[iOS & Android] iOS 1.2.3 and Android 1.7.2

ios/OpenClimb/Models/BackupFormat.swift

@@ -336,6 +336,7 @@ struct BackupAttempt: Codable {
     let restTime: Int64?  // Rest time in seconds
     let timestamp: String
     let createdAt: String
+    let updatedAt: String?
 
     /// Initialize from native iOS Attempt model
     init(from attempt: Attempt) {
@@ -352,6 +353,7 @@ struct BackupAttempt: Codable {
         formatter.formatOptions = [.withInternetDateTime, .withFractionalSeconds]
         self.timestamp = formatter.string(from: attempt.timestamp)
         self.createdAt = formatter.string(from: attempt.createdAt)
+        self.updatedAt = formatter.string(from: attempt.updatedAt)
     }
 
     /// Initialize with explicit parameters for import
@@ -365,7 +367,8 @@ struct BackupAttempt: Codable {
         duration: Int64?,
         restTime: Int64?,
         timestamp: String,
-        createdAt: String
+        createdAt: String,
+        updatedAt: String?
     ) {
         self.id = id
         self.sessionId = sessionId
@@ -377,6 +380,7 @@ struct BackupAttempt: Codable {
         self.restTime = restTime
         self.timestamp = timestamp
         self.createdAt = createdAt
+        self.updatedAt = updatedAt
     }
 
     /// Convert to native iOS Attempt model
@@ -385,13 +389,15 @@ struct BackupAttempt: Codable {
         formatter.formatOptions = [.withInternetDateTime, .withFractionalSeconds]
 
         guard let uuid = UUID(uuidString: id),
-            let sessionUuid = UUID(uuidString: sessionId),
-            let problemUuid = UUID(uuidString: problemId),
-            let timestampDate = formatter.date(from: timestamp),
-            let createdDate = formatter.date(from: createdAt)
+              let sessionUuid = UUID(uuidString: sessionId),
+              let problemUuid = UUID(uuidString: problemId),
+              let timestampDate = formatter.date(from: timestamp),
+              let createdDate = formatter.date(from: createdAt)
         else {
             throw BackupError.invalidDateFormat
         }
+        let updatedDateParsed = updatedAt.flatMap { formatter.date(from: $0) }
+        let updatedDate = updatedDateParsed ?? createdDate
 
         let durationValue = duration.map { Int($0) }
         let restTimeValue = restTime.map { Int($0) }
@@ -406,7 +412,8 @@ struct BackupAttempt: Codable {
             duration: durationValue,
             restTime: restTimeValue,
             timestamp: timestampDate,
-            createdAt: createdDate
+            createdAt: createdDate,
+            updatedAt: updatedDate
         )
     }
 }