docs(ci): [CI-01] record complete Chromium installed regression

refactor/risks.json

@@ -3208,11 +3208,13 @@
         "refactor/changes/2026-09-15-CI-01-adaptive-installed.md",
         "refactor/baselines/ci-adaptive-installed-validation.json",
         "refactor/baselines/ci-source-firefox-validation.json",
-        "refactor/changes/2026-09-15-SITE-EDITOR-VAST-01-consumer.md"
+        "refactor/changes/2026-09-15-SITE-EDITOR-VAST-01-consumer.md",
+        "refactor/changes/2026-09-15-CI-01-installed-chromium.md",
+        "refactor/baselines/ci-installed-chromium-validation.json"
       ],
       "compatibleResolution": "PKG-DASH-SEEK-01 已在候选插件按精确版本和真实空缓冲同步 SDK 指标，新旧核心及两引擎严格跳转通过。裸 SDK 4.5.2 和冻结旧插件仍保留原始失败；不伪造媒体事件、不偏移 seek、不强制升级 SDK，完整组合及发布验收仍开放。",
       "closureCriteria": "原失败的新旧核心/插件组合有确定根因与对应修复/可验证环境边界；原生对照及原顺序、原目标回归成立，后续偶然通过不能关闭。",
-      "workspaceState": "CI-01 十二包安装扩展中，裸 SDK 4.5.2 在 Chromium/Firefox 的恢复时间仍为 6，原断言大于 6.2 失败；候选插件集成通过不关闭裸 SDK 原始缺陷，完整失败报告保留。 Complete Firefox source run at 4545c4367 again fails the bare 4.5.2 control; all four candidate stable-boundary cases pass. Original failure remains open and unfiltered."
+      "workspaceState": "CI-01 十二包安装扩展中，裸 SDK 4.5.2 在 Chromium/Firefox 的恢复时间仍为 6，原断言大于 6.2 失败；候选插件集成通过不关闭裸 SDK 原始缺陷，完整失败报告保留。 Complete Firefox source run at 4545c4367 again fails the bare 4.5.2 control; all four candidate stable-boundary cases pass. Original failure remains open and unfiltered. Complete Chromium installed roster at 5e0447fc5, twenty freshly packed packages: 844/845 pass, with the same bare 4.5.2 currentTime=6 failure; all four installed candidate stable-boundary combinations pass. Original failure remains open."
     },
     {
       "id": "ADS-TYPE-01",