chore(playground): drop @playground/ prefix on package names

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: branchseer

playground/README.md

@@ -7,8 +7,8 @@ A workspace for manually testing `cargo run --bin vt run ...`.
 ```
 playground/
 ├── packages/
-│   ├── app/       → depends on @playground/lib
-│   ├── lib/       → depends on @playground/utils
+│   ├── app/       → depends on lib
+│   ├── lib/       → depends on utils
 │   └── utils/     → no dependencies
 └── vite-task.json → workspace-level task config
 ```

playground/packages/app/package.json

@@ -1,13 +1,13 @@
 {
-  "name": "@playground/app",
+  "name": "app",
   "version": "0.0.0",
   "private": true,
   "type": "module",
   "scripts": {
     "dev": "node dev.mjs"
   },
   "dependencies": {
-    "@playground/lib": "workspace:*",
+    "lib": "workspace:*",
     "vite": "catalog:"
   }
 }

playground/packages/app/src/index.ts

@@ -1,9 +1,5 @@
-import { sum } from '@playground/lib';
+import { sum } from 'lib';
 
-// Vite's `define` plugin substitutes `process.env.NODE_ENV` at build time, so
-// only the branch matching the current NODE_ENV survives dead-code elimination.
-// After `vt run --cache build`, inspect `dist/assets/index-<hash>.js` to see
-// which literal (`PROD build` or `DEV build`) made it into the bundle.
 if (process.env.NODE_ENV === 'production') {
   console.log('PROD build:', sum(1, 2, 3));
 } else {

playground/packages/lib/package.json

@@ -1,12 +1,12 @@
 {
-  "name": "@playground/lib",
+  "name": "lib",
   "version": "0.0.0",
   "private": true,
   "main": "./src/index.ts",
   "scripts": {
     "dev": "node dev.mjs"
   },
   "dependencies": {
-    "@playground/utils": "workspace:*"
+    "utils": "workspace:*"
   }
 }

playground/packages/lib/src/index.ts

@@ -1,4 +1,4 @@
-import { add } from '@playground/utils';
+import { add } from 'utils';
 
 export function sum(...nums: number[]): number {
   return nums.reduce((acc, n) => add(acc, n), 0);

playground/packages/utils/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "@playground/utils",
+  "name": "utils",
   "version": "0.0.0",
   "private": true,
   "main": "./src/index.ts"