feat(settings): simplify team management into flat teams and groups

internal/storage/sqlite.go

@@ -2752,6 +2752,30 @@ func (s *Store) DeleteTeam(teamID string) error {
 	return err
 }
 
+func (s *Store) GetAllTeams() ([]domain.Team, error) {
+	rows, err := s.db.Query(
+		`SELECT id, org_id, name, description, created_at FROM teams ORDER BY name COLLATE NOCASE ASC`,
+	)
+	if err != nil {
+		return []domain.Team{}, err
+	}
+	defer rows.Close()
+
+	teams := make([]domain.Team, 0)
+	for rows.Next() {
+		var t domain.Team
+		if err := rows.Scan(&t.ID, &t.OrgID, &t.Name, &t.Description, &t.CreatedAt); err == nil {
+			t.Members = []domain.TeamMember{}
+			teams = append(teams, t)
+		}
+	}
+	for i := range teams {
+		members, _ := s.GetTeamMembers(teams[i].ID)
+		teams[i].Members = members
+	}
+	return teams, nil
+}
+
 func (s *Store) GetTeamsForOrg(orgID string) ([]domain.Team, error) {
 	rows, err := s.db.Query(
 		`SELECT id, org_id, name, description, created_at FROM teams WHERE org_id = ? ORDER BY created_at ASC`,