Let workflows merge or discard their own tasks

internal/agents/ready.go

@@ -143,6 +143,46 @@ func (m *Manager) cancelReadyTool(l *live) mcp.Tool {
 	}
 }
 
+func (m *Manager) selfClose(c store.SelfClose) {
+	ctx := context.Background()
+	err := m.approveSelfClose(ctx, c)
+	if err != nil {
+		action := "merge"
+		if c.Ready == "discard" {
+			action = "discard"
+		}
+		slog.Error("workflow self close", "task", c.TaskID, "ready", c.Ready, "err", err)
+		m.fileError(ctx, c.TaskID, fmt.Sprintf("The workflow lets this task %[1]s itself, but byre couldn't %[1]s it: %[2]v. Do it by hand.", action, err))
+		return
+	}
+	slog.Info("workflow self close", "task", c.TaskID, "ready", c.Ready)
+}
+
+func (m *Manager) approveSelfClose(ctx context.Context, c store.SelfClose) error {
+	task, project, err := m.activeTask(ctx, c.TaskID)
+	if err != nil {
+		return err
+	}
+	taken, err := m.store.TakeReady(ctx, c.TaskID, c.Ready)
+	if err != nil || !taken {
+		return err
+	}
+	if c.Ready == "discard" {
+		_, err = m.Discard(ctx, task, "byre")
+		return err
+	}
+	user, err := m.store.GetUser(ctx, c.By)
+	if err != nil {
+		return err
+	}
+	if c.Ready == "continue" {
+		_, err = m.MergeToMain(ctx, task, project, user, task.MergeTitle)
+		return err
+	}
+	_, err = m.Merge(ctx, task, project, user, task.MergeTitle)
+	return err
+}
+
 func (m *Manager) promptReady(p store.ReadyPrompt) {
 	ctx := context.Background()
 	err := m.sendReadyPrompt(ctx, p)