import Foundationimport Testing@testable import CodexBarCore struct ClaudeOAuthRefreshDispositionTests {    @Test    func `invalid grant is terminal`() {        let data = Data(#"{"error":"invalid_grant"}"#.utf8)        #expect(ClaudeOAuthCredentialsStore            .refreshFailureDispositionForTesting(statusCode: 400, data: data) == "terminalInvalidGrant")    }     @Test    func `other error is transient`() {        let data = Data(#"{"error":"invalid_request"}"#.utf8)        #expect(ClaudeOAuthCredentialsStore            .refreshFailureDispositionForTesting(statusCode: 400, data: data) == "transientBackoff")    }     @Test    func `undecodable body is transient`() {        let data = Data("not-json".utf8)        #expect(ClaudeOAuthCredentialsStore            .refreshFailureDispositionForTesting(statusCode: 401, data: data) == "transientBackoff")        #expect(ClaudeOAuthCredentialsStore.extractOAuthErrorCodeForTesting(from: data) == nil)    }     @Test    func `non auth status is not handled`() {        let data = Data(#"{"error":"invalid_grant"}"#.utf8)        #expect(ClaudeOAuthCredentialsStore.refreshFailureDispositionForTesting(statusCode: 500, data: data) == nil)    }}