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/DateRangePicker.swift

@@ -25,6 +25,7 @@ struct DateRangePicker: View {
 
     private let calendar = Calendar.current
     private let daysOfWeek = ["S", "M", "T", "W", "T", "F", "S"]
+    private let daysOfWeekFull = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]
 
     private var monthYearString: String {
         let formatter = DateFormatter()
@@ -96,13 +97,13 @@ struct DateRangePicker: View {
             if isDemoMode && !hasAppliedDemoSelection {
                 hasAppliedDemoSelection = true
                 DispatchQueue.main.asyncAfter(deadline: .now() + DemoConfig.selectionDelay) {
-                    withAnimation(.easeInOut(duration: 0.3)) {
+                    Theme.Animation.withMotion(.easeInOut(duration: 0.3)) {
                         // Navigate to demo month
                         displayedMonth = DemoConfig.demoStartDate
                     }
                 }
                 DispatchQueue.main.asyncAfter(deadline: .now() + DemoConfig.selectionDelay + 0.5) {
-                    withAnimation(.easeInOut(duration: 0.3)) {
+                    Theme.Animation.withMotion(.easeInOut(duration: 0.3)) {
                         startDate = DemoConfig.demoStartDate
                         endDate = DemoConfig.demoEndDate
                         selectionState = .complete
@@ -119,7 +120,7 @@ struct DateRangePicker: View {
             let newYear = calendar.component(.year, from: newValue)
 
             if oldMonth != newMonth || oldYear != newYear {
-                withAnimation(.easeInOut(duration: 0.2)) {
+                Theme.Animation.withMotion(.easeInOut(duration: 0.2)) {
                     displayedMonth = calendar.startOfDay(for: newValue)
                 }
             }
@@ -148,6 +149,7 @@ struct DateRangePicker: View {
             Image(systemName: "arrow.right")
                 .font(.subheadline)
                 .foregroundStyle(Theme.textMuted(colorScheme))
+                .accessibilityHidden(true)
 
             // End date
             VStack(alignment: .trailing, spacing: 4) {
@@ -168,17 +170,18 @@ struct DateRangePicker: View {
     private var monthNavigation: some View {
         HStack {
             Button {
-                withAnimation(.easeInOut(duration: 0.2)) {
+                Theme.Animation.withMotion(.easeInOut(duration: 0.2)) {
                     displayedMonth = calendar.date(byAdding: .month, value: -1, to: displayedMonth) ?? displayedMonth
                 }
             } label: {
                 Image(systemName: "chevron.left")
                     .font(.body)
                     .foregroundStyle(Theme.warmOrange)
-                    .frame(width: 36, height: 36)
+                    .frame(minWidth: 44, minHeight: 44)
                     .background(Theme.warmOrange.opacity(0.15))
                     .clipShape(Circle())
             }
+            .accessibilityLabel("Previous month")
             .accessibilityIdentifier("wizard.dates.previousMonth")
 
             Spacer()
@@ -191,28 +194,30 @@ struct DateRangePicker: View {
             Spacer()
 
             Button {
-                withAnimation(.easeInOut(duration: 0.2)) {
+                Theme.Animation.withMotion(.easeInOut(duration: 0.2)) {
                     displayedMonth = calendar.date(byAdding: .month, value: 1, to: displayedMonth) ?? displayedMonth
                 }
             } label: {
                 Image(systemName: "chevron.right")
                     .font(.body)
                     .foregroundStyle(Theme.warmOrange)
-                    .frame(width: 36, height: 36)
+                    .frame(minWidth: 44, minHeight: 44)
                     .background(Theme.warmOrange.opacity(0.15))
                     .clipShape(Circle())
             }
+            .accessibilityLabel("Next month")
             .accessibilityIdentifier("wizard.dates.nextMonth")
         }
     }
 
     private var daysOfWeekHeader: some View {
         HStack(spacing: 0) {
-            ForEach(Array(daysOfWeek.enumerated()), id: \.offset) { _, day in
+            ForEach(Array(daysOfWeek.enumerated()), id: \.offset) { index, day in
                 Text(day)
                     .font(.caption)
                     .foregroundStyle(Theme.textMuted(colorScheme))
                     .frame(maxWidth: .infinity)
+                    .accessibilityLabel(daysOfWeekFull[index])
             }
         }
     }
@@ -243,6 +248,7 @@ struct DateRangePicker: View {
         HStack(spacing: Theme.Spacing.xs) {
             Image(systemName: "calendar.badge.clock")
                 .foregroundStyle(Theme.warmOrange)
+                .accessibilityHidden(true)
             Text("\(tripDuration) day\(tripDuration == 1 ? "" : "s")")
                 .font(.subheadline)
                 .foregroundStyle(Theme.textSecondary(colorScheme))
@@ -348,7 +354,7 @@ struct DayCell: View {
                     }
 
                     Text(dayNumber)
-                        .font(.system(size: 14, weight: (isStart || isEnd) ? .bold : .medium))
+                        .font(.subheadline)
                         .foregroundStyle(
                             isPast ? Theme.textMuted(colorScheme).opacity(0.5) :
                             (isStart || isEnd) ? .white :