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/_route_nets.C1.json

@@ -0,0 +1 @@
+{"nets": {"+5V": {"segs": [], "vias": [], "before": 2, "after": 2, "logs": ["+5V: J37.19 没布通"]}, "CFGSEL0": {"segs": [], "vias": [], "before": 2, "after": 2, "logs": ["CFGSEL0: U32.41 没布通"]}, "+3V3_HUB": {"segs": [], "vias": [], "before": 2, "after": 2, "logs": ["+3V3_HUB: C744.1 出不来"]}}, "logs": ["+5V: J37.19 没布通", "CFGSEL0: U32.41 没布通", "+3V3_HUB: C744.1 出不来"], "grid": 0.125}