OneBot: Leantime 改造版源码（BOM/Univer 表格/AI 接管/品牌替换等）

app/Core/WorkStructure/Models/StructureMapping.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Leantime\Core\WorkStructure\Models;
+
+/**
+ * StructureMapping model — defines cross-structure element mappings
+ * (e.g., Logic Model "output" → Project "milestone").
+ */
+class StructureMapping
+{
+    public ?int $id = null;
+
+    public int $sourceStructureId = 0;
+
+    public int $sourceElementId = 0;
+
+    public int $targetStructureId = 0;
+
+    public int $targetElementId = 0;
+
+    public string $mappingType = 'generates';
+
+    public ?string $meta = null;
+}