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/Core/Services/PollService.swift

@@ -184,6 +184,13 @@ actor PollService {
     }
 
     func deletePoll(_ pollId: UUID) async throws {
+        // Verify ownership before deleting
+        let poll = try await fetchPoll(byId: pollId)
+        let userId = try await getCurrentUserRecordID()
+        guard poll.ownerId == userId else {
+            throw PollError.notPollOwner
+        }
+
         let recordID = CKRecord.ID(recordName: pollId.uuidString)
 
         do {
@@ -193,6 +200,8 @@ actor PollService {
             try await publicDatabase.deleteRecord(withID: recordID)
         } catch let error as CKError {
             throw mapCloudKitError(error)
+        } catch let error as PollError {
+            throw error
         } catch {
             throw PollError.unknown(error)
         }