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/TripPlanningEngine.swift

@@ -19,23 +19,9 @@ final class TripPlanningEngine {
     func planItineraries(request: PlanningRequest) -> ItineraryResult {
 
         // Detect scenario and get the appropriate planner
-        let scenario = ScenarioPlannerFactory.classify(request)
         let planner = ScenarioPlannerFactory.planner(for: request)
 
-        print("[TripPlanningEngine] Detected scenario: \(scenario)")
-        print("[TripPlanningEngine] Using planner: \(type(of: planner))")
-
         // Delegate to the scenario planner
-        let result = planner.plan(request: request)
-
-        // Log result
-        switch result {
-        case .success(let options):
-            print("[TripPlanningEngine] Success: \(options.count) itinerary options")
-        case .failure(let failure):
-            print("[TripPlanningEngine] Failure: \(failure.reason)")
-        }
-
-        return result
+        return planner.plan(request: request)
     }
 }