feat: add tool-call fallback and resilient batch exports

tests/unit/mcp/test_automation_tools.py

@@ -32,6 +32,14 @@ async def test_config_requires_explicit_persistence_and_excludes_secrets(monkeyp
         "reasoning_effort": "high",
     }
 
+    await tools.mobile_config(
+        changes={"rate_limit_retry_seconds": 90, "tool_fallback_model": "gpt-6-luna"},
+        persist_defaults=True,
+    )
+    payload = request.call_args.kwargs["json"]
+    assert payload["rate_limit_retry_seconds"] == 90
+    assert payload["tool_fallback_model"] == "gpt-6-luna"
+
 
 @pytest.mark.asyncio
 async def test_preview_is_read_only_and_create_is_draft(monkeypatch, tmp_path):