diff --git a/packages/stage-ui/src/stores/character/orchestrator/index.test.ts b/packages/stage-ui/src/stores/character/orchestrator/index.test.ts
index cbd68064f..fb3fe16d4 100644
--- a/packages/stage-ui/src/stores/character/orchestrator/index.test.ts
+++ b/packages/stage-ui/src/stores/character/orchestrator/index.test.ts
@@ -190,15 +190,15 @@ describe('store character-orchestrator', () => {
     expect(result?.commands?.[0].intent).toBe('action')
     expect(result?.commands?.[0].priority).toBe('critical')
 
-    expect(mockStream).toBeCalledTimes(1)
+    expect(mockStream).toHaveBeenCalledTimes(1)
     expect(mockStream.mock.calls).toHaveLength(1)
     expect(mockStream.mock.calls[0][0]).toEqual('mock-model')
     expect(mockStream.mock.calls[0][1]).not.toBeNull()
     expect(mockStream.mock.calls[0][2]).toHaveLength(2)
     expect(mockStream.mock.calls[0][3]).toHaveProperty('tools')
 
-    expect(mockOnSparkNotifyReactionStreamEvent).toBeCalledWith(event.data.id, 'Ahhh, got hit by zombie!')
-    expect(mockOnSparkNotifyReactionStreamEnd).toBeCalledTimes(1)
+    expect(mockOnSparkNotifyReactionStreamEvent).toHaveBeenCalledWith(event.data.id, 'Ahhh, got hit by zombie!')
+    expect(mockOnSparkNotifyReactionStreamEnd).toHaveBeenCalledTimes(1)
   })
 
   it('supports forcing text-only spark:notify responses', async () => {
@@ -237,8 +237,8 @@ describe('store character-orchestrator', () => {
     expect(streamOptions.waitForTools).toBe(false)
     expect(streamOptions.tools).toEqual([])
     expect(streamOptions.toolChoice).toBeUndefined()
-    expect(onDelta).toBeCalled()
-    expect(onEnd).toBeCalled()
+    expect(onDelta).toHaveBeenCalled()
+    expect(onEnd).toHaveBeenCalled()
   })
 
   it('supports forcing spark-command responses', async () => {
@@ -291,8 +291,8 @@ describe('store character-orchestrator', () => {
       function: { name: 'builtIn_sparkCommand' },
     })
     expect(result?.commands?.length).toBe(1)
-    expect(onDelta).not.toBeCalled()
-    expect(onEnd).toBeCalledWith(event.data.id, '')
+    expect(onDelta).not.toHaveBeenCalled()
+    expect(onEnd).toHaveBeenCalledWith(event.data.id, '')
   })
 
   it('forwards runtime-only message overrides into the rendered spark prompt', async () => {
diff --git a/packages/stage-ui/vitest.config.ts b/packages/stage-ui/vitest.config.ts
index 634b63cd4..6c70ec304 100644
--- a/packages/stage-ui/vitest.config.ts
+++ b/packages/stage-ui/vitest.config.ts
@@ -2,38 +2,17 @@ import { join } from 'node:path'
 import { cwd } from 'node:process'
 
 import Vue from '@vitejs/plugin-vue'
+import Info from 'unplugin-info/vite'
 
 import { playwright } from '@vitest/browser-playwright'
 import { loadEnv } from 'vite'
 import { defineConfig } from 'vitest/config'
 
-function BuildInfoTestPlugin() {
-  return {
-    name: 'stage-ui-test-build-info',
-    resolveId(id: string) {
-      if (id === '~build/git' || id === '~build/time')
-        return `\0${id}`
-    },
-    load(id: string) {
-      if (id === '\0~build/git') {
-        return [
-          'export const abbreviatedSha = "test-sha"',
-          'export const branch = "test-branch"',
-        ].join('\n')
-      }
-
-      if (id === '\0~build/time') {
-        return 'export default "2026-05-07T00:00:00.000Z"'
-      }
-    },
-  }
-}
-
 export default defineConfig(({ mode }) => {
   return {
     root: import.meta.dirname,
     plugins: [
-      BuildInfoTestPlugin(),
+      Info(),
     ],
     test: {
       projects: [