feat: add WCAG AA accessibility app-wide, fix CloudKit container config, remove debug logs

- Add VoiceOver labels, hints, and element grouping across all 60+ views
- Add Reduce Motion support (Theme.Animation.prefersReducedMotion) to all animations
- Replace fixed font sizes with semantic Dynamic Type styles
- Hide decorative elements from VoiceOver with .accessibilityHidden(true)
- Add .minimumHitTarget() modifier ensuring 44pt touch targets
- Add AccessibilityAnnouncer utility for VoiceOver announcements
- Improve color contrast values in Theme.swift for WCAG AA compliance
- Extract CloudKitContainerConfig for explicit container identity
- Remove PostHog debug console log from AnalyticsManager

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

SportsTime/Features/Polls/ViewModels/PollVotingViewModel.swift

@@ -35,6 +35,16 @@ final class PollVotingViewModel {
         rankings.move(fromOffsets: source, toOffset: destination)
     }
 
+    func moveTripUp(at index: Int) {
+        guard index > 0, index < rankings.count else { return }
+        rankings.swapAt(index, index - 1)
+    }
+
+    func moveTripDown(at index: Int) {
+        guard index >= 0, index < rankings.count - 1 else { return }
+        rankings.swapAt(index, index + 1)
+    }
+
     func submitVote(pollId: UUID) async {
         guard canSubmit else { return }