Make uxp command work again, actually use deps correctly, remove postinstall hooks

.changeset/README.md

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+# Changesets
+
+Hello and welcome! This folder has been automatically generated by `@changesets/cli`, a build tool that works
+with multi-package repos, or single-package repos to help you version and publish your code. You can
+find the full documentation for it [in our repository](https://github.com/changesets/changesets)
+
+We have a quick list of common questions to get you started engaging with this project in
+[our documentation](https://github.com/changesets/changesets/blob/main/docs/common-questions.md)

.changeset/config.json

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+{
+  "$schema": "https://unpkg.com/@changesets/config@3.1.2/schema.json",
+  "changelog": "@changesets/cli/changelog",
+  "commit": false,
+  "fixed": [],
+  "linked": [],
+  "access": "restricted",
+  "baseBranch": "main",
+  "updateInternalDependencies": "patch",
+  "ignore": []
+}

.cursor/plans/modernize_devtools-cli_1302d87d.plan.md

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+---
+name: Modernize devtools-cli
+overview: Modernize the devtools-cli monorepo by setting up proper pnpm workspaces, adding EditorConfig, upgrading ESLint to v9 flat config, migrating from CommonJS to ESM, and adding exports fields to all packages.
+todos:
+  - id: pnpm-workspace
+    content: Create pnpm-workspace.yaml and update root package.json (remove workspaces field, add packageManager)
+    status: completed
+  - id: editorconfig
+    content: Create .editorconfig with 2-space indentation, LF line endings, UTF-8
+    status: completed
+  - id: eslint-upgrade
+    content: "Upgrade ESLint to v9 flat config: delete .eslintrc, create eslint.config.mjs, update dependencies"
+    status: completed
+  - id: esm-devtools-feature
+    content: Migrate uxp-devtools-feature to ESM (smallest package, good starting point)
+    status: completed
+  - id: esm-devtools-helper
+    content: Migrate uxp-devtools-helper to ESM
+    status: completed
+  - id: esm-devtools-core
+    content: Migrate uxp-devtools-core to ESM (largest package)
+    status: completed
+  - id: esm-devtools-cli
+    content: Migrate uxp-devtools-cli to ESM
+    status: completed
+  - id: esm-inspect-frontend
+    content: Migrate uxp-inspect-frontend to ESM
+    status: cancelled
+  - id: esm-webdriver
+    content: Migrate uxp-webdriver to ESM
+    status: cancelled
+  - id: exports-fields
+    content: Add exports fields to all 6 package.json files
+    status: completed
+  - id: fix-indentation
+    content: Run eslint --fix to apply 2-space indentation across codebase
+    status: completed
+  - id: cleanup-babel
+    content: Remove babel CommonJS transform plugin and unused babel dependencies
+    status: completed
+isProject: false
+---
+
+# Modernize devtools-cli Repository
+
+## Current State
+
+- **Workspace**: pnpm lockfile exists but uses yarn-style `workspaces` field in `package.json`
+- **Module system**: CommonJS (`require()`/`module.exports`)
+- **ESLint**: v6.8.0 with `.eslintrc` JSON format, airbnb-base
+- **EditorConfig**: None
+- **Package exports**: None (only `main` fields)
+- **Indentation**: 4 spaces
+
+## Target State (based on uxp-toolkit-2)
+
+- **Workspace**: pnpm with `pnpm-workspace.yaml`
+- **Module system**: ESM (`import`/`export`)
+- **ESLint**: v9 with flat config (`eslint.config.mjs`)
+- **EditorConfig**: 2-space indentation, LF, UTF-8
+- **Package exports**: Full `exports` field with proper conditions
+
+---
+
+## 1. Setup pnpm Workspaces
+
+**Create** `pnpm-workspace.yaml`:
+
+```yaml
+packages:
+  - packages/*
+```
+
+**Update** [package.json](package.json):
+
+- Remove `workspaces` field
+- Add `"packageManager": "pnpm@10.x.x"` (use latest stable)
+- Update `engines.node` to `>=18.0.0` (required for ESM)
+
+**Cleanup**:
+
+- Delete `packages/uxp-webdriver/yarn.lock` (has its own yarn.lock)
+
+---
+
+## 2. Add EditorConfig
+
+**Create** `.editorconfig`:
+
+```ini
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 2
+```
+
+---
+
+## 3. Update ESLint to v9 Flat Config
+
+**Delete** `.eslintrc`
+
+**Create** `eslint.config.mjs`:
+
+```javascript
+import antfu from '@antfu/eslint-config';
+
+export default antfu({
+  type: 'lib',
+  stylistic: {
+    semi: true,
+    indent: 2,
+  },
+  rules: {
+    'no-console': 'off',
+    'unused-imports/no-unused-vars': [
+      'warn',
+      { varsIgnorePattern: '^_', argsIgnorePattern: '^_' },
+    ],
+  },
+});
+```
+
+**Update root `package.json` devDependencies**:
+
+- Remove: `eslint@^6.8.0`, `eslint-config-airbnb-base`, `eslint-plugin-import`, `eslint-plugin-react`, `babel-eslint`
+- Add: `eslint@^9.x`, `@antfu/eslint-config@^7.x`
+
+**Update lint scripts**:
+
+```json
+"lint": "eslint .",
+"lint:fix": "eslint . --fix"
+```
+
+---
+
+## 4. Migrate to ESM
+
+This is the most significant change. Each package needs:
+
+### 4.1 Package.json Changes (all 6 packages)
+
+Add to each package's `package.json`:
+
+```json
+"type": "module"
+```
+
+### 4.2 Source Code Migration
+
+Convert all files from CommonJS to ESM:
+
+**Before (CommonJS)**:
+
+```javascript
+const fs = require('fs-extra');
+const { someFunction } = require('./utils');
+
+module.exports = { MyClass };
+module.exports = MyClass;
+```
+
+**After (ESM)**:
+
+```javascript
+import fs from 'fs-extra';
+import { someFunction } from './utils.js';
+export { MyClass };
+export default MyClass;
+```
+
+**Key changes needed**:
+
+- All `require()` becomes `import`
+- All `module.exports` becomes `export`
+- Relative imports must include `.js` extension
+- `__dirname` and `__filename` need replacement with `import.meta.url`
+- Dynamic requires become dynamic imports
+
+### 4.3 Dependency Updates
+
+Some dependencies need updates for ESM compatibility:
+
+- `chalk@^3.0.0` -> `chalk@^5.0.0` (v5 is pure ESM)
+- Check other dependencies for ESM compatibility
+
+### 4.4 Shebang Updates
+
+[packages/uxp-devtools-cli/src/uxp.js](packages/uxp-devtools-cli/src/uxp.js) is a CLI entry point with a bin field - ensure it keeps the shebang:
+
+```javascript
+#!/usr/bin/env node
+```
+
+### 4.5 Remove Babel CommonJS Transform
+
+Remove from [babel.config.json](babel.config.json):
+
+```json
+"@babel/plugin-transform-modules-commonjs"
+```
+
+---
+
+## 5. Add Exports Fields
+
+Add `exports` field to each package's `package.json`:
+
+**Pattern** (for packages with single entry point):
+
+```json
+{
+  "exports": {
+    ".": {
+      "import": "./src/index.js"
+    },
+    "./package.json": "./package.json"
+  }
+}
+```
+
+**Packages and their exports**:
+
+| Package              | Main Entry                | Additional Exports |
+| -------------------- | ------------------------- | ------------------ |
+| uxp-devtools-cli     | `./src/uxp.js`            | None (CLI)         |
+| uxp-devtools-core    | `./src/index.js`          | None               |
+| uxp-devtools-feature | `./src/index.js`          | None               |
+| uxp-devtools-helper  | `./src/DevToolsHelper.js` | None               |
+| uxp-inspect-frontend | `./main/index.js`         | None               |
+| uxp-webdriver        | `./uxp_driver_export.js`  | None               |
+
+---
+
+## 6. File Count Estimate
+
+Files requiring ESM conversion (approximate):
+
+- `packages/uxp-devtools-cli/src/` - ~20 files
+- `packages/uxp-devtools-core/src/` - ~40 files
+- `packages/uxp-devtools-feature/src/` - ~2 files
+- `packages/uxp-devtools-helper/src/` - ~5 files
+- `packages/uxp-inspect-frontend/main/` - ~3 files
+- `packages/uxp-webdriver/lib/` - ~25 files
+- Root scripts - ~3 files
+
+**Total: ~100 JS files** need CommonJS -> ESM conversion
+
+---
+
+## Execution Order
+
+1. pnpm workspace setup (low risk, isolated change)
+2. Add .editorconfig (no code changes)
+3. ESLint upgrade (can run in parallel with 4)
+4. ESM migration (biggest task, do package by package)
+5. Add exports fields (after ESM migration)
+6. Fix indentation (run `eslint --fix` after config is updated)