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/POISearchService.swift

@@ -128,7 +128,6 @@ actor POISearchService {
                             limit: limitPerCategory
                         )
                     } catch {
-                        print("[POISearchService] Search failed for \(category): \(error.localizedDescription)")
                         return []
                     }
                 }
@@ -167,7 +166,6 @@ actor POISearchService {
                         // Take top N overall
                         return (stop.city, Array(pois.prefix(limit)))
                     } catch {
-                        print("[POISearchService] Failed for \(stop.city): \(error.localizedDescription)")
                         return (stop.city, [])
                     }
                 }
@@ -208,11 +206,8 @@ actor POISearchService {
         let pois: [POI] = response.mapItems.prefix(limit).compactMap { item in
             guard let name = item.name else { return nil }
 
-            let itemLocation = CLLocation(
-                latitude: item.placemark.coordinate.latitude,
-                longitude: item.placemark.coordinate.longitude
-            )
-            let distance = referenceLocation.distance(from: itemLocation)
+            let itemCoordinate = item.location.coordinate
+            let distance = referenceLocation.distance(from: item.location)
 
             // Only include POIs within radius
             guard distance <= radiusMeters else { return nil }
@@ -221,22 +216,23 @@ actor POISearchService {
                 id: UUID(),
                 name: name,
                 category: category,
-                coordinate: item.placemark.coordinate,
+                coordinate: itemCoordinate,
                 distanceMeters: distance,
-                address: formatAddress(item.placemark)
+                address: formatAddress(item)
             )
         }
 
         return pois
     }
 
-    private func formatAddress(_ placemark: MKPlacemark) -> String? {
+    @available(iOS, deprecated: 26.0, message: "Uses placemark for address formatting")
+    private func formatAddress(_ item: MKMapItem) -> String? {
         var components: [String] = []
 
-        if let subThoroughfare = placemark.subThoroughfare {
+        if let subThoroughfare = item.placemark.subThoroughfare {
             components.append(subThoroughfare)
         }
-        if let thoroughfare = placemark.thoroughfare {
+        if let thoroughfare = item.placemark.thoroughfare {
             components.append(thoroughfare)
         }