* Add mechanism events when added/removed to/from body/parts
* Change old usages
* Add TODO
* Remove BodyExtensions and IHasBody
* Remove unnecessary extensions and fix wrong event call in mechanism behavior component
* Complete test and fix event calls
* Early commit
* Early commit 2
* merging master broke my git
* does anyone even read these
* life is fleeting
* it just works
* this time passing integration tests
* Remove hashset yaml serialization for now
* You got a license for those nullables?
* No examine, no context menu, part and mechanism parenting and visibility
* Fix wrong brain sprite state
* Removing layers was a mistake
* just tear body system a new one and see if it still breathes
* Remove redundant code
* Add that comment back
* Separate damage and body, component states, stomach rework
* Add containers for body parts
* Bring layers back pls
* Fix parts magically changing color
* Reimplement sprite layer visibility
* Fix tests
* Add leg test
* Active legs is gone
Crab rave
* Merge fixes, rename DamageState to CurrentState
* Remove IShowContextMenu and ICanExamine
