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/_opt_virt.json

@@ -0,0 +1 @@
+{"INA_ALERT": {"drop": [["U4", "15"]], "add": [[65.75, 30.6, 2]]}, "EFUSE_PG": {"drop": [["U4", "16"], ["R15", "1"], ["U2", "2"]], "add": [[48.0, 26.5, 1], [66.6, 41.0, 1]]}, "EFUSE_FLT": {"drop": [["U4", "13"], ["R13", "2"]], "add": [[68.0, 40.9, 1]]}, "SDA": {"drop": [["U4", "23"], ["R40", "1"], ["J1", "launch"]], "add": [[69.3, 30.55, 1]]}, "SCL": {"drop": [["U4", "22"], ["R41", "1"], ["J1", "launch"]], "add": [[67.95, 30.5, 1]]}}