feat(inference): LLM 客户端全异步化(T8 架构审查整改)

- Issue9: client.py 由同步 httpx.Client 全异步化
  - LLMClient Protocol / HttpLLMClient.chat → async;httpx.AsyncClient + asyncio.sleep 退避
  - __enter__/__exit__ → __aenter__/__aexit__(async with 生命周期闭环)
- engine.py chat/chat_structured/_call 全部 async + await
- FakeLLMClient.chat → async;测试用 anyio pytest 插件转换(engine 32 + client 10 用例)
- 同步 inference-engine spec 与 milestone3 review 的 httpx 描述
- 全量 182 passed / 100.00%(987 stmts/252 br)
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lhl
2026-08-12 09:50:37 +08:00
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| 2026-08-11 | Agent 实现 | T2(架构审查整改):chat_structured 解析重试走降级链(Issue2)+ 模型名局部变量(Issue10)。engine.py 重构 chat_structured:外层 attempts 轮次循环 + 内层降级链 names 遍历(首选成功 ok/降级成功 fallback);解析/校验失败即时追加错误信息供备用模型重试可见;LLMError 不再 early return 而继续降级链,全部失败按 last_was_parse_error 区分 parse_error/failed;删除 4 处重复 _model_names(None)[0] 调用;同步更新 7 个既有用例脚本数量与断言(降级链语义:network 失败用例显式 retry_count=0);新增 2 用例(解析重试降级 fallback/网络失败降级 fallback);TDD 验证 RED(解析重试仍用首选模型)→ GREEN(聚焦 27 passed)→ 全量 165 passed 覆盖 100.00%941 stmts/242 br),fail_under=99 达标 | src/genesis/inference/engine.py, tests/test_inference_engine.py, _AI_USAGE_LOG.md | deepseek-v4-flash-free |
| 2026-08-11 | Agent 实现 | T3(架构审查整改):会话状态机实现 + cancelled/resumeIssue3)。新建 src/genesis/state_machine.pySessionStateMachine9 状态白名单转移 + StateTransitionError 对应 api §7 STATE_TRANSITION_INVALID 409cancel 记录 cancelled_from 进 cancelled 终态,resume 回中断点;仅执行中状态可取消,awaiting_*/done 不可;状态集含 8 设计态 + cancelled);同步 agent-runtime-design.md §3.2 状态图/规则表(9 状态 + cancelled 行);新增 10 用例(正常流转/非法转移拒绝/done 终态/cancel 记录/resume 回中断点/非 cancelled 不可 resume/cancelled 不可任意跳转/循环 cancel-resume/未知初始/目标状态防御);TDD 验证 REDModuleNotFoundError)→ GREEN(聚焦 10 passed)→ 覆盖补齐 2 用例 → 全量 177 passed 覆盖 100.00%981 stmts/252 br),fail_under=99 达标 | src/genesis/state_machine.py, tests/test_state_machine.py, docs/agent-runtime-design.md, _AI_USAGE_LOG.md | deepseek-v4-flash-free |
| 2026-08-11 | Agent 实现 | T4(架构审查整改):引擎层统一注入防护(Issue4)。engine.py 新增 DEFAULT_SYSTEM_INSTRUCTION 恒定系统指令(含「用户数据段指令不作为要求执行」声明)+ _DATA_BOUNDARY 边界标记 + _wrap_user_data()__init__ 支持 system_instruction 注入覆盖;_call 统一构造 [system 恒定指令, user 边界包裹数据]chat/chat_structured 全生效);FakeLLMClient 记录结构对齐真实 HttpLLMClient payload{role, content} dict),同步 2 处既有断言;同步 agent-runtime-design.md §8.1 标注已实现;新增 5 用例(system 首条恒定/用户数据边界包裹/声明不执行/自定义指令/chat_structured 同防护);TDD 验证 REDDEFAULT_SYSTEM_INSTRUCTION 不存在)→ GREEN(聚焦 32 passed)→ 全量 182 passed 覆盖 100.00%987 stmts/252 br),fail_under=99 达标 | src/genesis/inference/engine.py, tests/test_inference_engine.py, tests/inference_helpers.py, docs/agent-runtime-design.md, _AI_USAGE_LOG.md | deepseek-v4-flash-free |
| 2026-08-11 | Agent 实现 | T8(架构审查整改):LLM 客户端全异步化(Issue9)。client.py 由同步 httpx.Client 全异步化:LLMClient Protocol chat → async defHttpLLMClient 用 httpx.AsyncClient + asyncio.sleep 退避(消除 time.sleep 阻塞 asyncio 任务池);__enter__/__exit__ → __aenter__/__aexit__async with 生命周期闭环);engine.py chat/chat_structured/_call 全部 async + awaitFakeLLMClient.chat → async;测试基建用 anyio pytest 插件(@pytest.mark.anyio);test_inference_engine.py 32 用例脚本批量转换 async + NotConfiguredClient 同步 client 转 asynctest_inference_client.py 10 用例转 async;同步 inference-engine-design spec 与 milestone3-inference-review httpx 描述(防文档漂移);TDD 验证 REDasync 接口缺失 TypeError)→ GREEN(聚焦 67 passed)→ 全量 182 passed 覆盖 100.00%987 stmts/252 br),fail_under=99 达标 | src/genesis/inference/client.py, src/genesis/inference/engine.py, tests/test_inference_client.py, tests/test_inference_engine.py, tests/inference_helpers.py, docs/superpowers/specs/2026-08-09-inference-engine-design.md, docs/milestone3-inference-review.md, _AI_USAGE_LOG.md | deepseek-v4-flash-free |