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/r2/_legs_spec2.json

@@ -0,0 +1 @@
+{"base": "_blade_routes.o7v0.json", "out": "_blade_routes.legs%d.json", "variants": [[["INT#", [29, 11.75, 1], [60.9, 31.986, 1]], ["BUCK_PG", [29.299, 17.948, 2], [69.75, 38.79, 1]]], [["BUCK_PG", [29.299, 17.948, 2], [69.75, 38.79, 1]], ["INT#", [29, 11.75, 1], [60.9, 31.986, 1]]], [["INT#", [29, 11.75, 1], [60.9, 31.986, 2]], ["BUCK_PG", [29.299, 17.948, 2], [69.75, 38.79, 2]]], [["BUCK_PG", [29.299, 17.948, 2], [69.75, 38.79, 2]], ["INT#", [29, 11.75, 1], [60.9, 31.986, 2]]]]}