Adjust import root and offset slot Y positions

Author: blhsrwznrghfzpr

src/config/MappingConfig.ts

@@ -18,9 +18,9 @@ export const IMPORT_GROUP_SCALE = 1;
 
 /**
  * Default Y-axis offset for the import root group slot.
- * Keeps imported content slightly above origin for visibility.
+ * The import root itself stays on origin; top-level content offset is handled by child slots.
  */
-export const IMPORT_GROUP_Y_OFFSET = 0.001;
+export const IMPORT_GROUP_Y_OFFSET = 0;
 
 /**
  * Tag applied to import root container slots.

src/resonite/SlotBuilder.test.ts

@@ -439,6 +439,7 @@ describe('SlotBuilder', () => {
         expect.objectContaining({
           parentId: 'Root',
           name: 'Offset',
+          position: { x: 0, y: 0.001, z: 0 },
         })
       );
       const offsetCallArgs = mockClient.addSlot.mock.calls[0][0] as { id: string };
@@ -547,6 +548,7 @@ describe('SlotBuilder', () => {
       expect(offsetCall?.name).toBe('Offset');
       expect(offsetCall?.parentId).toBe('Root');
       expect(offsetCall?.position?.x).toBe(-30);
+      expect(offsetCall?.position?.y).toBe(0.001);
       expect(offsetCall?.position?.z).toBe(15);
     });
 

src/resonite/SlotBuilder.ts

@@ -52,6 +52,8 @@ function isCharacterObject(obj: ResoniteObject): obj is CharacterResoniteObject
   return obj.sourceType === 'character';
 }
 
+const OFFSET_SLOT_Y_POSITION = 0.001;
+
 const UDONARIUM_OBJECT_TYPES = new Set<ObjectType>([
   'character',
   'dice-symbol',
@@ -498,12 +500,13 @@ export class SlotBuilder {
   private computeOffsetPositionFromLargestTableCenter(objects: ResoniteObject[]): Vector3 {
     const largestTableCenter = this.findLargestTableCenter(objects);
     if (!largestTableCenter) {
-      return { x: 0, y: 0, z: 0 };
+      return { x: 0, y: OFFSET_SLOT_Y_POSITION, z: 0 };
     }
-    // Move all content so the largest table center becomes the local origin.
+    // Move all content so the largest table center becomes the local origin on X/Z.
+    // Keep a small positive Y offset to avoid coplanar overlap with origin-aligned content.
     return {
       x: -largestTableCenter.x,
-      y: -largestTableCenter.y,
+      y: OFFSET_SLOT_Y_POSITION,
       z: -largestTableCenter.z,
     };
   }

src/version.ts

@@ -2,4 +2,4 @@
  * Auto-generated by scripts/sync-version.cjs.
  * Do not edit manually.
  */
-export const APP_VERSION = '1.0.0-beta.4';
+export const APP_VERSION = '1.0.0';