refactor(tooling): [MOD-PLUGIN-01] generate typed plugins with safe output handling

scripts/plugin/template/test/plugin.test.mjs.tpl

@@ -0,0 +1,16 @@
+import assert from 'node:assert/strict'
+import { createRequire } from 'node:module'
+// eslint-disable-next-line test/no-import-node-test -- Verify the generated distribution contracts.
+import test from 'node:test'
+import plugin from 'artplayer-plugin-{{name}}'
+import legacy from 'artplayer-plugin-{{name}}/legacy'
+
+test('classic factory and historical default alias return the synchronous plugin result', () => {
+  const require = createRequire(import.meta.url)
+  for (const factory of [plugin, legacy, require('artplayer-plugin-{{name}}'), require('artplayer-plugin-{{name}}/legacy')]) {
+    assert.equal(factory.default, factory)
+    const result = factory({})({})
+    assert.deepEqual(result, { name: '{{export}}' })
+    assert.equal(result instanceof Promise, false)
+  }
+})