feat: Enhance BOM and UI components with improved label handling and data mapping

- Updated the BOM service to include additional fields in the BOM header retrieval, enhancing data richness.
- Enhanced the EditModal to automatically map foreign key fields to dot notation, improving data handling and user experience.
- Improved the rendering of labels in various components, allowing for customizable label positions and styles, enhancing UI flexibility.
- Added new properties for label positioning and spacing in the V2 component styles, allowing for better layout control.
- Enhanced the BomTreeComponent to support additional data mapping for entity joins, improving data accessibility and management.

frontend/lib/registry/components/v2-bom-tree/BomDetailEditModal.tsx

@@ -68,9 +68,7 @@ export function BomDetailEditModal({
       } else {
         setFormData({
           quantity: node.quantity || "",
-          unit: node.unit || node.detail_unit || "",
           process_type: node.process_type || "",
-          base_qty: node.base_qty || "",
           loss_rate: node.loss_rate || "",
           remark: node.remark || "",
         });
@@ -151,11 +149,19 @@ export function BomDetailEditModal({
             </div>
             <div>
               <Label className="text-xs sm:text-sm">단위</Label>
-              <Input
-                value={formData.unit}
-                onChange={(e) => handleChange("unit", e.target.value)}
-                className="mt-1 h-8 text-xs sm:h-10 sm:text-sm"
-              />
+              {isRootNode ? (
+                <Input
+                  value={formData.unit}
+                  onChange={(e) => handleChange("unit", e.target.value)}
+                  className="mt-1 h-8 text-xs sm:h-10 sm:text-sm"
+                />
+              ) : (
+                <Input
+                  value={node?.child_unit || node?.unit || "-"}
+                  disabled
+                  className="mt-1 h-8 text-xs sm:h-10 sm:text-sm"
+                />
+              )}
             </div>
           </div>