fix: multiple bug fixes and improvements

- Fix suggested trips showing wrong sports for cross-country trips
- Remove quick start sections from home variants (Classic, Spotify)
- Remove dead quickActions code from HomeView
- Fix pace capsule animation in TripCreationView
- Add text wrapping to achievement descriptions
- Improve poll parsing with better error handling
- Various sharing system improvements

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

SportsTime/Export/Sharing/ShareCardComponents.swift

@@ -56,20 +56,9 @@ struct ShareCardHeader: View {
 
 struct ShareCardFooter: View {
     let theme: ShareTheme
-    var username: String? = nil
 
     var body: some View {
         VStack(spacing: 12) {
-            if let username = username, !username.isEmpty {
-                HStack(spacing: 8) {
-                    Image(systemName: "person.circle.fill")
-                        .font(.system(size: 24))
-                    Text("@\(username)")
-                        .font(.system(size: 28, weight: .medium))
-                }
-                .foregroundStyle(theme.secondaryTextColor)
-            }
-
             HStack(spacing: 8) {
                 Image(systemName: "sportscourt.fill")
                     .font(.system(size: 20))