arazzo

var (
	ErrInvalidArazzo             = errors.New("invalid arazzo document")
	ErrMissingArazzoField        = errors.New("missing required 'arazzo' field")
	ErrMissingInfo               = errors.New("missing required 'info' field")
	ErrMissingSourceDescriptions = errors.New("missing required 'sourceDescriptions' field")
	ErrEmptySourceDescriptions   = errors.New("sourceDescriptions must have at least one entry")
	ErrMissingWorkflows          = errors.New("missing required 'workflows' field")
	ErrEmptyWorkflows            = errors.New("workflows must have at least one entry")
)

var (
	ErrMissingWorkflowId   = errors.New("missing required 'workflowId'")
	ErrMissingSteps        = errors.New("missing required 'steps'")
	ErrEmptySteps          = errors.New("steps must have at least one entry")
	ErrDuplicateWorkflowId = errors.New("duplicate workflowId")
)

var (
	ErrMissingStepId         = errors.New("missing required 'stepId'")
	ErrDuplicateStepId       = errors.New("duplicate stepId within workflow")
	ErrStepMutualExclusion   = errors.New("step must have exactly one of operationId, operationPath, or workflowId")
	ErrExecutorNotConfigured = errors.New("executor is not configured")
)

var (
	ErrMissingParameterName  = errors.New("missing required 'name'")
	ErrMissingParameterIn    = errors.New("missing required 'in' for operation parameter")
	ErrInvalidParameterIn    = errors.New("'in' must be path, query, header, or cookie")
	ErrMissingParameterValue = errors.New("missing required 'value'")
)

var (
	ErrMissingActionName     = errors.New("missing required 'name'")
	ErrMissingActionType     = errors.New("missing required 'type'")
	ErrInvalidSuccessType    = errors.New("success action type must be 'end' or 'goto'")
	ErrInvalidFailureType    = errors.New("failure action type must be 'end', 'retry', or 'goto'")
	ErrActionMutualExclusion = errors.New("action cannot have both workflowId and stepId")
	ErrGotoRequiresTarget    = errors.New("goto action requires workflowId or stepId")
	ErrStepIdNotInWorkflow   = errors.New("stepId must reference a step in the current workflow")
)

var (
	ErrInvalidExpression       = errors.New("invalid runtime expression")
	ErrUnknownExpressionPrefix = errors.New("unknown expression prefix")
)

var (
	ErrUnresolvedWorkflowRef  = errors.New("workflowId references unknown workflow")
	ErrUnresolvedSourceDesc   = errors.New("sourceDescription reference not found")
	ErrUnresolvedOperationRef = errors.New("operation reference not found")
	ErrOperationSourceMapping = errors.New("operation source mapping failed")
	ErrUnresolvedComponent    = errors.New("component reference not found")
	ErrCircularDependency     = errors.New("circular workflow dependency detected")
)

var (
	ErrMissingCondition = errors.New("missing required 'condition'")
)

var (
	ErrSourceDescLoadFailed = errors.New("failed to load source description")
)