ver1-step2 implemented

tests/test_config.py

@@ -61,3 +61,13 @@ class TestPathSettings:
         settings = _make_settings()
         assert isinstance(settings.upload_dir, Path)
         assert isinstance(settings.prompt_dir, Path)
+
+
+class TestWorkerReliabilitySettings:
+    """Verify worker retry settings defaults."""
+
+    def test_worker_retry_defaults(self):
+        """worker retry settings default to no retries and no backoff."""
+        settings = _make_settings()
+        assert settings.worker_max_retries == 0
+        assert settings.worker_retry_backoff_seconds == 0.0