* Resolves workflow execution bodiless requests issue.
Removed content length check when processing JSON requests, relying solely on content type validation. Added a null-check for deserialized requests to handle cases where the request body is missing or invalid, providing a specific error message.
* Refactor JSON request handling in PostEndpoint
Updated to get unit tests to pass.
- Use `CancellationToken.None` to avoid canceling workflow execution when clients, like Blazor, terminate requests prematurely.
- Add comments for clarification on potential causes.
- Introduced `async` parameter to enable asynchronous workflow resumption.
- Refactored `ResumeBookmarkedWorkflowAsync` to handle both synchronous and asynchronous resumption via `IWorkflowResumer` and `IBookmarkQueue`.
- Updated dependency injection to include `IWorkflowResumer`.
* Introduce `IWorkflowResumer` and `ActivityInputEvaluatorContext`, refactor endpoint handling, extend logging, and improve bookmark queue processing.
* Remove deprecated WorkflowContexts module and optimize project.
Deleted the Elsa.Studio.WorkflowContexts module and references from solution files. Corrected minor errors in remaining code and updated project configurations to align with the new structure.```
* Update GitHub workflows to track `develop/3.6.0` branch instead of `patch/3.5.1`.
* Fix inconsistent formatting in `InputDescriptor` constructor and properties.
* Add XML documentation for `DictionaryValueEvaluator` in `UIHints/Dictionary` module
* Refactor `DictionaryValueEvaluator` to improve readability and simplify dictionary evaluation logic.
* Refactor workflow execution endpoints and introduce helper utility
Replaced `EndpointBase` class with lighter `WorkflowExecutionHelper` for handling workflow execution logic. Simplified Get & Post endpoints and added comprehensive component tests for enhanced validation.
* Update GetTests to expect NotFound instead of BadRequest
- Updated `Directory.Packages.props` with new package versions, including `ElsaStudioVersion`, `MicrosoftVersion`, and others.
- Changed `System.Formats.Asn1` version in `_build.csproj`.
- Re-factored `Endpoint.cs` to use new `Send` methods for updated FastEndpoints packages.
Fixed code indentation in WorkflowStateExtractor, adjusted output handling in LocalWorkflowClient, and replaced project references in Elsa.Api and Elsa.Http. Reactivated JavaScript engine configuration in Elsa.Server.Web for enhanced script execution capabilities.
Eliminated the TestRun endpoint and related functionality from the API. Enhanced activity execution by leveraging pre-serialized snapshots and refactored mapping operations to use asynchronous methods. Also updated package versions to align with the latest dependencies.
* Adds activity test-run endpoint
Adds an API endpoint to facilitate testing of individual activities within a workflow.
The endpoint allows developers to execute a specific activity within a given workflow definition.
Also ensures latest workflow definition is marked when publishing.
* Enables activity test run to return results
Updates the activity test run endpoint to return activity execution results such as outputs, outcomes, exceptions, and status.
This allows users to inspect the results of test runs for activities, providing valuable insights into their behavior.
* Add activity testing API integration and activity test UI support
Introduced `ITestsApi` and supporting models for activity testing in workflows. Updated the UI to support triggering and displaying activity test results, including handling outcomes, outputs, exceptions, and status. Additionally, updated dependency injection for the new API and adjusted the project references.
* Refactor workflow test endpoints and update method parameters
Updated the namespace and route for activity test endpoints from `TestRun` to `Tests/Activities`. Adjusted default parameter values in `WorkflowDefinitionHandle` method for improved consistency.
* Introduce `ActivityTestRunner` to streamline activity testing
Adds a new `IActivityTestRunner` interface and its implementation, simplifying the execution of individual workflow activities for testing purposes. Updates dependencies and refactors activity test endpoints to use the new service.
* Update `ActivityTestRunner` to support variable test values
Enhanced the `ActivityTestRunner` to include functionality for injecting test-specific variable values when executing workflow activities. Added a helper method `GetVariableTestValues` to retrieve and deserialize test variable data from custom properties.
* Update `Tests/Activities` endpoint to include `ActivityState`
Refactored the response model to replace `Outcomes` with `ActivityState` and `Payload`, ensuring more detailed activity execution results.
* Add draft saving and saved notifications for workflow definitions
* Add draft saving notification handling in cache evictions
Integrates handling for `WorkflowDefinitionDraftSaving` and `WorkflowDefinitionDraftSaved` events within the workflow cache eviction service, ensuring definitions are properly evicted.
* Refactor `ConfigureLiquidEngine` to simplify variable enumeration logic
* Remove redundant `<returns>` tag from `ByDefinitionVersionId` method XML documentation
* Refactor `Tests/Activities` endpoint documentation and constructor
Updated XML documentation to clarify endpoint responsibilities and adjusted constructor by removing an unused dependency (`IIdentityGenerator`).
Updates the activity test run endpoint to return activity execution results such as outputs, outcomes, exceptions, and status.
This allows users to inspect the results of test runs for activities, providing valuable insights into their behavior.
Adds an API endpoint to facilitate testing of individual activities within a workflow.
The endpoint allows developers to execute a specific activity within a given workflow definition.
Also ensures latest workflow definition is marked when publishing.
Eliminated the `Elsa.Labels`, `Elsa.Environments`, and `Elsa.OpenTelemetry` modules along with their handlers, contracts, models, and related functionality. This cleanup improves maintainability and aligns the codebase with recent architectural changes.
* Update default initializations and input parameters to `null`
Replaced `default!` with explicit `null` for input parameters and properties throughout various classes. Adjusted constructors' default values for consistency and readability. This change ensures better clarity and alignment with nullable reference types.
* Add Polly-based resilience integration for retry tracking
Introduce Polly diagnostics to log retry events in the execution context. Updated resilience strategy interfaces and implementations to support Polly's context and retry event tracking.
* Refactor resilience and retry handling, add flaky endpoint.
Removed custom Polly-based diagnostic listeners and observers in favor of a transient status code utility class. Introduced a mock "flaky" endpoint for testing failure scenarios and updated configuration for resilience strategies. Minor namespace fixes
* Add retry attempt recording to resilience feature
Introduce `IRetryAttemptRecorder` and its implementations to enable recording of retry attempts during activity execution. Updated `ResilientActivityInvoker` to persist retry attempts and modified `ResilienceFeature` to support configurable retry attempt recorders.
* Add retry attempt tracking and retrieval functionality
Introduced mechanisms to track and fetch retry attempts, including new interfaces, reader implementations, API endpoints, and related models. These enhancements improve resilience tracking and data access for activity execution across workflows.
* Add GetOutcome method to RetryAttempt model
Introduce a GetOutcome method to encapsulate logic for determining the retry attempt's outcome. It prioritizes the Result, falls back to the Exception message, or defaults to "Unknown" if neither is available. This improves clarity and reusability of the outcome evaluation.
* Add scoped registration for _retryAttemptReader
This change ensures that _retryAttemptReader is registered in the DI container as a scoped service.
* Refactor retry mechanism to support detailed retry metadata
Introduced a `CollectRetryDetails` method to `IResilientActivity` for enhanced retry data collection. Updated `RetryAttemptRecord` to include a `Details` dictionary for capturing metadata, replacing previous `Result` and `Exception` fields. These changes simplify the retry recording process and improve extensibility for tracking retry details across activities.
* Add support for capturing background activity properties
Introduced functionality to capture and persist background activity properties during workflow execution. This includes defining a key for properties, capturing them in middleware, and storing them in the workflow execution context. These changes ensure properties are handled consistently alongside other activity data.
* Add support for storing and propagating activity execution properties
Introduced a `Properties` dictionary to track additional metadata in activity execution records and stats, enabling richer diagnostics and tracing. Refactored resilience logic to improve retry handling and propagate retry-related flags in workflows. Enhanced database queries to map serialized properties for execution summaries.
* Add retry propagation for background activity execution
Introduced a mechanism to propagate the retry-attempted flag across activity execution contexts. Added a new notification `BackgroundActivityExecutionCompleted` and updated related middleware to send this notification. Enhanced resilience features to handle and propagate retry state effectively.
* Refactor default parameters and values to use 'null'.
Replaced 'default' with 'null' for optional parameters and values in `AddExecutionLogEntry`, improving clarity and ensuring semantic consistency with nullable types. No functional changes were introduced.
* Refactor flaky endpoint and enhance resilience support.
Replaced the "Flaky" endpoint with a more robust "SimulateResponseEndpoint" under a new module. Introduced a status code lookup utility and improved resilience strategies with configurable backoff types. Updated serialization to support enum conversions and enhanced caching behavior for response simulation.
* Update activity execution models with nullable properties
Replaced `default!` initializations with `null!` to ensure correct handling of nullable string properties in `ActivityExecutionRecord`. Added a new `Properties` dictionary to `ActivityExecutionRecordSummary` to store additional activity execution data. This enhances model flexibility and data extensibility.
* Add support for recording resilience strategy in context
Introduced a new method to store resilience strategy details in the activity execution context for enhanced diagnostics. Updated `ResilientActivityInvoker` to serialize and set the resilience strategy using this method, leveraging `JsonSerializer`.
* Remove redundant PropertyNamingPolicy assignment
The PropertyNamingPolicy was set to the default value (CamelCase), making the assignment unnecessary. This change simplifies the code while maintaining existing functionality.
* Set JSON property naming policy to camelCase
Updated JSON serialization settings to use camelCase naming for property names. This improves consistency with standard JSON naming conventions and ensures compatibility with camelCase-based APIs.
* Remove unused Endpoints folder reference from project file
The Endpoints folder reference in the project file was unnecessary and has been removed. This cleanup helps maintain a tidy and accurate project structure.
* Remove unused RetryAttemptFilter and add Polly packages
Removed the obsolete RetryAttemptFilter class as it was no longer in use. Added Polly and Polly.Extensions packages to the project to support resilience and fault-handling strategies. This update aligns with keeping dependencies relevant and reducing unused artifacts.
* Add resilience integration test for FlowSendHttpRequest (#6692)
* Refactor and fix resilience test cases for clarity and accuracy
Simplified imports, adjusted code structure, and corrected attempt indexing logic in resilience tests. These changes improve readability, maintainability, and ensure accurate validation of retry attempts in test scenarios.
* Remove obsolete properties and refactor activity evaluation
Refactored activity input and log persistence property evaluation using improved notification handlers. Removed redundant `ActivityState` property and associated serialization logic, ensuring payloads are only serialized when necessary. All changes streamline workflow processing and enhance maintainability.
* Refactor mediator call to inline cancellation token.
Replaced the separate variable for the cancellation token with an inline reference for clarity and reduced redundancy. This simplifies the code without altering functionality.
* Refactor bookmark management and add new features
Streamlined bookmark handling by eliminating temporary storage in `ActivityExecutionContext` and directly managing bookmarks in `WorkflowExecutionContext`. Documented architectural decisions using ADRs.
* Regenerate EF Core migrations
* Refactor fault tracking to use AggregatedFaultCount property.
Replaces FaultCount with AggregatedFaultCount across the codebase to improve clarity and consistency in fault tracking. Updates related methods, properties, and data mappings to align with the new terminology. Fixes initialization issue with nullable inputs in Fault class.
* Add migration to track fault counts in runtime (V3.5)
This migration adds a new column, "AggregatedFaultCount," to the "ActivityExecutionRecords" table. The column is an integer, non-nullable, with a default value of 0, and enables tracking aggregated fault occurrences. The migration also includes a rollback to remove this column if needed.
* Fix typo in ADR 0004 regarding bookmark management convention
Corrected a spelling mistake in the ADR documentation by changing "determins" to "determines." This ensures clarity and maintains the professionalism of the document. No functional changes were made.
* Refine fault propagation logic for child-parent activities
Replace automatic fault transitions of parent activities with an aggregate fault count for descendant activities. This avoids premature state changes while still indicating child activity faults, improving workflow resilience and accuracy.
* Remove signal-driven fault propagation ADR and renumber bookmarks ADR
The ADR for signal-driven fault propagation was deleted, and the direct bookmark management ADR was renamed and renumbered accordingly. Related references in the table of contents, graph, and solution file were updated to reflect these changes.
* Refactor DeleteBookmarks to improve readability.
Reformatted the BookmarkFilter initialization for better clarity and maintainability. This change ensures the code is more aligned with modern C# conventions and improves overall readability. No behavior or functionality has been altered.
* Refactor naming for "AggregatedFaultCount" to "AggregateFaultCount"
Standardized the terminology across the codebase and migrations by renaming all references of "AggregatedFaultCount" to "AggregateFaultCount" for improved consistency and readability. Updated relevant logic, models, migrations, and database contexts accordingly.
* Add asynchronous stimulus dispatching to workflow runtime
Introduced the BackgroundStimulusDispatcher and related components to enable asynchronous stimulus dispatching. Updated event publishing logic to support both synchronous and asynchronous delivery. These changes improve extensibility and allow better performance for handling workflow stimuli.
* Update event publishing to include isAsync parameter
Added a boolean parameter to differentiate between asynchronous and synchronous event publishing. Ensured correct value is passed based on workflow execution mode, improving clarity and functionality. Removed outdated TODO comment.
* Fix default value for Asynchronous and add activity type helper
Set the default value of the Asynchronous input property to `true` in `PublishEvent`. Additionally, utilize `ActivityTypeNameHelper` in `EventPublisher` to generate activity type names for improved consistency and clarity.
* Remove unused import from EventPublisher.cs
Eliminated the unnecessary import of Elsa.Workflows.Runtime.Requests. This cleanup helps reduce code clutter and improves maintainability.
* Set default value for Asynchronous property and update Payload.
Added a default value of `true` for the `Asynchronous` property to ensure consistency in event delivery behavior. Also, removed the unnecessary default value from the `Payload` property description for clarity.
* Simplify XML doc comment in IStimulusDispatcher interface
Refined the XML documentation for the `SendAsync` method by shortening the description and clarifying the statement. This improves readability and maintains the intent of the comment.
* Add MassTransit stimulus dispatching functionality
Introduced `DispatchStimulusRequestConsumer` and associated consumer definitions to enable stimulus dispatching. Added `MassTransitStimulusDispatcher` service and related options for configuring concurrency and endpoint behavior. Updated `MassTransitWorkflowDispatcherFeature` to register the stimulus dispatcher and allow enhanced dispatch configuration.
* Refactor stimulus dispatching to use a serialized message.
Introduced `DispatchStimulus` to encapsulate serialized requests. Updated dispatch logic to utilize `IPayloadSerializer` for serialization and deserialization, enabling message transport in a lightweight format.
* Remove Asynchronous input property from PublishEvent activity
The Asynchronous input property was removed as it was unnecessary, with a hardcoded `true` value now passed directly to the event publisher. This simplifies the code and ensures consistency in how events are published.
* Remove ProtoStringExtensions and consolidate string utilities.
Moved `EmptyIfNull` and `NullIfEmpty` methods to the existing `StringExtensions` class in `Elsa.Workflows.Core` for centralization. Updated references to use the consolidated extension methods. Deleted `ProtoStringExtensions` as it is now redundant.
* Add missing imports for Elsa.Extensions across mappers
Added `using Elsa.Extensions` to multiple mapper files in the runtime module. This ensures consistent access to shared extension methods, improving code clarity and reducing potential errors.
* Add missing Elsa.Extensions namespace to WorkflowInstance
The `using Elsa.Extensions` directive was added to ensure access to required extensions. This resolves potential issues with missing dependencies or functionality in the `WorkflowInstance` class.
* Refactor bookmark naming to use "Name" instead of "ActivityTypeName".
Replaces usages of "ActivityTypeName" with "Name" across relevant classes, filters, and database mappings for clarity and consistency. Maintains backward compatibility where necessary and updates corresponding indices, filters, and methods for proper functionality.
* Add migration for V3_5 with schema updates for EF Core
This migration modifies the `Triggers` and `Bookmarks` tables by adding the `Name` column, updating its nullable state, and creating corresponding indexes. Changes apply to both SQLite and MySQL contexts, ensuring compatibility across databases.
* Refactor bookmark filtering and tenant events handling.
Unified the bookmark filtering logic with overloads that accept multiple names, improving flexibility and reusability. Simplified object initializations in tenant events to enhance code readability and reduce verbosity. Added task continuation logic to background task execution for better task sequencing and error handling.
* Refactor bookmark creation to use target-typed `new` expressions.
Replaces explicit `CreateBookmarkArgs` instantiations with concise target-typed `new` expressions for improved readability and reduced redundancy. This does not alter functionality but simplifies the code structure.
* Make callback parameters optional and adjust OTEL settings
Updated methods to allow optional callbacks for improved flexibility. Refactored Delay activity to reuse helper methods. Adjusted OTEL instrumentation settings to enable console exporter and disable manual instrumentation.
* Refactor stimulus handling and streamline event workflows.
Introduces `WaitForEvent` and `GetEventInput` extensions to improve ActivityExecutionContext usability. Replaces generic filter methods with targeted single-name filtering, simplifying scheduling logic. Updates stimulus names for consistency and deprecates obsolete methods to enhance clarity and maintainability.
* Refactor `Event` activity handling and event stimulus logic.
Replaces inline event stimulus creation with a new `GetEventStimulus` helper method for cleaner code. Simplifies event execution handling by removing redundant logic in `ExecuteAsync`. Extends `WaitForEvent` to handle workflow triggers more efficiently.
* Refactor and enhance Timer and Delay execution logic
Introduced `TimerBase` for shared timer functionality and refactored `Timer` to extend it. Improved method names for clarity, replacing `ResumeIn`/`ResumeAt` with `DelayFor`/`DelayUntil`. Enhanced flexibility in bookmark handling and activity execution context extensions.
* Add custom activities and refactor HTTP stimulus handling
Introduce new custom activities (CustomDelay, CustomEvent, CustomHttpEndpoint, CustomTimer) to enhance workflow functionality. Refactor HTTP stimulus handling by replacing activity type names with a new centralized HttpStimulusNames constant, improving consistency and maintainability. Additionally, streamline HTTP endpoint logic with new helper extensions and simplify related services to reduce redundancy.
* Add HttpEndpointBase abstraction to simplify HTTP endpoints
Introduce a new `HttpEndpointBase` class to centralize common logic for HTTP endpoint activities. Refactored `CustomHttpEndpoint` to inherit from this new base class, reducing redundancy and improving maintainability.
* Refactor events framework with base class for event activities
Introduce `EventBase` to streamline implementations of event-driven activities. Updated `CustomEvent` to inherit from `EventBase`, reducing duplicate logic and improving maintainability. Removed unnecessary dependencies in `CustomTimer`.
* Refactor bookmark creation to use target-typed `new` expressions.
Replaces explicit `CreateBookmarkArgs` instantiations with concise target-typed `new` expressions for improved readability and reduced redundancy. This does not alter functionality but simplifies the code structure.
Make callback parameters optional and adjust OTEL settings
Updated methods to allow optional callbacks for improved flexibility. Refactored Delay activity to reuse helper methods. Adjusted OTEL instrumentation settings to enable console exporter and disable manual instrumentation.
Refactor stimulus handling and streamline event workflows.
Introduces `WaitForEvent` and `GetEventInput` extensions to improve ActivityExecutionContext usability. Replaces generic filter methods with targeted single-name filtering, simplifying scheduling logic. Updates stimulus names for consistency and deprecates obsolete methods to enhance clarity and maintainability.
Refactor `Event` activity handling and event stimulus logic.
Replaces inline event stimulus creation with a new `GetEventStimulus` helper method for cleaner code. Simplifies event execution handling by removing redundant logic in `ExecuteAsync`. Extends `WaitForEvent` to handle workflow triggers more efficiently.
Refactor and enhance Timer and Delay execution logic
Introduced `TimerBase` for shared timer functionality and refactored `Timer` to extend it. Improved method names for clarity, replacing `ResumeIn`/`ResumeAt` with `DelayFor`/`DelayUntil`. Enhanced flexibility in bookmark handling and activity execution context extensions.
Add custom activities and refactor HTTP stimulus handling
Introduce new custom activities (CustomDelay, CustomEvent, CustomHttpEndpoint, CustomTimer) to enhance workflow functionality. Refactor HTTP stimulus handling by replacing activity type names with a new centralized HttpStimulusNames constant, improving consistency and maintainability. Additionally, streamline HTTP endpoint logic with new helper extensions and simplify related services to reduce redundancy.
Add HttpEndpointBase abstraction to simplify HTTP endpoints
Introduce a new `HttpEndpointBase` class to centralize common logic for HTTP endpoint activities. Refactored `CustomHttpEndpoint` to inherit from this new base class, reducing redundancy and improving maintainability.
Refactor events framework with base class for event activities
Introduce `EventBase` to streamline implementations of event-driven activities. Updated `CustomEvent` to inherit from `EventBase`, reducing duplicate logic and improving maintainability. Removed unnecessary dependencies in `CustomTimer`.
* Move HttpEndpointOptions model to its own file
The HttpEndpointOptions class was moved from an extension file to its own dedicated file for better organization and modularity. This model defines HTTP endpoint properties such as path, methods, authorization, policies, request timeout, and size limit. The change improves code clarity and structure.
* Fix unnecessary whitespace in Timer.cs
Removed an extra whitespace line in the Timer.cs file to maintain code formatting consistency. No functional changes were made to the code.
* Remove extraneous whitespace in IStimulusSender.cs file
Eliminate unnecessary blank line in the IStimulusSender interface for improved code cleanliness. This change enhances readability and aligns with coding standards.
Introduce the ability to pass variables into workflow invocations. Updates include adding variables to workflow execution options, requests, and scheduling logic. This enhancement allows dynamic variable management during workflow execution and instance creation.
Refactor the bulk delete endpoint to include a new primary route while deprecating the old one. Expand the request model to support workflow definition filters and adjust response instantiation for clarity. Update obsolete API route prefix guidance for consistency across modules.
This update introduces a `Name` property to workflow execution requests, allowing workflows to be named when started. The changes ensure the `Name` is propagated through the relevant services and endpoints, improving tracking and identification of workflow instances.
This commit introduces migration files for multiple database providers (MySQL, SQL Server, PostgreSQL, SQLite, and Oracle) to support schema changes for version 3.4. The migrations primarily involve mapping entity schemas, indexes, and table structures for consistency across all supported database systems.
Replaced mediator requests and commands with direct store interactions in the workflow management module. Simplified service dependencies, eliminating unnecessary handlers and requests, and streamlined workflow-related operations for better maintainability and performance.
Implemented `NewAsync` method in `IWorkflowDefinitionPublisher` for asynchronous workflow creation. Added content item-based workflow definition management, including publishing, retracting, and draft management. Updated workflows API and integrated serialization improvements for better content handling.
Replaced individual parameters with WorkflowDefinitionHandle in workflow-related methods and requests to centralize and simplify logic. Updated related services, models, and handlers to align with this new structure, improving code maintainability and consistency.
Updated null checks for job types in Hangfire extensions to prevent potential runtime errors. Added Hangfire's `AutomaticRetry` attribute to RunWorkflowJob and ResumeWorkflowJob to configure retry behavior. Simplified object initialization in WorkflowDefinitions List endpoint.
Introduced logic to handle type aliases more accurately for arrays and collections. Enhanced the final type alias determination by accommodating cases where type aliases are present. Cleaned up unnecessary whitespace for better code readability.
Enhanced type handling by distinguishing arrays, collections, and single types. Added support for "isCollection" metadata and adjusted serialization/deserialization logic to ensure accurate mapping of element types and aliases. This improves clarity and flexibility in JSON representation.
Standardized commit strategy descriptors across workflows and activities by introducing a shared `CommitStrategyDescriptor` model. Updated API endpoints and conversion logic to adopt this unified approach, improving consistency and reusability. Implemented new interfaces in the client API for listing commit strategies.
Introduced two API endpoints to list activity and workflow commit strategy registrations. Updated the project file to include the new directory structure for the endpoints. These endpoints provide unified responses from the respective registry implementations.
Replaces direct strategy registration with metadata-based registrations, introducing `ObjectRegistration`, `CommitStrategyMetadata`, and associated helpers. Updates existing strategies and APIs to use the new metadata-driven approach, improving extensibility and maintainability.
Updated the object initialization syntax for cleaner code and removed an unused import in WorkflowValidator.cs to improve code readability and maintainability.
Reorganized workflow handling to enhance clarity and maintainability, including introducing dedicated request handlers, refactoring middleware, and improving definition publishing. Deprecated `ValidateWorkflowResponse` and updated relevant namespaces for notifications handlers.
Simplified route normalization logic by removing unnecessary lowercase conversion and adjusted usages accordingly. These changes improve code readability, maintain consistency and fixes that route values are stored lower-cased instead of original-cased.
Previously, the code incorrectly used `MakeCollectionType` for arrays. This has been corrected to use `MakeArrayType`, ensuring proper deserialization of array arguments.
Replaced asynchronous instance creation methods with streamlined synchronous alternatives where applicable. Introduced `CreateAndCommitWorkflowInstanceAsync` for combined instantiation and persistence, along with a separate `CreateWorkflowInstance` method for non-committal instantiation. Refactored related code to improve readability, maintainability, and runtime performance.