feat: add material status validation tool

Add MaterialStatusValidator tool to check material status and match materials to be deleted:
- Add get_all_materials_to_delete() function to fetch all materials from database
- Add utils/material_status_validator.py with MaterialStatusValidator class
- Add validate_material_status.py script to run the validation
- Delete obsolete materialDelete.py file

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

db/materials_to_delete.py

@@ -2,6 +2,7 @@
 待删除物料查询组件
 从数据库查询指定负责人需要删除的物料名称
 """
+from typing import List, Dict, Any
 from db.connection import get_connection
 
 
@@ -26,3 +27,22 @@ def get_materials_to_delete(manager_name):
         # 提取物料名称并去除空值
         material_names = [row['MaterialName'] for row in results if row['MaterialName']]
         return material_names
+
+
+def get_all_materials_to_delete() -> List[Dict[str, Any]]:
+    """
+    获取所有待删除物料记录
+
+    Returns:
+        List[Dict[str, Any]]: 包含MaterialName和ManagerName的记录列表
+    """
+    query = """
+        SELECT [MaterialName], [ManagerName]
+        FROM [dbo].[MaterialsToBeDeleted]
+        WHERE [MaterialName] IS NOT NULL
+        ORDER BY [ManagerName], [MaterialName]
+    """
+
+    with get_connection() as conn:
+        results = conn.execute_query(query)
+        return results