feat: add pcb_placement_hint element and extend pcb_placement_error#526

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raykholo wants to merge 3 commits intotscircuit:mainfrom

raykholo:feat/pcb-placement-hint

Commits on Mar 31, 2026

feat: add pcb_placement_hint element and extend pcb_placement_error

raykholo
and
claude
committed
fix: split test files (one test per file) and fix distance assertions

raykholo
and
claude
committed
fix: use descriptive test file names instead of bare numbers

raykholo
and
claude
committed