kit: Fixed the condition for cleaning up the dist directory on build.

Author: kkomelin

packages/kit/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@suiware/kit",
-  "version": "0.8.0",
+  "version": "0.8.1",
   "sideEffects": false,
   "license": "MIT",
   "type": "commonjs",

packages/kit/tsup.config.ts

@@ -16,7 +16,7 @@ export default defineConfig((options) => ({
   ],
   format: ['cjs', 'esm'],
   dts: true,
-  clean: options.env?.NODE_ENV === 'prod',
+  clean: !options.watch,
   sourcemap: true,
   treeshake: true,
   external: ['react'],