- Refactor _handle_rotate_schematic_component to use raw sexp throughout
and write the schematic once instead of three times
- Hoist sexpdata and WireManager imports to module scope; drop the
unnecessary underscore aliases in move/rotate handlers
- Move WireManager._SUB_UNIT_RE to the top of the class body
- Promote the per-call Symbol("symbol")/Symbol("unit") allocations in
_parse_lib_pins / _collect_pin_positions to module-level _SYM_*
constants
- Document the assumption behind _SUB_UNIT_RE's greedy match
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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