async

type Handler interface {
	HandleJob(ctx context.Context, job Job) error
}

type HandlerFunc func(ctx context.Context, job Job) error

type Job struct {
	ID             string          `json:"id"`
	Type           string          `json:"type"`
	RunID          string          `json:"run_id,omitempty"`
	Payload        json.RawMessage `json:"payload,omitempty"`
	State          JobState        `json:"state"`
	Attempts       int             `json:"attempts"`
	MaxAttempts    int             `json:"max_attempts"`
	LastError      string          `json:"last_error,omitempty"`
	CreatedAt      time.Time       `json:"created_at"`
	UpdatedAt      time.Time       `json:"updated_at"`
	AvailableAt    time.Time       `json:"available_at"`
	LeaseWorkerID  string          `json:"lease_worker_id,omitempty"`
	LeaseExpiresAt time.Time       `json:"lease_expires_at,omitempty"`
}

type JobState string

type Lease struct {
	JobID     string
	WorkerID  string
	Attempt   int
	ExpiresAt time.Time
}

type LeaseRenewer interface {
	Renew(ctx context.Context, lease Lease, ttl time.Duration) (Lease, bool, error)
}

type Queue interface {
	Enqueue(ctx context.Context, job Job) (Job, error)
	Lease(ctx context.Context, workerID string, ttl time.Duration) (Lease, bool, error)
	Load(ctx context.Context, jobID string) (Job, error)
	Complete(ctx context.Context, lease Lease) error
	Fail(ctx context.Context, lease Lease, cause error) error
	Cancel(ctx context.Context, jobID string) error
}

type RunPayload struct {
	RunID       string             `json:"run_id,omitempty"`
	ScenarioID  string             `json:"scenario_id,omitempty"`
	Scenario    json.RawMessage    `json:"scenario,omitempty"`
	Agent       string             `json:"agent,omitempty"`
	Prompt      string             `json:"prompt,omitempty"`
	Context     json.RawMessage    `json:"context,omitempty"`
	MaxAttempts int                `json:"max_attempts,omitempty"`
	Metadata    map[string]string  `json:"metadata,omitempty"`
	Principal   identity.Principal `json:"principal,omitempty"`
}

type Worker struct {
	// contains filtered or unexported fields
}

type WorkerConfig struct {
	WorkerID      string
	Concurrency   int
	LeaseTTL      time.Duration
	RenewInterval time.Duration
	JobTimeout    time.Duration
	PollInterval  time.Duration
}