approver

type Approver interface {
	// Name returns the approver identifier.
	Name() string
	// Approve returns a decision for the given request.
	Approve(ctx context.Context, req Request) (Decision, error)
}

type Chain struct {
	// Approvers is the ordered list to execute.
	Approvers []Approver
}

type Decision struct {
	// Allowed indicates approval result.
	Allowed bool
	// Reason explains the decision.
	Reason string
	// Source identifies the approver.
	Source string
}

type Request struct {
	// ToolName is the tool being approved.
	ToolName string
	// Arguments are tool arguments.
	Arguments map[string]any
	// CorrelationID links related approvals.
	CorrelationID string
}

type Timeout struct {
	// Inner is the wrapped approver.
	Inner Approver
	// Timeout is the maximum duration for approval.
	Timeout time.Duration
}