refactor: split modules and harden scraping workflows

internal/service/nfo_test.go

@@ -3,6 +3,7 @@ package service
 import (
 	"os"
 	"path/filepath"
+	"strings"
 	"testing"
 
 	"github.com/ShukeBta/MediaStationGo/internal/model"
@@ -36,3 +37,34 @@ func TestWriteMediaNFOUsesMappedDestinationPath(t *testing.T) {
 		t.Fatal(err)
 	}
 }
+
+func TestWriteMediaNFOUsesEpisodeTitleForEpisodeDetails(t *testing.T) {
+	root := t.TempDir()
+	mediaPath := filepath.Join(root, "剧集", "间谍过家家", "Season 02", "间谍过家家 - S02E01.mkv")
+	if err := os.MkdirAll(filepath.Dir(mediaPath), 0o755); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(mediaPath, []byte("media"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	got, err := WriteMediaNFO(&model.Media{
+		Title:        "间谍过家家",
+		OriginalName: "SPY×FAMILY",
+		EpisodeTitle: "任务代号: 猫",
+		Path:         mediaPath,
+		SeasonNum:    2,
+		EpisodeNum:   1,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	body, err := os.ReadFile(got)
+	if err != nil {
+		t.Fatal(err)
+	}
+	text := string(body)
+	if !strings.Contains(text, "<title>任务代号: 猫</title>") || !strings.Contains(text, "<showtitle>间谍过家家</showtitle>") {
+		t.Fatalf("episode nfo did not keep episode/show titles separate:\n%s", text)
+	}
+}