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/Wizard/Steps/ReviewStep.swift

@@ -63,6 +63,7 @@ struct ReviewStep: View {
                 HStack(spacing: Theme.Spacing.xs) {
                     Image(systemName: "exclamationmark.triangle.fill")
                         .foregroundStyle(.orange)
+                        .accessibilityHidden(true)
                     Text("Complete all required fields to continue")
                         .font(.caption)
                         .foregroundStyle(Theme.textMuted(colorScheme))
@@ -85,6 +86,7 @@ struct ReviewStep: View {
                 .clipShape(RoundedRectangle(cornerRadius: Theme.CornerRadius.large))
             }
             .accessibilityIdentifier("wizard.planTripButton")
+            .accessibilityHint("Creates trip itinerary based on your selections")
             .disabled(!canPlanTrip || isPlanning)
         }
         .padding(Theme.Spacing.lg)
@@ -155,6 +157,7 @@ private struct ReviewRow: View {
                 Image(systemName: "exclamationmark.circle.fill")
                     .font(.caption)
                     .foregroundStyle(.red)
+                    .accessibilityHidden(true)
             }
         }
     }