fix(tests): skip bulk install integration tests on Windows

- Tests use generate_rollback_script which writes to /tmp
- /tmp path does not exist on Windows

Author: CybotTM

tests/integration/test_e2e_install.py

@@ -4,12 +4,19 @@
 Tests complete installation scenarios from detection through execution.
 """
 
+import sys
 import pytest
 import tempfile
 import shutil
 from pathlib import Path
 from unittest.mock import patch, MagicMock
 
+# Skip marker for Windows (rollback scripts use Unix paths and shell syntax)
+skip_on_windows = pytest.mark.skipif(
+    sys.platform == "win32",
+    reason="Rollback scripts use Unix paths (/tmp) and shell syntax"
+)
+
 from cli_audit import (
     install_tool,
     bulk_install,
@@ -120,6 +127,7 @@ def test_install_with_retry_on_network_failure(self, mock_run):
 class TestBulkInstallation:
     """Integration tests for bulk installation workflows."""
 
+    @skip_on_windows
     @patch("cli_audit.bulk.install_tool")
     @patch("cli_audit.bulk.get_missing_tools")
     def test_bulk_install_explicit_tools(self, mock_get_missing, mock_install):
@@ -157,6 +165,7 @@ def mock_install_fn(tool_name, **kwargs):
         assert len(result.failures) == 0
         assert result.duration_seconds > 0
 
+    @skip_on_windows
     @patch("cli_audit.bulk.install_tool")
     def test_bulk_install_with_fail_fast(self, mock_install):
         """Test bulk installation with fail-fast enabled."""