Three bugs fixed in the schematic component and pin locator pipeline:
1. component_schematic: remove redundant symbol.append() after clone()
kicad-skip's clone() already inserts the raw element into the schematic
tree. The subsequent NamedCollection.append() detects the reference as
already registered (from the elementRename triggered by setting
property.Reference.value) and renames it "R1_" with a trailing
underscore, causing all subsequent pin lookups to fail.
2. pin_locator: negate lib y coordinate before rotation
lib_symbols in .kicad_sch use library y-up convention; schematic
coordinates use y-down. get_pin_location now negates pin_rel_y before
applying rotation, matching KiCad's own transform order (same approach
as _transform_local_point in schematic_analysis.py).
3. pin_locator: add .rstrip("_") guard in all symbol reference lookups
Defensive guard against any residual cases where kicad-skip writes a
trailing underscore to the Reference property value.
Also fixes the self-test script to use template_with_symbols.kicad_sch
(which contains placed _TEMPLATE_* symbols) rather than the expanded
template (which only contains lib_symbols definitions and has no cloneable
instances).
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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