Add complete group trip polling feature allowing users to share trips
with friends for voting using Borda count scoring.
New components:
- TripPoll and PollVote domain models with share codes and rankings
- LocalTripPoll and LocalPollVote SwiftData models for persistence
- CKTripPoll and CKPollVote CloudKit record wrappers
- PollService actor for CloudKit CRUD operations and subscriptions
- PollCreation/Detail/Voting views and view models
- Deep link handling for sportstime://poll/{code} URLs
- Debug Pro status override toggle in Settings
Integration:
- HomeView shows polls section in My Trips
- SportsTimeApp registers SwiftData models and handles deep links
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
13385b6562