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/Progress/Views/GamesHistoryView.swift

@@ -57,6 +57,7 @@ private struct GamesHistoryContent: View {
                             viewModel.clearFilters()
                         }
                         .font(.caption)
+                        .accessibilityHint("Clear all sport filters")
                     }
                 }
 
@@ -119,6 +120,7 @@ private struct SportChip: View {
             HStack(spacing: 4) {
                 Image(systemName: sportIcon)
                     .font(.caption)
+                    .accessibilityHidden(true)
                 Text(sport.rawValue)
                     .font(.caption.bold())
             }
@@ -131,6 +133,8 @@ private struct SportChip: View {
             )
         }
         .buttonStyle(.plain)
+        .accessibilityValue(isSelected ? "Selected" : "Not selected")
+        .accessibilityAddTraits(isSelected ? .isSelected : [])
     }
 
     private var sportIcon: String {
@@ -199,7 +203,7 @@ private struct EmptyGamesView: View {
     var body: some View {
         VStack(spacing: 16) {
             Image(systemName: "ticket")
-                .font(.system(size: 48))
+                .font(.largeTitle)
                 .foregroundStyle(.secondary)
 
             Text("No games recorded yet")