Update release script parity assertions

tests/release_scripts.rs

@@ -296,8 +296,20 @@ fn windows_installer_generates_hosts_config_like_unix() {
             "Windows installer missing host config setting {setting}"
         );
     }
-    assert!(ps1.contains("$hostUdp = if ($DoshHost) { $DoshHost } else { $defaultServer }"));
-    assert!(ps1.contains("Set-Content -NoNewline -Encoding utf8 $hostsConfig"));
+    assert!(install.contains("host_udp_line=\"# dosh_host = \\\"server.example.com\\\"\""));
+    assert!(
+        ps1.contains("$hostUdpLine = if ($DoshHost)")
+            && ps1.contains("# dosh_host = `\"server.example.com`\""),
+        "Windows installer should not bake an SSH target into dosh_host"
+    );
+    assert!(
+        ps1.contains("Write-Utf8NoBom $hostsConfig $hostsToml"),
+        "Windows installer should write TOML as UTF-8 without BOM"
+    );
+    assert!(
+        !ps1.contains("Set-Content -NoNewline -Encoding utf8 $hostsConfig"),
+        "PowerShell Set-Content -Encoding utf8 can write a BOM on older hosts"
+    );
 }
 
 #[test]
@@ -315,6 +327,9 @@ fn package_check_verifies_only_artifacts_it_builds() {
         .expect("package-check target");
     assert!(package_check.contains("package-release-linux"));
     assert!(package_check.contains("package-release-windows"));
+    assert!(package_check.contains("package-release-windows-arm64"));
+    assert!(package_check.contains("aarch64-w64-mingw32-clang"));
+    assert!(package_check.contains("aarch64-pc-windows-gnullvm"));
     assert!(package_check.contains("dosh-linux-x86_64.tar.gz"));
     assert!(package_check.contains("dosh-windows-x86_64.zip"));
     assert!(