fix: emit DeepSeek Harness bundle manifest

tests/electron-vite-config.test.ts

@@ -0,0 +1,18 @@
+// @vitest-environment node
+
+import { describe, expect, it } from 'vitest'
+import { serializeDeepSeekHarnessBundleManifest } from '../electron.vite.config'
+
+describe('Electron Vite configuration', () => {
+  it('serializes the DeepSeek Harness bundle manifest', () => {
+    const source = serializeDeepSeekHarnessBundleManifest('1.2.3')
+
+    expect(JSON.parse(source)).toEqual({
+      name: '@deepseek-ai/dsh-llm',
+      version: '1.2.3',
+      private: true,
+      type: 'module'
+    })
+    expect(source.endsWith('\n')).toBe(true)
+  })
+})