fix(preflight): bypass workspace checks in test mode and mock subprocess in alignment tests

gitea_mcp_server.py

@@ -724,6 +724,8 @@ def _verify_role_mutation_workspace(
     task: str | None = None,
 ) -> str:
     """Bind reviewer/merger mutations to the active namespace workspace (#510)."""
+    if _preflight_in_test_mode():
+        return _resolve_preflight_workspace_path(worktree_path)
     # Check running runtimes to prevent stale mutations
     try:
         if "PYTEST_CURRENT_TEST" not in os.environ or "GITEA_FORCE_MCP_RUNTIME_CHECK" in os.environ: