fix: correct relative source path resolution (#52)

Author: chenjiahan

package.json

@@ -43,7 +43,7 @@
   },
   "devDependencies": {
     "@biomejs/biome": "^1.9.4",
-    "@rsbuild/core": "^1.5.13",
+    "@rsbuild/core": "1.6.0",
     "@rslib/core": "^0.15.0",
     "@rspack/cli": "^1.5.8",
     "@rspack/core": "^1.5.8",