fix: make Windows signer entrypoints executable

.gitattributes

@@ -1,2 +1,3 @@
 project-docs/legal-policy-candidates/**/*.md text eol=lf
 project-docs/legal-policy-candidates/**/*.json text eol=lf
+*.cmd text eol=crlf

yuqei-infra/scripts/Approve-ReleaseCandidate.cmd

@@ -4,14 +4,14 @@ chcp 65001 >nul
 set "launcher=%~dp0Launch-ReleaseSigner.ps1"
 set "powershell=%SystemRoot%\System32\WindowsPowerShell\v1.0\powershell.exe"
 if not exist "%powershell%" (
-  echo 启动失败：系统缺少受信任的 Windows PowerShell。
-  echo 未创建候选批准，请将此窗口截图交给系统处理。
+  echo Signer startup failed: Windows PowerShell was not found.
+  echo No candidate approval was created. Send this window to system support.
   pause
   exit /b 2
 )
 "%powershell%" -NoLogo -NoProfile -NonInteractive -ExecutionPolicy Bypass -File "%launcher%" sign
 set "result=%ERRORLEVEL%"
 echo.
-if not "%result%"=="0" echo 签署未完成，未创建新的候选批准。
+if not "%result%"=="0" echo Signing did not complete. No new candidate approval was created.
 pause
 exit /b %result%

yuqei-infra/scripts/Initialize-ReleaseSigner.cmd

@@ -4,14 +4,14 @@ chcp 65001 >nul
 set "launcher=%~dp0Launch-ReleaseSigner.ps1"
 set "powershell=%SystemRoot%\System32\WindowsPowerShell\v1.0\powershell.exe"
 if not exist "%powershell%" (
-  echo 启动失败：系统缺少受信任的 Windows PowerShell。
-  echo 未创建审核密钥，请将此窗口截图交给系统处理。
+  echo Signer startup failed: Windows PowerShell was not found.
+  echo No reviewer key was created. Send this window to system support.
   pause
   exit /b 2
 )
 "%powershell%" -NoLogo -NoProfile -NonInteractive -ExecutionPolicy Bypass -File "%launcher%" initialize
 set "result=%ERRORLEVEL%"
 echo.
-if not "%result%"=="0" echo 初始化未完成，未创建审核密钥或候选批准。
+if not "%result%"=="0" echo Initialization did not complete. No reviewer key or candidate approval was created.
 pause
 exit /b %result%

yuqei-infra/tests/test_rc06_publication_batch.py

@@ -1797,7 +1797,11 @@ def test_windows_launcher_uses_isolated_runtime_and_ignores_pythonpath(
     assert json.loads(completed.stdout.splitlines()[-1])["status"] == "isolated_runtime_verified"
     assert not marker.exists()
     for name in ("Initialize-ReleaseSigner.cmd", "Approve-ReleaseCandidate.cmd"):
-        raw = SIGNER_SCRIPT.with_name(name).read_text(encoding="utf-8")
+        raw_bytes = SIGNER_SCRIPT.with_name(name).read_bytes()
+        raw = raw_bytes.decode("ascii")
+        assert b"\r\n" in raw_bytes
+        assert b"\n" not in raw_bytes.replace(b"\r\n", b"")
+        assert "chcp 65001 >nul\r\n" in raw
         assert "Launch-ReleaseSigner.ps1" in raw
         assert "where python" not in raw.casefold()