- Introduced optional keepalive settings: `keepalive_idle` and `keepalive_count` in the Server struct.
- Implemented UI controls for keepalive settings in System Settings, including validation and persistence.
- Added localization support for new keepalive fields in multiple languages.
- Created a manual test tracking plan for verifying keepalive controls and their behavior.
- Updated existing tests to cover new functionality and ensure proper validation of keepalive inputs.
- Ensured safe defaults and fallback behavior for missing or invalid keepalive values.
- Added tests to `proxyhost_service_validation_test.go` to validate fallback parsing and handle invalid hostname characters.
- Introduced new tests for DNS challenge validation in `proxyhost_service_validation_test.go`.
- Updated `current_spec.md` to reflect changes in testing strategy and coverage goals for PR #729.
- Enhanced `Security.functional.test.tsx` to include navigation test for Notifications button.
- Mocked `useNavigate` from `react-router-dom` to verify navigation behavior in Security page tests.
- Added a new documentation file outlining the manual test plan to validate the SMTP mock server flakiness fix, ensuring improved mail test reliability without affecting production behavior.
- Updated the current specification document to reflect the focus on stabilizing flaky SMTP STARTTLS+AUTH unit tests, including detailed research findings and requirements for the implementation.
- Created a QA/Security validation report for the SMTP flaky test fix, confirming that changes are test-only, stable under repeated runs, and do not introduce new security risks.
- Implement tests for feature flags coverage in `feature_flags_coverage_v2_test.go` to validate behavior with invalid persisted and environment values, as well as default settings.
- Create tests in `notification_provider_patch_coverage_test.go` to ensure correct handling of notification provider updates, including blocking type mutations for non-Discord providers.
- Add tests in `security_notifications_patch_coverage_test.go` to verify deprecated headers, handle invalid CIDR warnings, and ensure correct severity handling for security events.
- Introduce migration error handling tests in `routes_coverage_test.go` to ensure graceful handling of migration errors during registration.
- Enhance `cerberus_blockers_test.go` with tests for disabled security event notifications and error handling for dispatch failures.
- Update `router_test.go` to validate notify routing based on feature flags.
- Refactor `mail_service.go` to normalize base URLs for invites, ensuring proper handling of trailing slashes.
- Modify `notification_service_json_test.go` and `notification_service_test.go` to mock Discord validation and improve webhook testing.
- Update `proxyhost_service.go` to enhance hostname validation by parsing URLs.
- Refine `uptime_service.go` to extract ports correctly from URLs, including handling edge cases.
- Enhance frontend tests in `notifications.test.ts` and `Notifications.test.tsx` to ensure correct behavior for Discord notification providers and enforce type constraints.
- Added validation to reject non-discord provider types in create, update, test, and preview operations.
- Updated the notifications form to automatically normalize non-discord types to discord.
- Modified UI to display explicit messaging for deprecated and non-dispatch statuses for non-discord providers.
- Enhanced tests to cover new validation logic and UI changes for provider types.
- Refactored notification provider tests to use Discord webhook URLs.
- Updated frontend forms and API interactions to restrict provider type to Discord.
- Modified translations to reflect the change in supported provider types.
- Enhanced UI to indicate deprecated status for non-Discord providers.
- Adjusted documentation to align with the new provider structure.
