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/ScenarioAPlanner.swift

@@ -68,9 +68,6 @@ final class ScenarioAPlanner: ScenarioPlanner {
             .filter { dateRange.contains($0.startTime) }
             .sorted { $0.startTime < $1.startTime }
 
-        print("[ScenarioA] Found \(gamesInRange.count) games in date range")
-        print("[ScenarioA] Stadiums available: \(request.stadiums.count)")
-
         // No games? Nothing to plan.
         if gamesInRange.isEmpty {
             return .failure(
@@ -100,11 +97,6 @@ final class ScenarioAPlanner: ScenarioPlanner {
             stopBuilder: buildStops
         )
 
-        print("[ScenarioA] GameDAGRouter returned \(validRoutes.count) routes")
-        if !validRoutes.isEmpty {
-            print("[ScenarioA] Route sizes: \(validRoutes.map { $0.count })")
-        }
-
         if validRoutes.isEmpty {
             return .failure(
                 PlanningFailure(
@@ -136,23 +128,16 @@ final class ScenarioAPlanner: ScenarioPlanner {
             // Build stops for this route
             let stops = buildStops(from: routeGames, stadiums: request.stadiums)
             guard !stops.isEmpty else {
-                print("[ScenarioA] Route \(index + 1) produced no stops, skipping")
                 routesFailed += 1
                 continue
             }
 
-            // Log stop details
-            let stopCities = stops.map { "\($0.city) (coord: \($0.coordinate != nil))" }
-            print("[ScenarioA] Route \(index + 1): \(stops.count) stops - \(stopCities.joined(separator: " → "))")
-
             // Calculate travel segments using shared ItineraryBuilder
             guard let itinerary = ItineraryBuilder.build(
                 stops: stops,
-                constraints: request.drivingConstraints,
-                logPrefix: "[ScenarioA]"
+                constraints: request.drivingConstraints
             ) else {
                 // This route fails driving constraints, skip it
-                print("[ScenarioA] Route \(index + 1) failed driving constraints, skipping")
                 routesFailed += 1
                 continue
             }
@@ -176,8 +161,6 @@ final class ScenarioAPlanner: ScenarioPlanner {
         // If no routes passed all constraints, fail.
         // Otherwise, return all valid options for the user to choose from.
         //
-        print("[ScenarioA] Routes attempted: \(routesAttempted), failed: \(routesFailed), succeeded: \(itineraryOptions.count)")
-
         if itineraryOptions.isEmpty {
             return .failure(
                 PlanningFailure(
@@ -201,7 +184,6 @@ final class ScenarioAPlanner: ScenarioPlanner {
             limit: request.preferences.maxTripOptions
         )
 
-        print("[ScenarioA] Returning \(rankedOptions.count) itinerary options (leisure: \(leisureLevel.rawValue))")
         return .success(rankedOptions)
     }