rules.py tests/unit/core/test_compliance_context.py"
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},
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"ruff": {
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"scope": "app tests tools",
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"errors": 22,
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"note": "等于基线，无新增"
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},
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"mypy": {
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"scope": "app",
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"errors": 3,
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"note": "等于基线（agent_persistence_service.py:82 / run_query_service.py:79 / promotion_renderer.py:84，均为既有问题）"
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}
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},
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"not_done_in_this_step": [],
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"open_questions": {
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"C-10_enablement": "若后续要展示出处，需底座方：① ToolExecutor 把工具返回的知识 doc_id 登记为本次可引用来源；② 治理层放行 knowledge 来源。两步都要会签。"
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},
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"closure_after": {
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"document_writeback": "已完成：D2.1 升 v6.6（C-10 行标 [x] + 修订要点）、D1.6 新增 §4.19（第十五轮会话记录）",
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"full_gate": "已完成，见 full_gate"
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},
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"full_gate": {
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"pytest": {
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"command": "pytest -q -p no:cacheprovider",
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"result": "2 failed / 1579 passed / 2 skipped",
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"note": "2 failed = T0 基线同两项（profile_snapshot_current_invariant / worker_runtime[False]），不计入本轮回归；passed 1577 → 1579，增量 = 本步新增的 2 条护栏"
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},
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"ruff": {
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"command": "ruff check app tests tools",
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"errors": 22,
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"note": "= 基线"
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},
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"mypy": {
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"command": "mypy app",
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"errors": 3,
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"note": "= 基线"
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},
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"authoritative_docs": {
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"command": "python tools/check_authoritative_docs.py",
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"result": "checked 50 documents, no number collision"
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}
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},
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"environment_finding": {
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"title": "残留 Worker 抢消费 outbox 事件 ⇒ 集成测试偶发失败（环境级，非代码回归）",
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"first_symptom": "全量首跑多出第 3 个失败：tests/integration/test_memory_extraction.py::test_memory_is_not_recallable_across_customers",
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"diagnosis_steps": [
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"① 单文件重跑两次 → 3/3 通过 ⇒ 不稳定，不是确定性缺陷",
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"② 按同一链路脚本复现 seed → enqueue → consume_once → 返回 True ⇒ 消费机制本身正常",
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"③ 无人消费检测：插入一条 pending 事件后只观察、不消费 → 1 秒内被外部进程改成 published ⇒ 存在外部消费者"
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],
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"root_cause": "2026-09-18 17:52 启动的残留服务一直存活，其中 python -m app.worker 会抢消费 outbox 事件，与测试自身的 consume_once(aggregate_id=...) 竞争，先到先得 ⇒ 测试偶发拿不到事件而返回 False",
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"processes": [
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{
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"pid": 27204,
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"child": 8740,
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"cmd": "uvicorn app.main:app --host 127.0.0.1 --port 8000"
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},
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{
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"pid": 27084,
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"child": 2204,
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"cmd": "python -m app.worker"
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}
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],
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"action": "经用户批准，已 Stop-Process 停掉 4 个 PID；停止后全量 pytest 回到 2 failed 基线",
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"reusable_lessons": [
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"与 A-02「门禁基线前先停 Worker」完全吻合 —— 该前置不是形式主义，不停就会污染集成测试",
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"印证 S-7：知识集合重建后这两个服务早已过期",
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"遇到集成测试失败，先做「无人消费检测」排除外部消费者，再怀疑代码"
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]
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},
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"demo_precondition": {
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"issue": "API 与 Worker 现已停止（8000 端口无监听）",
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"must_do": "演示前按 S-7 重启 API + Worker，否则前端问答直接连不上"
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}
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}
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