增加了一个测试工具用于初始化测试环境

tests/README.md

@@ -11,6 +11,7 @@
 - 集成：`pytest tests/integration -q`
 - 工具链专项：`pytest tests/integration/test_toolchain_config_and_graph.py -q`
 - UI 专项：`pytest tests/integration/test_ui_api_smoke.py -q`
+- 测试总览与远程环境工具：`docs/testing_guide.md`
 
 ## 设计原则
 - 不绕过 schema/状态机校验；配置错误必须显式失败。

tests/unit/test_supplier_sync_strategy.py

@@ -0,0 +1,6 @@
+from sync_state_machine.domain.supplier.sync_strategy import SupplierSyncStrategy
+
+
+def test_supplier_sync_strategy_defaults_to_credit_code_auto_bind():
+    assert SupplierSyncStrategy.default_config.auto_bind is True
+    assert SupplierSyncStrategy.default_config.auto_bind_fields == ["credit_code"]