chore: add one-time windows cross-check setup

1 files changed, 7 insertions, 3 deletions

diff --git a/justfile b/justfile
index 0dcce374..74e17848 100644
--- a/justfile
+++ b/justfile
@@ -13,7 +13,7 @@ test:
 
 # Run repository maintenance contract tests
 maintenance-test:
-    {{python}} -m unittest scripts.test_agent_detection_manifest_check scripts.test_changelog scripts.test_config_reference_check scripts.test_docs_translation_parity scripts.test_hermes_integration_asset scripts.test_package_windows_conpty scripts.test_preview scripts.test_unix_installer scripts.test_vendor_libghostty_vt scripts.test_vendor_portable_pty
+    {{python}} -m unittest scripts.test_agent_detection_manifest_check scripts.test_changelog scripts.test_config_reference_check scripts.test_docs_translation_parity scripts.test_hermes_integration_asset scripts.test_package_windows_conpty scripts.test_preview scripts.test_unix_installer scripts.test_vendor_libghostty_vt scripts.test_vendor_portable_pty scripts.test_windows_cross
 
 # Run one nextest filter, e.g. `just test-one codex_stale_working`
 test-one filter:
@@ -41,11 +41,15 @@ ci filter='all()': lint
     just ui-hot-path-architecture-test
     just integration-assets-test
 
+# Download the Windows SDK once (requires xwin; prompts for Microsoft's SDK license)
+[unix]
+setup-windows-cross *args:
+    {{python}} scripts/windows_cross.py setup {{args}}
+
 # Run Windows target lint from Unix/macOS to catch cfg(windows) compile and clippy failures before CI
 [unix]
 windows-lint:
-    rustup target add x86_64-pc-windows-msvc
-    LIBGHOSTTY_VT_SIMD=false cargo clippy --bin herdr --locked --target x86_64-pc-windows-msvc -- -D warnings
+    {{python}} scripts/windows_cross.py lint
 
 # Check formatting + run unit tests + Windows target lint + documentation contract tests
 [unix]