AWS CodeArtifact `npm publish` Fails with E400 Due to Max String Length – Known Limitation?

We are using AWS CodeArtifact as the artifact repository for our JavaScript frontend libraries. During a recent CI/CD pipeline run, the npm publish step failed with the following error:

npm ERR! code E400
npm ERR! 400 Bad Request - PUT https://<domain>.d.codeartifact.<region>.amazonaws.com/npm/<repo-name>/@<scope>%2f<package> - Bad request. Error parsing input. String value length (20054016) exceeds the maximum allowed (20000000, from `StreamReadConstraints.getMaxStringLength()`)

The error occurred while attempting to publish a scoped package approximately 23.9 MB in tarball size and over 100 MB when unpacked. The largest individual files were sourcemaps (*.js.map) exceeding 33 MB each.

This same package was published successfully to a Nexus repository without any errors or additional configuration.

Questions:

1. Is this 20MB per-string limit (StreamReadConstraints.getMaxStringLength()) a documented or known limitation in AWS CodeArtifact?
2. Is there any recommended workaround or setting in CodeArtifact to support large packages, especially those with heavy sourcemaps?
3. Would excluding .map files or splitting the package be the only workaround, or is there an AWS-supported method to accommodate these files?

Tarball Summary from npm publish Output

Package: @<scope>/library-name
Version: 1.0.8
Tarball size: 23.9 MB
Unpacked size: 102.0 MB
Largest files:
- dist/index.cjs.js.map     ~33.0 MB
- dist/index.es.js.map      ~33.1 MB
- dist/index.umd.js.map     ~33.0 MB

package.json Structure

{
  "name": "@<scope>/library-name",
  "version": "1.0.8",
  "main": "./dist/index.cjs.js",
  "module": "./dist/index.es.js",
  "types": "./dist/index.d.ts",
  "files": ["dist"],
  "scripts": {
    "build": "tsc && vite build",
    "prepublishOnly": "npm run build",
    "publish:codeartifact": "npm publish --access=restricted"
  },
  "dependencies": {
    "@radix-ui/react-*": "...",
    "react": "^19.0.0",
    "vite": "^6.2.0"
  },
  "devDependencies": {
    "rollup": "...",
    "typescript": "~5.7.2",
    "vite-plugin-dts": "^4.5.3"
  }
}

Please advise if this limit is adjustable or if a different package handling approach is recommended.