Set up shared Prettier config from @upfluence/w-conf

[Copilot]

What does this PR do?

Migrates from a standalone .prettierrc.js to the shared @upfluence/w-conf Prettier configuration, following the same pattern already used in upfluence/hyperstream.

• Removed .prettierrc.js (CJS config)
• Added prettier.config.mjs (ESM, uses buildConfiguration from @upfluence/w-conf/prettier with import sorting scoped to @upfluence/ember-brand-manager)
• Updated package.json devDependencies: added @upfluence/w-conf ^0.2.0, @trivago/prettier-plugin-sort-imports ^4.3.0, bumped prettier to ^3.0.0
• Reformatted all affected source files via prettier --write . — primarily import ordering and trailing comma removal

// prettier.config.mjs
import { buildConfiguration } from '@upfluence/w-conf/prettier';

export default buildConfiguration({
  sortImport: {
    packages: ['@upfluence/ember-brand-manager']
  }
});

What are the observable changes?

Imports in JS/TS files are now sorted (@ember/*, @glimmer/* → third-party → @upfluence/ember-brand-manager/* → relative). Trailing commas removed from multi-line expressions. .hbs files use double quotes.

Good PR checklist

• Title makes sense
• Is against the correct branch
• Only addresses one issue
• Properly assigned
• Added/updated tests
• Added/updated documentation
• Properly labeled

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Original prompt

Summary

Set up the shared Prettier configuration from @upfluence/w-conf for this repository, following the same pattern as done in upfluence/identity-web#787 and already present in upfluence/hyperstream.

Changes required

1. Remove .prettierrc.js

Delete the existing .prettierrc.js file at the root of the repository.

2. Add prettier.config.mjs

Create a new file prettier.config.mjs at the root of the repository with the following content:

import { buildConfiguration } from '@upfluence/w-conf/prettier';

export default buildConfiguration({
  sortImport: {
    packages: ['@upfluence/ember-brand-manager']
  }
});

The package name @upfluence/ember-brand-manager comes from the "name" field in package.json.

3. Update package.json devDependencies

Add the following packages to devDependencies in package.json (they are not currently present):

• "@upfluence/w-conf": "^0.2.0"
• "@trivago/prettier-plugin-sort-imports": "^4.3.0"
• "prettier": "^3.0.0"

4. Run pnpm prettier --write

After adding the config file and installing dependencies, run:

pnpm prettier --write .

Commit all files reformatted by Prettier as part of this PR.

Notes

• The config file must use ESM syntax (import/export default) — do NOT use require/module.exports
• The file must be named prettier.config.mjs (not .prettierrc.js or prettier.config.js)
• The old .prettierrc.js must be deleted

This pull request was created from Copilot chat.

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