fix(dashboard): address PR review feedback

libs/shared/interfaces/src/lib/playlist-recently-viewed.utils.ts

@@ -17,6 +17,10 @@ interface PlaylistRecentLabels {
     m3u: string;
 }
 
+function firstNonEmpty(...values: Array<string | undefined>): string | undefined {
+    return values.map((value) => value?.trim()).find(Boolean);
+}
+
 function getPlaylistRecentItems(
     playlist: PlaylistMeta
 ): PlaylistRecentlyViewedItem[] {
@@ -76,9 +80,11 @@ function mapM3uPlaylistRecentItems(
             acc.push({
                 id: rawItem.id || channelUrl,
                 title:
-                    rawItem.title?.trim() ||
-                    rawItem.tvg_name?.trim() ||
-                    rawItem.channel_id ||
+                    firstNonEmpty(
+                        rawItem.title,
+                        rawItem.tvg_name,
+                        rawItem.channel_id
+                    ) ||
                     channelUrl,
                 type: 'live',
                 playlist_id: playlist._id,
@@ -87,6 +93,12 @@ function mapM3uPlaylistRecentItems(
                 category_id: rawItem.category_id || 'live',
                 xtream_id: channelUrl,
                 poster_url: rawItem.poster_url || undefined,
+                epg_lookup_key: firstNonEmpty(
+                    rawItem.tvg_id,
+                    rawItem.tvg_name,
+                    rawItem.title,
+                    rawItem.channel_id
+                ),
                 source: 'm3u',
             });
 

libs/shared/interfaces/src/lib/portal-activity-item.interface.ts

@@ -16,6 +16,11 @@ export interface PortalActivityItem {
     category_id: string | number;
     xtream_id: string | number;
     poster_url?: string;
+    /**
+     * Preferred XMLTV lookup key for live EPG enrichment. For M3U channels this
+     * follows the app-wide tvg.id -> tvg.name -> display name fallback chain.
+     */
+    epg_lookup_key?: string;
     /**
      * Wide backdrop URL (typically 16:9), persisted when the user first views
      * the detail page. Absent for stalker and for items that have never had