import Foundation #if DEBUGextension ClaudeOAuthCredentialsStore {    final class ClaudeKeychainOverrideStore: @unchecked Sendable {        var data: Data?        var fingerprint: ClaudeKeychainFingerprint?         init(data: Data? = nil, fingerprint: ClaudeKeychainFingerprint? = nil) {            self.data = data            self.fingerprint = fingerprint        }    }     @TaskLocal static var taskClaudeKeychainOverrideStore: ClaudeKeychainOverrideStore?     static func withMutableClaudeKeychainOverrideStoreForTesting<T>(        _ store: ClaudeKeychainOverrideStore?,        operation: () throws -> T) rethrows -> T    {        try self.$taskClaudeKeychainOverrideStore.withValue(store) {            try operation()        }    }     static func withMutableClaudeKeychainOverrideStoreForTesting<T>(        _ store: ClaudeKeychainOverrideStore?,        operation: () async throws -> T) async rethrows -> T    {        try await self.$taskClaudeKeychainOverrideStore.withValue(store) {            try await operation()        }    }}#endif