feat: manage private device storage (Closes #998)

tests/e2e/test_mobile_home_bootstrap_release.py

@@ -80,6 +80,18 @@ def test_release_artifact_bootstraps_mobile_home_and_returns_from_insights(
             expect(page.locator("#my-work")).to_be_visible()
             expect(dock).to_be_visible()
 
+            page.locator("#app-menu-toggle").click()
+            page.locator("#open-device-setup").click()
+            expect(page.locator("#device-setup-sheet")).to_be_visible()
+            expect(page.locator("#device-storage-heading")).to_have_text("Private device storage")
+            expect(page.locator("#device-storage-detail")).to_contain_text("private work stores")
+            for selector in ("#clear-device-caches", "#clear-private-device-data"):
+                bounds = page.locator(selector).bounding_box()
+                assert bounds and bounds["height"] >= 44
+            assert page.evaluate("document.documentElement.scrollWidth <= window.innerWidth")
+            page.locator("#close-device-setup").click()
+            expect(page.locator("#device-setup-sheet")).to_be_hidden()
+
             assert len(workspace_requests) == 1, workspace_requests
             assert page.evaluate("document.documentElement.scrollWidth <= window.innerWidth")
             assert browser_errors == []