view

PendingApproval is the rule for choosing the approval an operator means: without an id the run must have exactly one pending approval, and a named approval must still be pending. Guessing is not the runtime's decision.

ctx := context.Background()
store, err := agentrt.OpenStore(":memory:")
if err != nil {
	panic(err)
}
defer store.Close()

push := tool{spec: agentrt.ToolSpec{
	Name: "push", Description: "push", SideEffect: agentrt.RemoteMutation, Timeout: time.Second,
	InputSchema: []byte(`{"type":"object","properties":{"n":{"type":"integer"}},"additionalProperties":false}`),
}}
agent := &scripted.Agent{Decisions: []agentrt.Decision{scripted.ToolCall("push", `{"n":7}`, "publish")}}
d, err := agentrt.NewDriver(agentrt.Config{
	Store: store, Agent: agent, Policy: agentrt.DefaultPolicy(),
	Tools: []agentrt.Tool{push},
	NewID: func() func() string {
		n := 0
		return func() string { n++; return fmt.Sprintf("id-%d", n) }
	}(),
})
if err != nil {
	panic(err)
}
run, err := d.Start(ctx, "publish the counter", agentrt.DefaultLimits())
if err != nil {
	panic(err)
}

// One pending approval, so the operator need not name it.
a, err := view.PendingApproval(ctx, store, run.ID, "")
fmt.Println(a.ID, a.Kind, a.Status, err)

if err := d.Approve(ctx, run.ID, a.ID, "joey", ""); err != nil {
	panic(err)
}

// Once decided it is no longer a candidate, by id or without one.
_, err = view.PendingApproval(ctx, store, run.ID, a.ID)
fmt.Println(errors.Is(err, view.ErrNotPending))
_, err = view.PendingApproval(ctx, store, run.ID, "")
fmt.Println(errors.Is(err, view.ErrNoPendingApproval))

Output:
id-3 remote_mutation pending <nil>
true
true