diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b1d893e..8cc14db 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -42,3 +42,17 @@ jobs:
             [ -f "$f" ] || continue
             node --check "$f" || exit 1
           done
+
+  # v0.2.29 教训：Windows pytest 此前只在 tag 触发的 Build Release 跑
+  # （test.yml 仅 ubuntu）——FakeGitRun git.EXE 大小写 bug（#723）等 Windows-only
+  # 测试回归要到发版构建才暴露。每个 PR 都应在 Windows 上跑 pytest 门禁。
+  test-windows:
+    runs-on: windows-2025
+    steps:
+      - uses: actions/checkout@v5
+      - uses: astral-sh/setup-uv@v5
+        with:
+          python-version: "3.13"
+      - run: uv sync
+      - name: Python tests (Windows)
+        run: uv run pytest tests/ -v
diff --git a/Agent.md b/Agent.md
index 15f7242..cc4a76c 100644
--- a/Agent.md
+++ b/Agent.md
@@ -120,7 +120,7 @@ pkill -f "emrg.server"; rm -f ~/.emrg/emrgd.port; python -m emrg
 
 Python: `uv run pytest tests/ -v` (758) — import check: `uv run python -c "from emrg.client.app import run_client"`
 GUI: `cd emrg/gui && npm test` (229: 44 daemon_client + 19 conn-manager + 22 app-commands + 107 renderer smoke + 15 i18n + 7 integration + 3 commands + 5 build-config + 7 gui-state) — syntax: `node --check main.js preload.js daemon_client.js renderer/js/*.js`
-CI: `uv run pytest` + GUI tests + **actionlint workflow lint** (`rhysd/actionlint@v1.7.12` gate, #444 — workflow 解析错误在 PR CI 即失败，如 `if:` secrets 上下文)
+CI: `uv run pytest` (ubuntu + **windows-2025 matrix** — Windows pytest 回归在 PR CI 即失败，v0.2.29 教训 #724) + GUI tests + **actionlint workflow lint** (`rhysd/actionlint@v1.7.12` gate, #444 — workflow 解析错误在 PR CI 即失败，如 `if:` secrets 上下文)
 Re-trigger: `scripts/re-trigger-ci.sh [branch]` (workflow_dispatch, #527 — 替代空 commit 重触发：Actions outage 会整段丢弃 push 事件，dispatch 走 API 路径不受影响)
 
 ## Packaging