W17: close 9 audit findings — atomic pointers, SSE robustness, leak fix, verification (W17.1-W17.4)

- W17.1 (曹武): Verify F-13.3-1/2/3 all fixed by W14.1, close 3 findings (1 CRITICAL + 1 HIGH + 1 MEDIUM)
- W17.2 (赵码): Fix F-13.2-3 SSE [DONE] sentinel trimming + F-13.2-4 g_host/g_http/g_config atomic pointers in deepseek_plugin
- W17.3 (王测): Verify 4 W14 findings (F-13.1-1/4, F-13.2-1/2) + F-11.7-2 confirmed fixed, close 5 findings
- W17.4 (马奔): Fix F-13.1-2 response_body leak on error path + F-13.1-3 g_host/g_http atomic pointers in anthropic_plugin

Build 0 error, ctest 4/4 pass, metadata check clean.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

agents/qa-wang/profile.md

@@ -45,6 +45,9 @@ performance_log:
   - date: 2026-05-27
     event: "W15.8: 根据 W15.5 审查发现修复 §14 内部问题 + PROMPT_TEMPLATE 缺失标注。Fix1: findings-registry.md Closed Date→Close Date + 字段定义补注。Fix2: WORKFLOW.md §14.3 新增历史发现时限计算说明。Fix3: WORKFLOW.md §14.6 新增存量审计报告缺失 Findings Summary 处理指南。Fix4: PROMPT_TEMPLATE.md 交付清单新增 Finding 关联行 + 反模式7。4项全部完成。"
     rating: A
+  - date: 2026-05-27
+    event: "W17.3: 验证 W14 已修复的 4 条发现并关单 + F-11.7-2。F-13.1-1 (anthropic 6 C ABI try/catch) PASS，F-13.1-4 (sse_line_callback 异常保护) PASS，F-13.2-1 (deepseek C++ 异常被外层 catch) PASS，F-13.2-2 (非对称异常保护已消解) PASS。F-11.7-2 /clear 命令代码已有 g_session null 检查 (L168-174)，无需修改代码直接关单。5 条全部 CLOSED。编译 0 error + ctest 4/4 pass。"
+    rating: A
 current_groups:
   - grp-quality-core (组长)
 ---