feat(core): 增强 Exchange，实现智能变量替换与类型保持

- 优化 conftest.py 增加异常日志记录和测试报告环境信息
 - 其他优化

core/creator.py

@@ -14,6 +14,8 @@ import logging
 import allure
 from pathlib import Path
 from dataclasses import dataclass
+
+from conftest import execution_context
 from core import settings
 from core.executor import WorkflowExecutor
 from pydantic import ValidationError
@@ -142,7 +144,7 @@ class CaseGenerator:
             method_name = f"test_{index:03d}_{safe_title}"
             print(method_name)
             setattr(target_cls, method_name, dynamic_test_method)
-            print(target_cls.__dict__)
+            # print(target_cls.__dict__)
             logger.debug(f"Successfully registered: {method_name}")
 
     @staticmethod
@@ -150,8 +152,7 @@ class CaseGenerator:
         """封装具体的 pytest 执行节点"""
         case_template = entity.step_data
         context = entity.row_context
-
-        def build_actual_case(instance: TestTemplateBase, api_env):
+        def build_actual_case(instance: TestTemplateBase, execution_context):
             # --- 1. 动态设置 Allure 报告属性 ---
 
             allure.dynamic.epic(case_template.epic or settings.allure_epic)
@@ -161,7 +162,7 @@ class CaseGenerator:
             # 日志记录 (利用 instance 标注来源)
             logger.info(f"[Runner] Class: {instance.__class__.__name__} | Case: {title}")
             try:
-                WorkflowExecutor.perform(case_template, api_env, context=context)
+                WorkflowExecutor.perform(case_template, execution_context, context=context)
 
             except Exception as e:
                 # 可以在这里记录更详细的运行上下文快照
@@ -176,4 +177,4 @@ if __name__ == '__main__':
 
     # print(CaseDataLoader.get_all_cases(TEST_CASE_DIR))
     # --- 引导执行 ---
-    CaseGenerator.build_and_register(TestTemplateBase, settings.TEST_CASE_DIR)
+    CaseGenerator.build_and_register(TestTemplateBase, settings.TEST_CASE_DIR)