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/PhotoImportView.swift

@@ -91,7 +91,7 @@ struct PhotoImportView: View {
                     .frame(width: 120, height: 120)
 
                 Image(systemName: "photo.on.rectangle.angled")
-                    .font(.system(size: 50))
+                    .font(.largeTitle)
                     .foregroundStyle(Theme.warmOrange)
             }
 
@@ -137,6 +137,7 @@ struct PhotoImportView: View {
             HStack {
                 Image(systemName: "info.circle.fill")
                     .foregroundStyle(Theme.warmOrange)
+                    .accessibilityHidden(true)
                 Text("How it works")
                     .font(.body)
             }
@@ -374,6 +375,7 @@ struct PhotoImportCandidateCard: View {
                         .font(.title2)
                         .foregroundStyle(isConfirmed ? .green : Theme.textMuted(colorScheme))
                 }
+                .accessibilityLabel(isConfirmed ? "Deselect for import" : "Confirm import")
             }
             .font(.subheadline)
             .foregroundStyle(Theme.textSecondary(colorScheme))
@@ -419,6 +421,7 @@ struct PhotoImportCandidateCard: View {
                     Spacer()
                     Image(systemName: "chevron.right")
                         .foregroundStyle(Theme.textMuted(colorScheme))
+                        .accessibilityHidden(true)
                 }
             }
 
@@ -426,6 +429,7 @@ struct PhotoImportCandidateCard: View {
             HStack {
                 Image(systemName: "exclamationmark.triangle")
                     .foregroundStyle(.red)
+                    .accessibilityLabel("Error")
                 Text(reason.description)
                     .font(.subheadline)
                     .foregroundStyle(Theme.textSecondary(colorScheme))
@@ -538,6 +542,7 @@ private struct InfoRow: View {
         HStack(spacing: 8) {
             Image(systemName: icon)
                 .frame(width: 16)
+                .accessibilityHidden(true)
             Text(text)
         }
     }