docs,config: aggiorna AGENTS.md, config.example, HOST-SETUP.md, checklist faseA e fix vari orchestrator (workstation, build, job, wait, winrm, test)

src/ci_orchestrator/backends/workstation.py

@@ -121,11 +121,16 @@ class WorkstationVmrunBackend:
         args: list[str] = [handle.identifier]
         if timeout > 0:
             args.extend(["-wait"])
-        result = self._run("getGuestIPAddress", *args, check=False, timeout=timeout or None)
+        try:
+            result = self._run("getGuestIPAddress", *args, check=False, timeout=timeout or None)
+        except subprocess.TimeoutExpired:
+            return None
         if result.returncode != 0:
             return None
         ip = (result.stdout or "").strip()
-        return ip or None
+        if not ip or ip.lower().startswith("error:"):
+            return None
+        return ip
 
     def list_snapshots(self, handle: VmHandle) -> list[str]:
         result = self._run("listSnapshots", handle.identifier)