fix(test): deps and sideEffects (#401)

<!-- CURSOR_SUMMARY -->
> [!NOTE]
> Sets side-effect flags and cleans up exports/deps.
> 
> - Marks `packages/cli/package.json` with `"sideEffects": false`
> - Removes `buildSingle` from `packages/cli/src/lib.ts` re-exports
> - Moves `picomatch` from `packages/test` dependencies to devDependencies; updates `pnpm-lock.yaml` accordingly
> 
> <sup>Written by [Cursor Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit 3091f7d. This will update automatically on new commits. Configure [here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

Author: Brooooooklyn

packages/cli/package.json

@@ -11,6 +11,7 @@
   "engines": {
     "node": "^20.19.0 || >=22.12.0"
   },
+  "sideEffects": false,
   "scripts": {
     "build": "oxnode -C dev ./build.ts",
     "snap-test": "tool snap-test",

packages/cli/src/lib.ts

@@ -1,2 +1,2 @@
-export { defineConfig, build, buildSingle, globalLogger } from '@voidzero-dev/vite-plus-core/lib';
+export { defineConfig, build, globalLogger } from '@voidzero-dev/vite-plus-core/lib';
 export type * from '@voidzero-dev/vite-plus-core/lib';

packages/test/package.json

@@ -291,7 +291,6 @@
     "@voidzero-dev/vite-plus-core": "workspace:*",
     "es-module-lexer": "^1.7.0",
     "obug": "^2.1.1",
-    "picomatch": "^4.0.3",
     "pixelmatch": "^7.1.0",
     "pngjs": "^7.0.0",
     "sirv": "^3.0.2",
@@ -321,6 +320,7 @@
     "magic-string": "^0.30.21",
     "oxc-parser": "catalog:",
     "pathe": "^2.0.3",
+    "picomatch": "^4.0.3",
     "rolldown": "workspace:*",
     "rolldown-plugin-dts": "catalog:",
     "tinyrainbow": "^3.0.3",