Remove debug prints and fix build warnings

- Remove all print statements from planning engine, data providers, and PDF generation
- Fix deprecated CLGeocoder usage with MKLocalSearch for iOS 26
- Fix Swift 6 actor isolation by converting PDFGenerator/ExportService to @MainActor
- Add @retroactive to CLLocationCoordinate2D protocol conformances
- Fix unused variable warnings in GameDAGRouter and scenario planners
- Remove unreachable catch blocks in SettingsViewModel

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

SportsTime/Export/Services/PDFAssetPrefetcher.swift

@@ -89,11 +89,15 @@ actor PDFAssetPrefetcher {
             }
         }
 
+        // Create immutable copies for concurrent access
+        let teamsToFetch = teams
+        let stadiumsToFetch = stadiums
+
         // Run all fetches in parallel
         async let routeMapTask = fetchRouteMap(stops: trip.stops)
         async let cityMapsTask = fetchCityMaps(stops: trip.stops)
-        async let logosTask = imageService.fetchTeamLogos(teams: teams)
-        async let photosTask = imageService.fetchStadiumPhotos(stadiums: stadiums)
+        async let logosTask = imageService.fetchTeamLogos(teams: teamsToFetch)
+        async let photosTask = imageService.fetchStadiumPhotos(stadiums: stadiumsToFetch)
         async let poisTask = poiService.findPOIsForCities(stops: trip.stops, limit: 5)
 
         // Await each result and update progress
@@ -117,13 +121,6 @@ actor PDFAssetPrefetcher {
         progress.poisComplete = true
         await progressCallback?(progress)
 
-        print("[PDFAssetPrefetcher] Prefetch complete:")
-        print("  - Route map: \(routeMap != nil ? "OK" : "Failed")")
-        print("  - City maps: \(cityMaps.count) cities")
-        print("  - Team logos: \(teamLogos.count) logos")
-        print("  - Stadium photos: \(stadiumPhotos.count) photos")
-        print("  - POIs: \(cityPOIs.values.reduce(0) { $0 + $1.count }) total POIs")
-
         return PrefetchedAssets(
             routeMap: routeMap,
             cityMaps: cityMaps,
@@ -141,7 +138,6 @@ actor PDFAssetPrefetcher {
             let mapSize = CGSize(width: 512, height: 350)
             return try await mapService.generateRouteMap(stops: stops, size: mapSize)
         } catch {
-            print("[PDFAssetPrefetcher] Route map failed: \(error.localizedDescription)")
             return nil
         }
     }
@@ -162,7 +158,6 @@ actor PDFAssetPrefetcher {
                         let map = try await self.mapService.generateCityMap(stop: stop, size: mapSize)
                         return (stop.city, map)
                     } catch {
-                        print("[PDFAssetPrefetcher] City map for \(stop.city) failed: \(error.localizedDescription)")
                         return (stop.city, nil)
                     }
                 }