feat: drag ghosts and snapping
Reapply "Reapply "fix: anchors"" This reverts commit 272e43c86343060d5f45c29f6720efe3c4925524.
Revert "Reapply "fix: anchors"" This reverts commit dcb113407bef73edd90c6826aff7a90161f674a8.
Reapply "fix: anchors" This reverts commit e10f9c6272c3a1abdf197eb056cbc79a9c3109ca.
Revert "fix: anchors" This reverts commit 04beb9f36db6a39a3be1263a79cdf80af900dbe0.
fix: anchors
chore: code cleanup
chore(part): part fix #1
chore: fix warnings
fix: parts
feat: part & attachment beginnings