PCB Cam-vs-CAD Independent Netlist Verifier (Gerber/ODB++ Copper Flood vs IPC-D-356A Short/Open X-Ray)

Deterministic Multi-layer Gerber RS-274X / ODB++ polygon union & plated-drill Z-via connectivity graph extractor + IPC-D-356A bare-board test netlist set-isomorphism comparator (short/open/floating-island pinpointer) engine (.zip, .tgz, .ipc, .gbr) built for Altium Designer, KiCad, Cadence Allegro, JLCPCB / Eurocircuits — zero-upload ephemeral Wasm RAM execution.