Introduce `<panel />` and Panel.ts (#1541)

* fix: enforce panel board ownership

* fix: allow root board lookup to be optional

* fix: remove panel primary board fallback

Add support for rotated_rect shape (#1539)

* Add support for rotated_rect shape

* up

Pass model_step_url when we use stepUrl in the cadmodel (#1538)

* Pass model_step_url when we use stepUrl

* update snapshot

* update

add support corner-radius for rect smtpad (#1535)

use the group outline for the bounds calculation (#1536)

* use the group outline for the bounds calculation

* fix test

* test

* format the distance

 Fix bottom layer SMT pad rotation (#1529)

* Fix bottom layer SMT pad rotation

* upda

* ip

* up

* f

* f

* f

* f

feat(switch): Implement simulation properties and tests (#1533)

* feat(switch): Implement simulation properties and tests

* fixed type errors

fix: maintain accurate CAD rotation alignment with PCB components dur…

…ing packing and layer flips (#1528)

* fix: maintain accurate CAD rotation alignment with PCB components during packing and layer flips

* patch

* patch

* patch

* patch

Support anchor_position and anchor_alignment for pcb_group (#1513)

* Support anchor_position and anchor_alignment for pcb_group

* add markers

* update

* use showPcbGroups

* update snapshot

* update

* format fix

* f

feat: support packing of group within the bounds (#1530)

* feat: support packing of group within the bounds

* fix tests

* remove full snapshot check