R2：底板 / 刀片布局布线脚本、快照、截图与规划文档更新（含外壳、打印件、布线归档）

Co-Authored-By: Claude Opus 5.5 <[email protected]>

.claude/c6-nets-nc.json

@@ -0,0 +1,12 @@
+{
+ "U21": [
+  "4"
+ ],
+ "U22": [
+  "4",
+  "15"
+ ],
+ "U33": [
+  "9"
+ ]
+}