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/HomeTests.swift

@@ -3,7 +3,7 @@
 //  SportsTimeUITests
 //
 //  Tests for the Home tab: hero card, start planning, toolbar button, recent trips, polls.
-//  QA Sheet: F-012, F-013, F-014, F-017, F-018, F-019, F-020, F-081, F-083, F-084
+//  QA Sheet: F-012, F-013, F-014, F-015, F-017, F-018, F-019, F-020, F-081, F-083, F-084
 //
 
 import XCTest
@@ -59,6 +59,42 @@ final class HomeTests: BaseUITestCase {
         captureScreenshot(named: "F020-ToolbarCreateTrip")
     }
 
+    /// F-015: Featured trips refresh button reloads suggestions.
+    @MainActor
+    func testF015_FeaturedTripsRefreshButton() {
+        let home = HomeScreen(app: app)
+        home.waitForLoad()
+
+        // Wait for featured trips section to load
+        let section = home.featuredTripsSection
+        if !section.waitForExistence(timeout: BaseUITestCase.longTimeout) {
+            section.scrollIntoView(in: app.scrollViews.firstMatch, maxScrolls: 15)
+        }
+
+        guard section.exists else {
+            XCTFail("Featured trips section not found — cannot test refresh")
+            return
+        }
+
+        // Find the refresh button by accessibility label
+        let refreshButton = app.buttons["Refresh trips"]
+        refreshButton.scrollIntoView(in: app.scrollViews.firstMatch)
+        XCTAssertTrue(refreshButton.exists,
+                       "Refresh trips button should exist in featured section")
+
+        // Tap refresh and verify no crash
+        refreshButton.tap()
+
+        // Wait briefly for reload
+        sleep(2)
+
+        // Featured section should still exist after refresh
+        XCTAssertTrue(section.exists,
+                       "Featured trips section should remain after refresh")
+
+        captureScreenshot(named: "F015-FeaturedTripsRefresh")
+    }
+
     /// F-014: Featured trips carousel loads and is visible.
     @MainActor
     func testF014_FeaturedTripsCarouselLoads() {