Migrate to Vite+ (vite-plus) unified toolchain

Replace Vite/Vitest with vite-plus, update WASM loading to native Vite 8
?init pattern, switch React compiler to @rolldown/plugin-babel, and
migrate git hooks from husky to vite-hooks.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

plugins/importer-postman/package.json

@@ -8,6 +8,6 @@
   "scripts": {
     "build": "yaakcli build",
     "dev": "yaakcli dev",
-    "test": "vitest --run tests"
+    "test": "vp test --run tests"
   }
 }

plugins/importer-postman/tests/index.test.ts

@@ -1,6 +1,6 @@
 import * as fs from 'node:fs';
 import * as path from 'node:path';
-import { describe, expect, test } from 'vitest';
+import { describe, expect, test } from 'vite-plus/test';
 import { convertPostman } from '../src';
 
 describe('importer-postman', () => {