Support configuring effort alongside model

internal/agents/compact.go

@@ -25,7 +25,7 @@ const leadHandoffPrompt = `Write a handoff for a fresh lead agent that will take
 	`questions you have surfaced or answered and why; what you last pointed the human's attention at; and anything you promised to do or check. ` +
 	`Be complete: the next agent sees nothing else. Your final message is the handoff, and nothing else.`
 
-func (m *Manager) Compact(ctx context.Context, sessionID, model string) (api.AgentSession, error) {
+func (m *Manager) Compact(ctx context.Context, sessionID, model, effort string) (api.AgentSession, error) {
 	sess, err := m.store.GetSession(ctx, sessionID)
 	if err != nil {
 		return api.AgentSession{}, err
@@ -44,29 +44,33 @@ func (m *Manager) Compact(ctx context.Context, sessionID, model string) (api.Age
 	if err != nil {
 		return api.AgentSession{}, err
 	}
-	return m.launchCompaction(ctx, sess, task, model)
+	return m.launchCompaction(ctx, sess, task, model, effort)
 }
 
-func (m *Manager) launchCompaction(ctx context.Context, sess api.AgentSession, task api.Task, model string) (api.AgentSession, error) {
+type modelChoice struct {
+	model, effort string
+}
+
+func (m *Manager) launchCompaction(ctx context.Context, sess api.AgentSession, task api.Task, model, effort string) (api.AgentSession, error) {
 	prompt := handoffPrompt
 	if sess.Owner != "" {
 		prompt = leadHandoffPrompt
 	}
 	m.mu.Lock()
-	m.handoffModel[sess.Id] = model
+	m.handoffModel[sess.Id] = modelChoice{model, effort}
 	m.mu.Unlock()
 	return m.launch(ctx, sess, task, "byre", prompt, "", "", nil)
 }
 
-func (m *Manager) continuationModel(sess api.AgentSession) string {
+func (m *Manager) continuationModel(sess api.AgentSession) modelChoice {
 	m.mu.Lock()
-	model := m.handoffModel[sess.Id]
+	c := m.handoffModel[sess.Id]
 	delete(m.handoffModel, sess.Id)
 	m.mu.Unlock()
-	if model == "" {
-		return sess.Model
+	if c.model == "" {
+		return modelChoice{sess.Model, sess.Effort}
 	}
-	return model
+	return c
 }
 
 func isHandoffPrompt(actor, text string) bool {
@@ -107,7 +111,7 @@ func (m *Manager) handoff(ctx context.Context, sessionID, handoff string) error
 		if err != nil {
 			return err
 		}
-		_, err = m.createLead(ctx, creator, leadHandoffPreamble+handoff, model, "byre", "", "", nil)
+		_, err = m.createLead(ctx, creator, leadHandoffPreamble+handoff, model.model, model.effort, "byre", "", "", nil)
 		return err
 	}
 
@@ -118,7 +122,7 @@ func (m *Manager) handoff(ctx context.Context, sessionID, handoff string) error
 	if err != nil {
 		return err
 	}
-	next := sessionFor(task, creator, sess.Member, model)
+	next := sessionFor(task, creator, sess.Member, model.model, model.effort)
 	next.State = api.AgentSessionStateRunning
 	err = m.store.ReplaceSession(ctx, sess.Id, next, task.ProjectId, "byre")
 	if errors.Is(err, store.ErrStateChanged) {