diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 08ab610..f8b5209 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -55,7 +55,14 @@ jobs:
       - run: npm ci
 
       - name: Install Playwright browsers
-        run: npx playwright install --with-deps chromium firefox webkit
+        # PRs only need chromium for the chromium-desktop project; pushes to
+        # main run the full cross-browser matrix.
+        run: |
+          if [ "${{ github.event_name }}" = "pull_request" ]; then
+            npx playwright install --with-deps chromium
+          else
+            npx playwright install --with-deps chromium firefox webkit
+          fi
 
       - name: Build app in mock mode
         run: npm run build
@@ -68,12 +75,20 @@ jobs:
         # workflow (workflow_dispatch). Until they are committed, run the
         # functional e2e tests and skip screenshot assertions instead of
         # silently regenerating (and so never actually comparing) them.
+        # PRs only run chromium-desktop for fast feedback; pushes to main
+        # keep running the full browser/device project matrix.
         run: |
+          if [ "${{ github.event_name }}" = "pull_request" ]; then
+            PROJECT_ARGS="--project=chromium-desktop"
+          else
+            PROJECT_ARGS=""
+          fi
+
           if find e2e/__screenshots__ -name '*.png' | grep -q .; then
-            npx playwright test
+            npx playwright test $PROJECT_ARGS
           else
             echo "::warning::No visual baselines committed; skipping screenshot assertions."
-            npx playwright test --ignore-snapshots
+            npx playwright test --ignore-snapshots $PROJECT_ARGS
           fi
         env:
           NEXT_PUBLIC_STREAM_CONTRACT_ID_TESTNET: ''
diff --git a/__tests__/components/clear-local-data.test.tsx b/__tests__/components/clear-local-data.test.tsx
new file mode 100644
index 0000000..031b4b1
--- /dev/null
+++ b/__tests__/components/clear-local-data.test.tsx
@@ -0,0 +1,84 @@
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'
+import { render, screen } from '@testing-library/react'
+import { ClearLocalData } from '@/components/settings/clear-local-data'
+
+const mockToastSuccess = vi.fn()
+
+vi.mock('sonner', () => ({
+  toast: {
+    success: (...args: any[]) => mockToastSuccess(...args),
+  },
+}))
+
+describe('ClearLocalData', () => {
+  beforeEach(() => {
+    vi.useFakeTimers()
+    window.localStorage.clear()
+    mockToastSuccess.mockClear()
+  })
+
+  afterEach(() => {
+    vi.useRealTimers()
+    vi.restoreAllMocks()
+  })
+
+  it('requires a confirmation step before clearing', () => {
+    window.localStorage.setItem('flowstar:streams', '[]')
+    render(<ClearLocalData />)
+
+    expect(screen.queryByText("Are you sure? This can't be undone.")).not.toBeInTheDocument()
+
+    screen.getByText('Clear local data').click()
+
+    expect(screen.getByText("Are you sure? This can't be undone.")).toBeInTheDocument()
+    // Clicking the initial button only arms the confirmation; nothing is removed yet.
+    expect(window.localStorage.getItem('flowstar:streams')).toBe('[]')
+  })
+
+  it('only removes keys prefixed with flowstar, keeping other keys like walletId', () => {
+    window.localStorage.setItem('flowstar:streams', '[]')
+    window.localStorage.setItem('flowstar_notifications', '{}')
+    window.localStorage.setItem('flowstar-network', 'testnet')
+    window.localStorage.setItem('walletId', 'abc123')
+    window.localStorage.setItem('unrelatedKey', 'keep-me')
+
+    render(<ClearLocalData />)
+
+    screen.getByText('Clear local data').click()
+    screen.getByText('Confirm clear').click()
+
+    expect(window.localStorage.getItem('flowstar:streams')).toBeNull()
+    expect(window.localStorage.getItem('flowstar_notifications')).toBeNull()
+    expect(window.localStorage.getItem('flowstar-network')).toBeNull()
+    expect(window.localStorage.getItem('walletId')).toBe('abc123')
+    expect(window.localStorage.getItem('unrelatedKey')).toBe('keep-me')
+  })
+
+  it('shows a success toast reporting how many items were cleared', () => {
+    window.localStorage.setItem('flowstar:streams', '[]')
+    window.localStorage.setItem('flowstar_notifications', '{}')
+    window.localStorage.setItem('walletId', 'abc123')
+
+    render(<ClearLocalData />)
+
+    screen.getByText('Clear local data').click()
+    screen.getByText('Confirm clear').click()
+
+    expect(mockToastSuccess).toHaveBeenCalledWith(
+      'Cleared 2 items of local data',
+      expect.objectContaining({ description: 'Reloading…' }),
+    )
+  })
+
+  it('cancel button dismisses the confirmation without clearing anything', () => {
+    window.localStorage.setItem('flowstar:streams', '[]')
+    render(<ClearLocalData />)
+
+    screen.getByText('Clear local data').click()
+    screen.getByText('Cancel').click()
+
+    expect(screen.queryByText("Are you sure? This can't be undone.")).not.toBeInTheDocument()
+    expect(window.localStorage.getItem('flowstar:streams')).toBe('[]')
+    expect(mockToastSuccess).not.toHaveBeenCalled()
+  })
+})
diff --git a/e2e/contract-integration.spec.ts b/e2e/contract-integration.spec.ts
index 438ae5f..1cdf42e 100644
--- a/e2e/contract-integration.spec.ts
+++ b/e2e/contract-integration.spec.ts
@@ -1,5 +1,6 @@
 import { test, expect, type Page } from '@playwright/test'
 
+// ─── Shared helper: inject xBull mock so the wallet-gated stream detail page renders ─
 // The create form is wrapped in `RequireWallet`, so without a connected
 // wallet it only renders a connect prompt instead of the real form fields.
 // Mirrors the helper used in e2e/accessibility.spec.ts.
@@ -54,9 +55,9 @@ test.describe('Contract Integration Tests', () => {
     })
 
     test('should display share buttons on stream detail', async ({ page }) => {
-      await page.goto('/app/stream/test-id')
-      const shareBtn = page.locator('button:has-text("Share")')
-      // Should be clickable even if stream doesn't exist
+      await withWallet(page)
+      await page.goto('/app/stream/1')
+      const shareBtn = page.getByRole('button', { name: 'Share stream' })
       await expect(shareBtn).toBeVisible()
     })
   })
diff --git a/playwright.config.ts b/playwright.config.ts
index a3d41a6..92607a5 100644
--- a/playwright.config.ts
+++ b/playwright.config.ts
@@ -5,7 +5,7 @@ export default defineConfig({
   fullyParallel: true,
   forbidOnly: !!process.env.CI,
   retries: process.env.CI ? 2 : 0,
-  workers: process.env.CI ? 1 : undefined,
+  workers: process.env.CI ? 2 : undefined,
   reporter: "html",
   outputDir: "test-results",
   snapshotDir: "./e2e/__screenshots__",