Pins 1/2 and 3/4 were each defined at the exact same coordinates, so the schematic showed a single stub per side instead of 4 distinct pins. Spread them onto vertical buses per node (1-2 common, 3-4 common) while keeping the switch contact graphics unchanged. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TnzoFuRZAhRGeHAdz8UzR2