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Author SHA1 Message Date
Sienna Meridian Satterwhite
8b946e86e3 feat(wfe): add WorkflowHost, registry, sync runner, and purger 
WorkflowHost orchestrates the engine: background workflow and event
consumers, start/stop lifecycle, workflow CRUD, event publishing.
WorkflowHostBuilder (owned-self, returns Result).

InMemoryWorkflowRegistry with version support. SyncWorkflowRunner
for testing. WorkflowPurger stub.

Event consumer acquires distributed locks before modifying workflows
to prevent lost updates from concurrent event processing.
 2026-03-25 20:11:06 +00:00
Sienna Meridian Satterwhite
a61e68d2a9 feat(wfe-core): add workflow executor with result processing and error handling 
WorkflowExecutor: acquire lock, load instance, run steps, process
results, persist, release lock. StepRegistry for resolving step types.

ResultProcessor handles: next, outcome, persist, branch, sleep,
wait_for_event, poll_endpoint. ErrorHandler implements Retry (with
max_retries), Suspend, Terminate, and Compensate behaviors.
 2026-03-25 20:10:45 +00:00
Sienna Meridian Satterwhite
456c3c5b2e feat(wfe-core): add fluent workflow builder API 
Owned-self builder pattern (no lifetime parameters). WorkflowBuilder
chains start_with/then/end_workflow to produce WorkflowDefinition.

StepBuilder supports: name, id, on_error, compensate_with, then,
then_fn, wait_for, delay, if_do, while_do, for_each, saga, parallel.

ParallelBuilder for branching with join semantics. InlineStep for
closure-based steps. Step config stored on WorkflowStep.step_config.
 2026-03-25 20:10:33 +00:00
Sienna Meridian Satterwhite
d0a3f0e185 feat(wfe-core): add step primitives for workflow control flow 
12 step primitives implementing StepBody: DecideStep, IfStep, WhileStep,
ForEachStep, SequenceStep, DelayStep, WaitForStep, ScheduleStep,
RecurStep, PollEndpointStep, SagaContainerStep, EndStep.

Each primitive handles its state machine via persistence_data and
branch creation for container steps.
 2026-03-25 20:10:03 +00:00
Sienna Meridian Satterwhite
eea8bdb824 feat(wfe-core): add test support with in-memory providers and test suites 
InMemoryPersistenceProvider, InMemoryLockProvider, InMemoryQueueProvider,
InMemoryLifecyclePublisher behind test-support feature flag.

Shared test suite macros: persistence_suite!, lock_suite!, queue_suite!
that run the same tests against any provider implementation.
 2026-03-25 20:09:17 +00:00
Sienna Meridian Satterwhite
d87d888787 feat(wfe-core): add models, traits, and error types 
Core domain models: WorkflowInstance, ExecutionPointer, WorkflowDefinition,
WorkflowStep, Event, EventSubscription, ScheduledCommand, ExecutionError,
LifecycleEvent, PollEndpointConfig. All serde-serializable.

Provider traits: PersistenceProvider (composite of WorkflowRepository,
EventRepository, SubscriptionRepository, ScheduledCommandRepository),
DistributedLockProvider, QueueProvider, SearchIndex, LifecyclePublisher,
WorkflowMiddleware, StepMiddleware, WorkflowRegistry.

StepBody trait with StepExecutionContext for workflow step implementations.
WorkflowData marker trait (blanket impl for Serialize + DeserializeOwned).
 2026-03-25 20:07:50 +00:00
Sienna Meridian Satterwhite
098564db51 chore: scaffold workspace with nextest and docker compose 
Workspace with 6 crates: wfe-core, wfe-sqlite, wfe-postgres,
wfe-opensearch, wfe-valkey, and wfe (umbrella). Nextest profiles
for default, integration, and CI. Docker compose for PostgreSQL,
Valkey, and OpenSearch integration tests.
 2026-03-25 20:05:34 +00:00