diff --git a/core/http/react-ui/e2e/agents-tasks-admin-real.spec.js b/core/http/react-ui/e2e/agents-tasks-admin-real.spec.js
index 1279823245..d5d8b9616e 100644
--- a/core/http/react-ui/e2e/agents-tasks-admin-real.spec.js
+++ b/core/http/react-ui/e2e/agents-tasks-admin-real.spec.js
@@ -57,7 +57,8 @@ test('an agent task is created, run with a parameter, and its job is listed with
   await page.getByRole('button', { name: 'New task' }).click()
   const form = page.getByTestId('agent-task-form')
   await form.getByLabel('Name').fill(name)
-  await form.getByLabel('Model').selectOption('mock-model')
+  await form.getByRole('button', { name: 'Model' }).click()
+  await page.getByRole('option', { name: /^mock-model/ }).click()
   await form.getByLabel('Prompt').fill('Say hello to {{.who}}')
   await page.getByRole('button', { name: 'Save task' }).click()
   await expect(form).toHaveCount(0)
diff --git a/core/http/react-ui/e2e/diarization-profiles.spec.js b/core/http/react-ui/e2e/diarization-profiles.spec.js
index 71724bc314..c9623d49c7 100644
--- a/core/http/react-ui/e2e/diarization-profiles.spec.js
+++ b/core/http/react-ui/e2e/diarization-profiles.spec.js
@@ -128,7 +128,7 @@ for (const change of ['recording', 'model']) test(`late inference and save canno
   await page.getByRole('button', { name: 'Diarize', exact: true }).click(); await req
   const replace = async () => {
     if (change === 'recording') await page.getByLabel('Recording', { exact: true }).setInputFiles({ ...file, name: 'new.wav' })
-    else { await page.getByRole('button', { name: 'diarizer', exact: true }).click(); await page.getByRole('option', { name: 'other', exact: true }).click() }
+    else { await page.getByRole('button', { name: 'diarizer', exact: true }).click(); await page.getByRole('option', { name: /^other/ }).click() }
   }
   const inferenceResponse = page.waitForResponse('**/v1/audio/diarization')
   await replace(); release(); await inferenceResponse
diff --git a/core/http/react-ui/e2e/placement-rules.spec.js b/core/http/react-ui/e2e/placement-rules.spec.js
index a2be700ea9..d8edd72e5f 100644
--- a/core/http/react-ui/e2e/placement-rules.spec.js
+++ b/core/http/react-ui/e2e/placement-rules.spec.js
@@ -124,8 +124,10 @@ test.describe('Placement rules: the sheet', () => {
     await page.goto('/app/scheduling')
     await page.getByRole('button', { name: 'New rule' }).click()
     await expect(page.getByRole('button', { name: 'Save rule' })).toBeDisabled()
-    await page.getByRole('combobox', { name: 'Model' }).fill('new-model')
-    await page.keyboard.press('Escape')
+    await page.getByRole('button', { name: 'Model' }).click()
+    await page.getByRole('combobox', { name: 'Filter models' }).fill('new-model')
+    await page.keyboard.press('Enter')
+    await expect(page.getByRole('button', { name: 'Model' })).toContainText('new-model')
     await expect(page.getByTestId('rule-sheet')).toBeVisible()
     await page.getByRole('radio', { name: 'Auto-scaling' }).click()
     await page.getByLabel('Min replicas').fill('2')
@@ -146,7 +148,7 @@ test.describe('Placement rules: the sheet', () => {
     await expect(page.getByTestId('rule-sheet')).toBeVisible({ timeout: 15_000 })
     await expect(page.getByRole('radio', { name: 'Auto-scaling' })).toHaveAttribute('aria-checked', 'true')
     await expect(page.getByLabel('Min replicas')).toHaveValue('2')
-    await expect(page.getByRole('combobox', { name: 'Model' })).toHaveValue('kokoro-82m')
+    await expect(page.getByRole('button', { name: 'Model' })).toContainText('kokoro-82m')
     await expect(page).not.toHaveURL(/new=/)
   })
 
diff --git a/core/http/react-ui/e2e/threed-animation.spec.js b/core/http/react-ui/e2e/threed-animation.spec.js
index 1d8f048eea..0d98b769d1 100644
--- a/core/http/react-ui/e2e/threed-animation.spec.js
+++ b/core/http/react-ui/e2e/threed-animation.spec.js
@@ -50,7 +50,7 @@ test('switches inputs, generates animation, scrubs playback and restores history
   })
   await page.goto('/app/addons/studio/studio/threed')
   await page.getByRole('button', { name: 'trellis-test', exact: true }).click()
-  await page.getByRole('option', { name: 'kimodo-test', exact: true }).click()
+  await page.getByRole('option', { name: /^kimodo-test/ }).click()
   await expect(page.locator('#threed-image-file')).toHaveCount(0)
   await page.getByLabel('Motion prompt').fill('Walk forward and wave')
   await page.getByLabel('Frames (30 FPS)').fill('90')
@@ -89,7 +89,7 @@ test('plays in real time across delayed frames, looping, pause and seek', async
   await page.route('**/3d/animate', route => route.fulfill({ json: { data: [{ url: '/generated-3d/animation.glb' }] } }))
   await page.goto('/app/addons/studio/studio/threed')
   await page.getByRole('button', { name: 'trellis-test', exact: true }).click()
-  await page.getByRole('option', { name: 'kimodo-test', exact: true }).click()
+  await page.getByRole('option', { name: /^kimodo-test/ }).click()
   await page.getByLabel('Motion prompt').fill('Walk.')
   await page.getByRole('button', { name: /Generate$/ }).click()
   await page.getByRole('button', { name: 'Pause', exact: true }).click()
@@ -145,7 +145,7 @@ test('validates the prompt byte limit before submitting', async ({ page }) => {
   // The model query is now read as a hand-off, so pick the model in the page as a person would.
   await page.goto('/app/addons/studio/studio/threed')
   await page.getByRole('button', { name: 'trellis-test', exact: true }).click()
-  await page.getByRole('option', { name: 'kimodo-test', exact: true }).click()
+  await page.getByRole('option', { name: /^kimodo-test/ }).click()
   await page.getByLabel('Motion prompt').fill('🦊'.repeat(1025))
   await expect(page.getByRole('alert')).toContainText('4096 byte limit')
   expect(await page.getByLabel('Motion prompt').evaluate(element => element.checkValidity())).toBe(false)
@@ -181,7 +181,7 @@ test('reports unsupported skeleton transforms without displaying a stale pose',
   await page.route('**/3d/animate', route => route.fulfill({ json: { data: [{ url: '/generated-3d/animation.glb' }] } }))
   await page.goto('/app/addons/studio/studio/threed')
   await page.getByRole('button', { name: 'trellis-test', exact: true }).click()
-  await page.getByRole('option', { name: 'kimodo-test', exact: true }).click()
+  await page.getByRole('option', { name: /^kimodo-test/ }).click()
   await page.getByLabel('Motion prompt').fill('Walk.')
   await page.getByRole('button', { name: /Generate$/ }).click()
   await expect(page.getByRole('alert')).toContainText('Invalid skeleton transform')