Add remote asset.party location to asset browser, fill it with model query
Add drag data to Package in AssetList: e.g package://matt.box
Add managed handler for Hammer map view drag drop events
ManifestMount from Sandbox.Game -> Sandbox.Engine
Bare bones dragging asset.party models into Hammer
https://files.facepunch.com/matt/1b0611b1/sbox_5qCyTB85LC.mp4