fix(logging): crash on release builds in rotation logger

AmplifyPlugins/Logging/Sources/AWSCloudWatchLoggingPlugin/AWSCloudWatchLoggingSession.swift

@@ -43,12 +43,21 @@ final class AWSCloudWatchLoggingSession {
         let directory = try directory(for: category, userIdentifier: userIdentifier)
         try fileManager.createDirectory(at: directory, withIntermediateDirectories: true)
         try (directory as NSURL).setResourceValue(true, forKey: URLResourceKey.isExcludedFromBackupKey)
-        let cacheMaxSizeInBytes = localStoreMaxSizeInMB * 1048576
+
+        // Calculate appropriate file size limit (individual file, not total cache)
+        // Use a reasonable file size limit that's a fraction of the total cache size
+        // Ensure it meets the minimum requirement of 1KB
+        let totalCacheSizeInBytes = localStoreMaxSizeInMB * 1048576
+        let fileSizeLimitInBytes = max(
+            LogRotation.minimumFileSizeLimitInBytes,
+            totalCacheSizeInBytes / LogRotation.fileCountLimit
+        )
+
         return try RotatingLogger(directory: directory,
                                   category: category,
                                   namespace: namespace,
                                   logLevel: logLevel,
-                                  fileSizeLimitInBytes: cacheMaxSizeInBytes)
+                                  fileSizeLimitInBytes: fileSizeLimitInBytes)
     }
 
     private static func directory(for category: String, userIdentifier: String?, fileManager: FileManager = .default) throws -> URL {

AmplifyPlugins/Logging/Sources/AWSCloudWatchLoggingPlugin/Consumer/CloudWatchLoggingStreamNameFormatter.swift

@@ -44,4 +44,11 @@ struct CloudWatchLoggingStreamNameFormatter {
     func formattedStreamName() async -> String {
         return "\(await deviceIdentifier ?? "").\(userIdentifier ?? "guest")"
     }
+
+    // Add the missing deviceIdentifierFromBundle static method
+    private static func deviceIdentifierFromBundle() -> String? {
+        // Use bundle identifier as a fallback device identifier
+        // This provides a consistent identifier per app installation
+        return Bundle.main.bundleIdentifier
+    }
 }

AmplifyPlugins/Logging/Sources/AWSCloudWatchLoggingPlugin/Persistence/LogRotation.swift

@@ -17,12 +17,13 @@ final class LogRotation {
     }
 
     static let minimumFileSizeLimitInBytes = 1024 /* 1KB */
+    static let fileCountLimit: Int = 5
 
     /// The name pattern of files managed by `LogRotation`.
     private static let filePattern = #"amplify[.]([0-9])[.]log"#
 
     let directory: URL
-    let fileCountLimit: Int = 5
+
     let fileSizeLimitInBytes: UInt64
 
     private(set) var currentLogFile: LogFile {
@@ -40,7 +41,7 @@ final class LogRotation {
         self.directory = directory.absoluteURL
         self.fileSizeLimitInBytes = UInt64(fileSizeLimitInBytes)
         self.currentLogFile = try Self.selectNextLogFile(from: self.directory,
-                                                         fileCountLimit: fileCountLimit,
+                                                         fileCountLimit: Self.fileCountLimit,
                                                          fileSizeLimitInBytes: self.fileSizeLimitInBytes)
     }
 
@@ -55,7 +56,7 @@ final class LogRotation {
     /// 3. If no files matching #1 are present, the file with the oldest last modified date is cleared and selected.
     func rotate() throws {
         self.currentLogFile = try Self.selectNextLogFile(from: self.directory,
-                                                         fileCountLimit: self.fileCountLimit,
+                                                         fileCountLimit: Self.fileCountLimit,
                                                          fileSizeLimitInBytes: self.fileSizeLimitInBytes)
     }