feat(sort): add craftable sorting stick

design/user-stories/us-002-craft-sorting-stick.md

@@ -2,7 +2,7 @@
 type: User Story
 title: "US-002: Craft a Sorting Stick"
 description: Let players craft a recognizable utility item that invokes inventory sorting.
-status: in-progress
+status: done
 ---
 
 # US-002: Craft a Sorting Stick
@@ -11,14 +11,14 @@ As a **player**, I want to craft a recognizable Sorting Stick so that I can invo
 
 ## Acceptance criteria
 
-- [ ] The plugin registers a vertical shaped recipe with a Chest or Barrel above Redstone Dust and Redstone Dust above a Stick.
-- [ ] The three ingredients occupy the center column of the 3×3 crafting grid.
-- [ ] Either the Chest or Barrel recipe variant produces one Sorting Stick.
-- [ ] The Sorting Stick has a distinct player-facing name and appearance.
-- [ ] The item is identified using persistent item metadata rather than its display name alone.
-- [ ] Renamed ordinary sticks cannot trigger sorting.
-- [ ] Automated tests cover recipe registration, the exact shape, both storage-block variants, output quantity, and resulting item identity.
-- [ ] The crafting recipe and both accepted variants are documented for players.
+- [x] The plugin registers a vertical shaped recipe with a Chest or Barrel above Redstone Dust and Redstone Dust above a Stick.
+- [x] The three ingredients occupy the center column of the 3×3 crafting grid.
+- [x] Either the Chest or Barrel recipe variant produces one Sorting Stick.
+- [x] The Sorting Stick has a distinct player-facing name and appearance.
+- [x] The item is identified using persistent item metadata rather than its display name alone.
+- [x] Renamed ordinary sticks cannot trigger sorting.
+- [x] Automated tests cover recipe registration, the exact shape, both storage-block variants, output quantity, and resulting item identity.
+- [x] The crafting recipe and both accepted variants are documented for players.
 
 ## Related