Add strategy pattern architecture for BOM module processing

- Add IModuleProcessor interface defining the processor contract
- Implement cProcessor_AppendOnly strategy for modifying existing BOM rows
- Implement cProcessor_CloneNew strategy for creating new BOM rows
- Add mProcessorFactory module for creating processor instances
- Add mSpecAdditionManager module for coordinating spec addition operations
- Enhance test suite with business logic layer and pipeline integration tests

This implements the Strategy pattern to allow flexible BOM modification behaviors while maintaining clean separation of concerns.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

VBA/ClassModules/IModuleProcessor.cls

@@ -0,0 +1,16 @@
+' ==============================================================================
+' 模块名称: IModuleProcessor
+' 模块类别: 类模块 (用作接口 Interface)
+' 模块职责: 定义统一的业务处理接口，基于UI用户选择的物料名称进行精准处理
+' ==============================================================================
+Option Explicit
+
+' 方法名: ProcessSpec
+'   allBOMs: 包含所有物料信息的集合 (库里的所有数据)
+'   targetItemName: 要被处理的物料的名称字段 (瞄准镜)
+'   paramName: 参数名(如 lcfw)
+'   newValue: 新规格代码(如 M19)
+'   engine: 条件注入引擎实例
+Public Sub ProcessSpec(ByRef allBOMs As Collection, ByVal targetItemName As String, ByVal paramName As String, ByVal newValue As String, ByRef engine As cConditionEngine)
+    ' 接口中不写任何实现代码
+End Sub