refactor(tests): Add strict type hints to fifth batch of test files

conductor/tests/test_infrastructure.py

@@ -2,7 +2,7 @@ import subprocess
 import pytest
 import os
 
-def run_ps_script(role, prompt):
+def run_ps_script(role: str, prompt: str) -> subprocess.CompletedProcess:
  """Helper to run the run_subagent.ps1 script."""
  # Using -File is safer and handles arguments better
  cmd = [