[faceofcat]

Summary

• The market window uses the vanilla frame, shows how many of each input you are carrying, and scrolls long trade lists inside the dialog.
• Buying updates those counts, and experience from the purchase appears on you.
• The barrel has a villager face on each side and an emerald lid. Planks or an emerald block unlock the crafting recipe in the book.

Test plan

• On NeoForge 26.3, pick up planks and confirm the Villager Market recipe appears and crafts: eight planks around an emerald block.
• Open a market with more offers than fit. The scrollbar stays inside the window. Drag it, and use the mouse wheel.
• Select an offer. The input slots show carried counts and cannot be clicked. Buy once and those counts drop.
• Experience from the purchase appears on the player.
• The 26.3 compile no longer warns about makeMockServerPlayerInLevel.