Add F-045, F-056, F-057 UI tests for planning errors and trip option filters

- F-045: Planning with conflicting constraints handles gracefully
- F-056: Pace filter (Packed/Moderate/Relaxed) selects correctly
- F-057: Cities filter limits trip results

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, F-076
+//  QA Sheet: F-051, F-052, F-053, F-054, F-055, F-056, F-057, F-058, F-059, F-076
 //
 
 import XCTest
@@ -107,6 +107,62 @@ final class TripOptionsTests: BaseUITestCase {
         captureScreenshot(named: "F058-SelectTripOpensDetail")
     }
 
+    // MARK: - Pace Filter (F-056)
+
+    /// F-056: Pace filter dropdown selects Packed/Moderate/Relaxed.
+    @MainActor
+    func testF056_PaceFilter() {
+        _ = planTripAndGetOptions()
+
+        // The pace filter is a Menu. The default label shows "All".
+        // Find and tap the pace filter menu button.
+        let paceMenu = app.buttons.matching(NSPredicate(
+            format: "label CONTAINS 'All' OR label CONTAINS 'Packed' OR label CONTAINS 'Moderate' OR label CONTAINS 'Relaxed'"
+        )).firstMatch
+
+        XCTAssertTrue(paceMenu.waitForExistence(timeout: BaseUITestCase.shortTimeout),
+                       "Pace filter menu should exist")
+        paceMenu.tap()
+
+        // Select "Packed" from the menu
+        let packedOption = app.buttons["Packed"]
+        XCTAssertTrue(packedOption.waitForExistence(timeout: BaseUITestCase.shortTimeout),
+                       "Packed option should exist in pace menu")
+        packedOption.tap()
+
+        // Results should update (may show fewer or same results)
+        // The pace filter label should now show "Packed"
+        let updatedMenu = app.buttons.matching(NSPredicate(
+            format: "label CONTAINS 'Packed'"
+        )).firstMatch
+        XCTAssertTrue(updatedMenu.waitForExistence(timeout: BaseUITestCase.shortTimeout),
+                       "Pace filter should show 'Packed' after selection")
+
+        captureScreenshot(named: "F056-PaceFilter-Packed")
+    }
+
+    // MARK: - Cities Filter (F-057)
+
+    /// F-057: Cities filter limits results to selected max cities.
+    @MainActor
+    func testF057_CitiesFilter() {
+        _ = planTripAndGetOptions()
+
+        // Cities filter buttons are labeled with numbers: "No Limit", "15", "10", "5", etc.
+        // Find and tap the "5" cities filter button
+        let fiveCitiesButton = app.buttons["5"]
+        fiveCitiesButton.scrollIntoView(in: app.scrollViews.firstMatch)
+
+        XCTAssertTrue(fiveCitiesButton.waitForExistence(timeout: BaseUITestCase.shortTimeout),
+                       "'5' cities filter button should exist")
+        fiveCitiesButton.tap()
+
+        // Results should update; verify no crash
+        sleep(1)
+
+        captureScreenshot(named: "F057-CitiesFilter-5")
+    }
+
     // MARK: - Trip Detail Variants (F-076)
 
     /// F-076: Trip detail works correctly with a single-stop (minimal) trip.