Build fails with tsconfig path alias (@/*)

[paul90317]

Description:
Using TypeScript path aliases like @/enum/tags works in VSCode, but sand build fails:

Error: Cannot find module '@/enum/tags'

Steps to Reproduce:

1. tsconfig.json:

{
  "compilerOptions": {
    "baseUrl": ".",
    "paths": {
      "@/*": ["src/*"]
    }
  }
}

2. Code using the alias:

// src/enum/tags.ts
import { Tag } from 'sandstone';

export const ENIMY = Tag('entity_types', 'enimy', [
    "#skeletons",
    "minecraft:zombie",
    "minecraft:piglin",
    "spider",
    "enderman",
    "shulker",
    "drowned",
    "husk",
    "stray",
]);

// some other file
import { ENIMY } from '@/enum/tags';

3. Run build:

pnpm build

Expected:
Sandstone should resolve the alias like TypeScript does.

Environment:

• Sandstone CLI: 0.5.4
• OS: Windows