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/_pcb2_cfgsel.json

@@ -0,0 +1 @@
+{"lines": [["+3V3_HUB", 2, 95.926, 70.25, 96.325, 70.25, 0.24], ["+3V3_HUB", 2, 96.325, 70.25, 96.325, 68.55, 0.24], ["+3V3_HUB", 1, 103.2, 65.2, 104.2, 66.2, 0.2], ["+3V3_HUB", 1, 104.2, 66.2, 106.8, 66.2, 0.2], ["+3V3_HUB", 1, 106.8, 66.2, 106.8, 67.1, 0.2], ["+3V3_HUB", 2, 106.8, 67.1, 106.7328, 67.0499, 0.2]], "vias": [["+3V3_HUB", 103.2, 65.2], ["+3V3_HUB", 106.8, 67.1]]}