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/Trip/Views/ItineraryRows/GameItemRow.swift

@@ -24,6 +24,7 @@ struct GameItemRow: View {
                     HStack(spacing: 3) {
                         Image(systemName: game.game.sport.iconName)
                             .font(.caption2)
+                            .accessibilityHidden(true)
                         Text(game.game.sport.rawValue)
                             .font(.caption2)
                     }
@@ -44,6 +45,7 @@ struct GameItemRow: View {
                 HStack(spacing: 4) {
                     Image(systemName: "building.2")
                         .font(.caption2)
+                        .accessibilityHidden(true)
                     Text(game.stadium.name)
                         .font(.subheadline)
                 }
@@ -57,6 +59,7 @@ struct GameItemRow: View {
                 .font(.subheadline)
                 .foregroundStyle(Theme.warmOrange)
         }
+        .accessibilityElement(children: .combine)
         .padding(Theme.Spacing.md)
         .background(Theme.cardBackgroundElevated(colorScheme))
         .clipShape(RoundedRectangle(cornerRadius: Theme.CornerRadius.medium))