feat: add artist radio and track radio (in context menu) (#1437)

* Add API support for artist radio and track radio features

* Add translation strings and settings UI for artist radio count

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: jeffvli <jeffvictorli@gmail.com>

src/shared/api/subsonic/subsonic-types.ts

@@ -354,6 +354,19 @@ const similarSongs = z.object({
         .optional(),
 });
 
+const similarSongs2Parameters = z.object({
+    count: z.number().optional(),
+    id: z.string(),
+});
+
+const similarSongs2 = z.object({
+    similarSongs2: z
+        .object({
+            song: z.array(song),
+        })
+        .optional(),
+});
+
 export enum SubsonicExtensions {
     FORM_POST = 'formPost',
     INDEX_BASED_QUEUE = 'indexBasedQueue',
@@ -724,6 +737,7 @@ export const ssType = {
         search3: search3Parameters,
         setRating: setRatingParameters,
         similarSongs: similarSongsParameters,
+        similarSongs2: similarSongs2Parameters,
         structuredLyrics: structuredLyricsParameters,
         topSongsList: topSongsListParameters,
         updateInternetRadioStation: updateInternetRadioStationParameters,
@@ -775,6 +789,7 @@ export const ssType = {
         serverInfo,
         setRating,
         similarSongs,
+        similarSongs2,
         song,
         structuredLyrics,
         topSongsList,