config: [run] verify_clean 可配置无违规两票复核开关

- config.ini [run] verify_clean = yes/no（默认 yes），GUI/CLI 均跟随
- CLI --no-verify 仍可强制关闭；非法值回落默认开启
- 模板/示例/README 同步，新增配置测试（共 36 个全部通过）

tests/test_config.py

@@ -63,6 +63,20 @@ def test_mode_from_ini(tmp_path):
     assert load_config(str(ini)).mode == "cascade"
 
 
+def test_verify_clean_from_ini(tmp_path):
+    ini = tmp_path / "config.ini"
+    ini.write_text("[run]\nverify_clean = no\n", encoding="utf-8")
+    assert load_config(str(ini)).verify_clean is False
+    ini.write_text("[run]\nverify_clean = yes\n", encoding="utf-8")
+    assert load_config(str(ini)).verify_clean is True
+    # 非法值保持默认开启
+    ini.write_text("[run]\nverify_clean = 也许\n", encoding="utf-8")
+    assert load_config(str(ini)).verify_clean is True
+    # 未配置保持默认开启
+    ini.write_text("[ark]\n", encoding="utf-8")
+    assert load_config(str(ini)).verify_clean is True
+
+
 def test_save_and_load_roundtrip(tmp_path):
     ini = tmp_path / "config.ini"
     cfg = AppConfig(ark_api_key="ark-key", ark_model="ep-xyz",