refactor: extract BuildSyncItems to library package, remove duplication

internal/library/sync.go

@@ -0,0 +1,44 @@
+package library
+
+import "github.com/torrentclaw/torrentclaw-cli/internal/agent"
+
+// BuildSyncItems converts cached library items to sync request items.
+// Shared between unarr scan (cmd/scan.go) and auto-scan (cmd/daemon.go).
+func BuildSyncItems(cache *LibraryCache) []agent.LibrarySyncItem {
+	items := make([]agent.LibrarySyncItem, 0, len(cache.Items))
+	for _, item := range cache.Items {
+		if item.ScanError != "" {
+			continue
+		}
+		si := agent.LibrarySyncItem{
+			FilePath:    item.FilePath,
+			FileName:    item.FileName,
+			FileSize:    item.FileSize,
+			Title:       item.Title,
+			Year:        item.Year,
+			ContentType: DeriveContentType(item),
+			Season:      item.Season,
+			Episode:     item.Episode,
+		}
+
+		if item.MediaInfo != nil {
+			if item.MediaInfo.Video != nil {
+				si.Resolution = ResolveResolution(item.MediaInfo.Video.Height)
+				si.VideoCodec = item.MediaInfo.Video.Codec
+				si.HDR = item.MediaInfo.Video.HDR
+				si.BitDepth = item.MediaInfo.Video.BitDepth
+			}
+			codec, channels := PrimaryAudioTrack(item.MediaInfo.Audio)
+			si.AudioCodec = codec
+			si.AudioChannels = channels
+			si.AudioLanguages = AudioLanguages(item.MediaInfo.Audio)
+			si.SubtitleLanguages = SubtitleLanguages(item.MediaInfo.Subtitles)
+			si.AudioTracks = item.MediaInfo.Audio
+			si.SubtitleTracks = item.MediaInfo.Subtitles
+			si.VideoInfo = item.MediaInfo.Video
+		}
+
+		items = append(items, si)
+	}
+	return items
+}