config: a parallel leaf with no live counterpart is read bare (#36620)

Co-authored-by: Claude Opus 5 <noreply@anthropic.com>

test/registered/unit/server_args/test_resolution_is_reproducible.py

@@ -863,7 +863,7 @@ class TestACopyStaysResolved(_RestoresProcessState, CustomTestCase):
         self.addCleanup(reset_context)
         reset_context()
         publish(copy_, role="scheduler")
-        self.assertEqual(get_parallel().config.dist_init_addr, "1.2.3.4:5000")
+        self.assertEqual(get_parallel().dist_init_addr, "1.2.3.4:5000")
         self.assertEqual(
             get_schedule().chunked_prefill_size,
             resolution_result(parent, "chunked_prefill_size"),