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/Planning/Engine/GameDAGRouter.swift

@@ -92,8 +92,6 @@ enum GameDAGRouter {
 
         guard !sortedDays.isEmpty else { return [] }
 
-        print("[GameDAGRouter] \(games.count) games across \(sortedDays.count) days")
-        print("[GameDAGRouter] Games per day: \(sortedDays.map { buckets[$0]?.count ?? 0 })")
 
         // Step 3: Initialize beam with first day's games
         var beam: [[Game]] = []
@@ -113,10 +111,9 @@ enum GameDAGRouter {
             }
         }
 
-        print("[GameDAGRouter] Initial beam size: \(beam.count)")
 
         // Step 4: Expand beam day by day
-        for (index, dayIndex) in sortedDays.dropFirst().enumerated() {
+        for (_, dayIndex) in sortedDays.dropFirst().enumerated() {
             let todaysGames = buckets[dayIndex] ?? []
             var nextBeam: [[Game]] = []
 
@@ -131,14 +128,11 @@ enum GameDAGRouter {
                     continue
                 }
 
-                var addedAny = false
-
                 // Try adding each of today's games
                 for candidate in todaysGames {
                     if canTransition(from: lastGame, to: candidate, stadiums: stadiums, constraints: constraints) {
                         let newPath = path + [candidate]
                         nextBeam.append(newPath)
-                        addedAny = true
                     }
                 }
 
@@ -148,7 +142,6 @@ enum GameDAGRouter {
 
             // Dominance pruning + beam truncation
             beam = pruneAndTruncate(nextBeam, beamWidth: beamWidth, stadiums: stadiums)
-            print("[GameDAGRouter] Day \(dayIndex): nextBeam=\(nextBeam.count), after prune=\(beam.count), max games=\(beam.map { $0.count }.max() ?? 0)")
         }
 
         // Step 5: Filter routes that contain all anchors
@@ -160,15 +153,7 @@ enum GameDAGRouter {
         // Step 6: Ensure geographic diversity in results
         // Group routes by their primary region (city with most games)
         // Then pick the best route from each region
-        let diverseRoutes = selectDiverseRoutes(routesWithAnchors, stadiums: stadiums, maxCount: maxOptions)
-
-        print("[GameDAGRouter] Found \(routesWithAnchors.count) routes with anchors, returning \(diverseRoutes.count) diverse routes")
-        for (i, route) in diverseRoutes.prefix(5).enumerated() {
-            let cities = route.compactMap { stadiums[$0.stadiumId]?.city }.joined(separator: " → ")
-            print("[GameDAGRouter] Route \(i+1): \(route.count) games - \(cities)")
-        }
-
-        return diverseRoutes
+        return selectDiverseRoutes(routesWithAnchors, stadiums: stadiums, maxCount: maxOptions)
     }
 
     /// Compatibility wrapper that matches GeographicRouteExplorer's interface.
@@ -320,7 +305,6 @@ enum GameDAGRouter {
             return score1 > score2
         }
 
-        print("[GameDAGRouter] Found \(sortedRegions.count) distinct regions: \(sortedRegions.prefix(10).joined(separator: ", "))")
 
         // Pick routes round-robin from each region to ensure diversity
         var selectedRoutes: [[Game]] = []