jackandClaude Opus 4.5 31be6b83a7 fix(security): improve keychain error handling [BCH-01-009] ...

Add proper error classification to distinguish expected states (item not
found) from critical failures (access denied, storage full) and
recoverable errors (device locked, auth failed).

Changes:
- Add KeychainReadResult and KeychainSaveResult enums with error types
- Add getIdentityKeyWithResult/saveIdentityKeyWithResult protocol methods
- Implement retry logic with exponential backoff for transient errors
- Add consistent SecureLogger logging for all keychain operations
- Update NoiseEncryptionService identity loading to handle errors gracefully
- Update MockKeychain and TrackingMockKeychain with error simulation
- Add comprehensive KeychainErrorHandlingTests (18 new tests)

Security: Applications can now properly detect and respond to critical
keychain failures, improving resilience during device lock states and
providing actionable diagnostics for access issues.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

2026-01-12 10:53:02 -10:00

..

MockBLEBus.swift

Convert the remaining tests to Swift Testing (#781)

2025-10-15 01:04:01 +02:00

MockBLEService.swift

PeerID 31/n: Remove String interop to be explicit (#840)

2025-10-19 20:50:44 +02:00

MockIdentityManager.swift

Add tests for blocking and migration logic

2025-11-26 15:06:53 -10:00

MockKeychain.swift

fix(security): improve keychain error handling [BCH-01-009]

2026-01-12 10:53:02 -10:00

MockTransport.swift

Add ChatViewModel testability and unit tests

2025-11-25 09:20:38 -10:00