Share single torrent client across all services, eliminate triple qBittorrent login on startup

internal/torrent/server.go

@@ -7,7 +7,6 @@ import (
 	"google.golang.org/grpc"
 
 	pb "homelab.lan/music-agregator/gen/music_agregator/torrent/v1"
-	"homelab.lan/music-agregator/internal/config"
 )
 
 type TorrentServer struct {
@@ -15,14 +14,8 @@ type TorrentServer struct {
 	pb.UnimplementedTorrentServiceServer
 }
 
-func NewTorrentServer(cfg config.Config) (*TorrentServer, error) {
-	service, err := NewTorrentService(cfg)
-	if err != nil {
-		log.Err(err).Msg("failed to initialize TorrentService")
-		return nil, err
-	}
-
-	return &TorrentServer{service: service}, nil
+func NewTorrentServer(client TorrentClient) *TorrentServer {
+	return &TorrentServer{service: NewTorrentService(client)}
 }
 
 func (server *TorrentServer) List(ctx context.Context, req *pb.ListRequest) (*pb.ListResponse, error) {