Skip closed task history in lead and TODO queries

internal/agents/leadtools.go

@@ -881,14 +881,14 @@ func (m *Manager) listTasksText(ctx context.Context) (string, error) {
 	b := &strings.Builder{}
 	for _, p := range projects {
 		fmt.Fprintf(b, "## %s (project %s, repo %s, default branch %s)\n", p.Name, p.Id, p.RepoPath, p.DefaultBranch)
-		tasks, err := m.store.ListTasks(ctx, p.Id)
+		tasks, err := m.store.ListActiveTasks(ctx, p.Id)
 		if err != nil {
 			return "", err
 		}
 		listed := false
 		started := map[string]bool{}
 		for _, t := range tasks {
-			if t.Status != api.TaskStatusActive || t.Background {
+			if t.Background {
 				continue
 			}
 			listed = true

internal/agents/tasks.go

@@ -64,12 +64,12 @@ func (m *Manager) StartTodo(ctx context.Context, project api.Project, creator ap
 		return nil, fmt.Errorf("%w: %s on %s has no item %q", store.ErrNotFound, todo.File, project.DefaultBranch, title)
 	}
 
-	tasks, err := m.store.ListTasks(ctx, project.Id)
+	tasks, err := m.store.ListActiveTasks(ctx, project.Id)
 	if err != nil {
 		return nil, err
 	}
 	for _, t := range tasks {
-		if t.Status == api.TaskStatusActive && t.TodoItem != nil && *t.TodoItem == title {
+		if t.TodoItem != nil && *t.TodoItem == title {
 			return nil, fmt.Errorf("%w: task %s is already working on %q", ErrConflict, t.Id, title)
 		}
 	}

internal/store/store.go

@@ -407,10 +407,6 @@ func (s *Store) CreateTask(ctx context.Context, t api.Task, frozen *FrozenWorkfl
 	})
 }
 
-func (s *Store) ListTasks(ctx context.Context, projectID string) ([]api.Task, error) {
-	return s.queryTasks(ctx, `SELECT `+taskColumns+` FROM tasks WHERE project_id = ? ORDER BY created_at DESC`, projectID)
-}
-
 func (s *Store) ListActiveTasks(ctx context.Context, projectID string) ([]api.Task, error) {
 	return s.queryTasks(ctx, `SELECT `+taskColumns+` FROM tasks WHERE project_id = ? AND status = ? ORDER BY created_at DESC`, projectID, string(api.TaskStatusActive))
 }