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/Schedule/Views/ScheduleListView.swift

@@ -56,6 +56,7 @@ struct ScheduleListView: View {
                     }
                 } label: {
                     Image(systemName: viewModel.hasFilters ? "line.3.horizontal.decrease.circle.fill" : "line.3.horizontal.decrease.circle")
+                        .accessibilityLabel(viewModel.hasFilters ? "Filter options, filters active" : "Filter options")
                 }
             }
         }
@@ -116,6 +117,7 @@ struct ScheduleListView: View {
                 } header: {
                     HStack(spacing: 8) {
                         Image(systemName: sportGroup.sport.iconName)
+                            .accessibilityHidden(true)
                         Text(sportGroup.sport.rawValue)
                     }
                     .font(.headline)
@@ -219,6 +221,8 @@ struct SportFilterChip: View {
             .clipShape(Capsule())
         }
         .buttonStyle(.plain)
+        .accessibilityValue(isSelected ? "Selected" : "Not selected")
+        .accessibilityAddTraits(isSelected ? .isSelected : [])
     }
 }
 
@@ -297,6 +301,7 @@ struct GameRowView: View {
                     Image(systemName: "mappin.circle.fill")
                         .font(.caption2)
                         .foregroundStyle(.tertiary)
+                        .accessibilityHidden(true)
                     Text(game.stadium.city)
                         .font(.caption)
                         .foregroundStyle(.secondary)
@@ -320,6 +325,7 @@ struct TeamBadge: View {
                 Circle()
                     .fill(Color(hex: colorHex))
                     .frame(width: 8, height: 8)
+                    .accessibilityHidden(true)
             }
 
             Text(team.abbreviation)