feat: add XCUITest suite with 10 critical flow tests and QA test plan

Add comprehensive UI test infrastructure with Page Object pattern,
accessibility identifiers, UI test mode (--ui-testing, --reset-state,
--disable-animations), and 10 passing tests covering app launch, tab
navigation, trip wizard, trip saving, settings, schedule, and
accessibility at XXXL Dynamic Type. Also adds a 229-case QA test plan
Excel workbook for manual QA handoff.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

SportsTimeUITests/Tests/SettingsTests.swift

@@ -0,0 +1,48 @@
+//
+//  SettingsTests.swift
+//  SportsTimeUITests
+//
+//  Verifies the Settings screen loads, displays version, and shows all sections.
+//
+
+import XCTest
+
+final class SettingsTests: BaseUITestCase {
+
+    /// Verifies the Settings screen loads and displays the app version.
+    @MainActor
+    func testSettingsShowsVersion() {
+        let home = HomeScreen(app: app)
+        home.waitForLoad()
+        home.switchToTab(home.settingsTab)
+
+        let settings = SettingsScreen(app: app)
+        settings.assertLoaded()
+        settings.assertVersionDisplayed()
+
+        captureScreenshot(named: "Settings-Version")
+    }
+
+    /// Verifies key sections are present in Settings.
+    @MainActor
+    func testSettingsSectionsPresent() {
+        let home = HomeScreen(app: app)
+        home.waitForLoad()
+        home.switchToTab(home.settingsTab)
+
+        let settings = SettingsScreen(app: app)
+        settings.assertLoaded()
+
+        // Assert: Key sections exist
+        XCTAssertTrue(settings.subscriptionSection.waitForExistence(
+            timeout: BaseUITestCase.shortTimeout),
+            "Subscription section should exist")
+
+        // SwiftUI List renders as UICollectionView on iOS 26
+        settings.privacySection.scrollIntoView(in: app.collectionViews.firstMatch)
+        XCTAssertTrue(settings.privacySection.exists, "Privacy section should exist")
+
+        settings.aboutSection.scrollIntoView(in: app.collectionViews.firstMatch)
+        XCTAssertTrue(settings.aboutSection.exists, "About section should exist")
+    }
+}