WIP: map route updates and custom item drag/drop fixes (broken)

- Fixed map header not updating in ItineraryTableViewWrapper using Coordinator pattern
- Added routeVersion UUID to force Map re-render when routes change
- Fixed determineAnchor to scan backwards for correct anchor context
- Added location support to CustomItineraryItem (lat/lng/address)
- Added MapKit place search to AddItemSheet
- Added extensive debug logging for route waypoint calculation

Known issues:
- Custom items still not routing correctly after drag/drop
- Anchor type determination may still have bugs

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

SportsTime/Core/Models/CloudKit/CKModels.swift

@@ -638,6 +638,10 @@ struct CKCustomItineraryItem {
     static let sortOrderKey = "sortOrder"
     static let createdAtKey = "createdAt"
     static let modifiedAtKey = "modifiedAt"
+    // Location fields for mappable items
+    static let latitudeKey = "latitude"
+    static let longitudeKey = "longitude"
+    static let addressKey = "address"
 
     let record: CKRecord
 
@@ -660,6 +664,10 @@ struct CKCustomItineraryItem {
         record[CKCustomItineraryItem.sortOrderKey] = item.sortOrder
         record[CKCustomItineraryItem.createdAtKey] = item.createdAt
         record[CKCustomItineraryItem.modifiedAtKey] = item.modifiedAt
+        // Location fields (nil values are not stored in CloudKit)
+        record[CKCustomItineraryItem.latitudeKey] = item.latitude
+        record[CKCustomItineraryItem.longitudeKey] = item.longitude
+        record[CKCustomItineraryItem.addressKey] = item.address
         self.record = record
     }
 
@@ -681,6 +689,11 @@ struct CKCustomItineraryItem {
         let anchorId = record[CKCustomItineraryItem.anchorIdKey] as? String
         let sortOrder = record[CKCustomItineraryItem.sortOrderKey] as? Int ?? 0
 
+        // Location fields (optional - nil if not stored)
+        let latitude = record[CKCustomItineraryItem.latitudeKey] as? Double
+        let longitude = record[CKCustomItineraryItem.longitudeKey] as? Double
+        let address = record[CKCustomItineraryItem.addressKey] as? String
+
         return CustomItineraryItem(
             id: itemId,
             tripId: tripId,
@@ -691,7 +704,10 @@ struct CKCustomItineraryItem {
             anchorDay: anchorDay,
             sortOrder: sortOrder,
             createdAt: createdAt,
-            modifiedAt: modifiedAt
+            modifiedAt: modifiedAt,
+            latitude: latitude,
+            longitude: longitude,
+            address: address
         )
     }
 }