[iOS & Android] iOS 1.2.5 & Android 1.7.4 [Sync] Sync 1.1.0

ios/OpenClimb/Models/BackupFormat.swift

@@ -6,6 +6,12 @@ import Foundation
 // MARK: - Backup Format Specification v2.0
 
 /// Root structure for OpenClimb backup data
+struct DeletedItem: Codable, Hashable {
+    let id: String
+    let type: String  // "gym", "problem", "session", "attempt"
+    let deletedAt: String
+}
+
 struct ClimbDataBackup: Codable {
     let exportedAt: String
     let version: String
@@ -14,6 +20,7 @@ struct ClimbDataBackup: Codable {
     let problems: [BackupProblem]
     let sessions: [BackupClimbSession]
     let attempts: [BackupAttempt]
+    let deletedItems: [DeletedItem]
 
     init(
         exportedAt: String,
@@ -22,7 +29,8 @@ struct ClimbDataBackup: Codable {
         gyms: [BackupGym],
         problems: [BackupProblem],
         sessions: [BackupClimbSession],
-        attempts: [BackupAttempt]
+        attempts: [BackupAttempt],
+        deletedItems: [DeletedItem] = []
     ) {
         self.exportedAt = exportedAt
         self.version = version
@@ -31,6 +39,7 @@ struct ClimbDataBackup: Codable {
         self.problems = problems
         self.sessions = sessions
         self.attempts = attempts
+        self.deletedItems = deletedItems
     }
 }
 
@@ -389,10 +398,10 @@ 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
         }