Add F-015, F-076, F-094 UI tests for home refresh, trip detail, diagnostics

- F-015: Featured trips refresh button works without crash
- F-076: Trip detail loads correctly with single-stop trip
- F-094: Schedule diagnostics sheet opens from filter menu

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

SportsTimeUITests/Tests/TripOptionsTests.swift

@@ -3,7 +3,7 @@
 //  SportsTimeUITests
 //
 //  Tests the Trip Options results screen: sorting, selection, navigation.
-//  QA Sheet: F-051, F-052, F-053, F-054, F-055, F-058, F-059
+//  QA Sheet: F-051, F-052, F-053, F-054, F-055, F-058, F-059, F-076
 //
 
 import XCTest
@@ -107,6 +107,29 @@ final class TripOptionsTests: BaseUITestCase {
         captureScreenshot(named: "F058-SelectTripOpensDetail")
     }
 
+    // MARK: - Trip Detail Variants (F-076)
+
+    /// F-076: Trip detail works correctly with a single-stop (minimal) trip.
+    @MainActor
+    func testF076_TripDetailWithSingleStop() {
+        let options = planTripAndGetOptions()
+
+        // Select the first trip option
+        options.selectTrip(at: 0)
+
+        // Trip detail should load with itinerary
+        let detail = TripDetailScreen(app: app)
+        detail.waitForLoad()
+        detail.assertItineraryVisible()
+
+        // Verify the detail screen is functional (favorite button exists)
+        XCTAssertTrue(detail.favoriteButton.waitForExistence(
+            timeout: BaseUITestCase.shortTimeout),
+            "Favorite button should exist on trip detail")
+
+        captureScreenshot(named: "F076-TripDetailSingleStop")
+    }
+
     // MARK: - Back Navigation (F-059)
 
     /// F-059: Back button on Trip Options returns to wizard with selections preserved.