- Implemented `InvoicingPeriodDraftOverlayTest` with coverage for blocking and permitting invoicing actions based on draft states, transactions, and metadata.
- Created `ReferenceSuggestionsApiTest` to validate ranked and filtered suggestions across bookings, orders, and vehicles with varied match relevance, context, and frequency.
- Added `order_reference_suggestions_service` class, including query methods, normalization utilities, and aggregation logic for reference suggestions.
- Enhanced query handling in `InvoicingPeriodDraftOverlayFakeDb` to validate SQL constraints and column cache resets in overlapping invoicing contexts.
- Added `archived` column and index to `departments` table, ensuring schema initialization via `departments_schema_bootstrap`.
- Updated OpenAPI spec to include `archived` attribute and `filters=archived` query parameter with superuser access control.
- Enhanced `Departments` API to support archived department filtering and retrieval.
- Modified `ApiFixtures`, `departments_o`, and related tests to validate behavior for archived departments.
- Added unit and API tests to ensure correct handling of archived departments and filter enforceability.
- Add branding management feature: API routes, payload handling, and OpenAPI schema updates.
- Implement department branding logic: CRUD operations, validation, and permissions.
- Add order deletion confirmation support with conflict handling and OpenAPI schema updates.
- Enhance tests and API methods for improved order handling and branding workflows.
- Introduced `selfserve_enabled` property for `department_lanes` with schema update, object properties, and associated methods/tests.
- Enhanced `selfserve_wash_flow` and session logic to respect lane self-serve settings, including block handling and task filtering.
- Updated API routes and Studio Graph projections to include `selfserve_enabled` in payloads and progress callbacks.
- Added unit tests for session statuses, lane configuration, and blocking behavior due to disabled self-serve settings.
- Add `DepartmentLaneDynamicImageRouteTest` to verify dynamic image preview handling for studio lanes.
- Introduce `selfserve_machine_signal` class to standardize signal normalization, recording, and gateway signal management workflows.
- Add `selfserve_virtual_hardware` class to handle virtual hardware configurations, including gateway and binding management.
- Enhance structure with auxiliary methods for payload normalization, workspace merging, and validation warnings.
- Add broker-related configuration classes (`broker_url`, `public_broker_url`, `auth_mode`, `shared_secret`) to support edge gateway functionality.
- Enhance `SelfserveRoute` with routes for managing self-serve wash sessions, including session listing, detail retrieval, and forced lane stop.
- Update unit tests to validate new configuration handling, session routes, and OpenAPI endpoint coverage.
- Include default environment variables for broker settings in `docker-compose.example.yml`.
- Introduce `expireTimedOutRelayStatusCommandJobs` to clean up long-pending relay status command jobs.
- Add `TIMED_OUT` status for relay command jobs and incorporate it into job status evaluations.
- Refactor command job finalization to support timeout-specific error messaging.
- Improve handling of fast-path failures in edge broker commands.
Transitioned from obsolete gateway object classes (`edge_gateway_shell_action_jobs_o`, `edge_gateway_shell_events_o`, `edge_gateway_shell_sessions_o`, `edge_gateway_update_jobs_o`) to the new agent implementation (`edge-gateway-agent/agent.php`).