refactor(v2): migrate get_artist_tracks to v2

Path C: legacy command called client.get_artist_tracks (the
/artist/get?extra=tracks path) and returned a TracksContainer.
No existing v2 equivalent, so add v2_get_artist_tracks via
QbzCore -> QobuzClient::get_artist_tracks directly.

cc

crates/qbz-core/src/core.rs

@@ -11,7 +11,7 @@ use qbz_models::{
     DiscoverResponse, FrontendAdapter, GenreInfo, LabelExploreResponse, LabelGetListResponse,
     LabelListPage, LabelPageData, LabelStoryResponse, PageArtistResponse,
     Playlist, PlaylistTag, Quality, QueueState, QueueTrack, RepeatMode, SearchResultsPage,
-    StreamUrl, Track, UserSession,
+    StreamUrl, Track, TracksContainer, UserSession,
 };
 use qbz_player::{PlaybackState, Player, QueueManager};
 use qbz_qobuz::QobuzClient;
@@ -886,6 +886,22 @@ impl<A: FrontendAdapter + Send + Sync + 'static> QbzCore<A> {
             .map_err(CoreError::Api)
     }
 
+    /// Get an artist's popular/top tracks (`/artist/get?extra=tracks`).
+    pub async fn get_artist_tracks(
+        &self,
+        artist_id: u64,
+        limit: u32,
+        offset: u32,
+    ) -> Result<TracksContainer, CoreError> {
+        let client = self.client.read().await;
+        let client = client.as_ref().ok_or(CoreError::NotInitialized)?;
+
+        client
+            .get_artist_tracks(artist_id, limit, offset)
+            .await
+            .map_err(CoreError::Api)
+    }
+
     /// Get label page (aggregated: top tracks, releases, playlists, artists)
     pub async fn get_label_page(&self, label_id: u64) -> Result<LabelPageData, CoreError> {
         let client = self.client.read().await;

src-tauri/src/commands_v2/catalog.rs

@@ -4,7 +4,7 @@ use qbz_models::{
     Album, Artist, ArtistAlbums, AwardPageData, DiscoverAlbum, DiscoverData,
     DiscoverPlaylistsResponse, DiscoverResponse, GenreInfo, LabelExploreResponse,
     LabelGetListResponse, LabelListPage, LabelPageData, LabelStoryResponse, PageArtistResponse,
-    Playlist, PlaylistTag, SearchResultsPage, Track,
+    Playlist, PlaylistTag, SearchResultsPage, Track, TracksContainer,
 };
 
 use crate::artist_blacklist::BlacklistState;
@@ -457,6 +457,36 @@ pub async fn v2_get_artist_detail(
         .map_err(RuntimeError::Internal)
 }
 
+/// Get an artist's popular/top tracks (V2 - uses QbzCore).
+#[tauri::command]
+#[allow(non_snake_case)]
+pub async fn v2_get_artist_tracks(
+    artistId: u64,
+    limit: Option<u32>,
+    offset: Option<u32>,
+    bridge: State<'_, CoreBridgeState>,
+    runtime: State<'_, RuntimeManagerState>,
+) -> Result<TracksContainer, RuntimeError> {
+    runtime
+        .manager()
+        .check_requirements(CommandRequirement::RequiresCoreBridgeAuth)
+        .await?;
+
+    let limit = limit.unwrap_or(50);
+    let offset = offset.unwrap_or(0);
+    log::info!(
+        "[V2] get_artist_tracks: {} limit={} offset={}",
+        artistId,
+        limit,
+        offset
+    );
+    let bridge = bridge.get().await;
+    bridge
+        .get_artist_tracks(artistId, limit, offset)
+        .await
+        .map_err(RuntimeError::Internal)
+}
+
 /// Get label page (aggregated: top tracks, releases, playlists, artists)
 #[tauri::command]
 #[allow(non_snake_case)]

src-tauri/src/core_bridge.rs

@@ -16,7 +16,8 @@ use qbz_models::{
     Album, Artist, ArtistAlbums, DiscoverAlbum, DiscoverData, DiscoverPlaylistsResponse,
     DiscoverResponse, GenreInfo, LabelExploreResponse, LabelGetListResponse, LabelListPage,
     LabelPageData, LabelStoryResponse, PageArtistResponse, Playlist, PlaylistTag, Quality,
-    QueueState, QueueTrack, RepeatMode, SearchResultsPage, StreamUrl, Track, UserSession,
+    QueueState, QueueTrack, RepeatMode, SearchResultsPage, StreamUrl, Track, TracksContainer,
+    UserSession,
 };
 use qbz_player::{PlaybackState, Player};
 
@@ -581,6 +582,19 @@ impl CoreBridge {
             .map_err(|e| e.to_string())
     }
 
+    /// Get an artist's popular/top tracks.
+    pub async fn get_artist_tracks(
+        &self,
+        artist_id: u64,
+        limit: u32,
+        offset: u32,
+    ) -> Result<TracksContainer, String> {
+        self.core
+            .get_artist_tracks(artist_id, limit, offset)
+            .await
+            .map_err(|e| e.to_string())
+    }
+
     /// Get label page (aggregated: top tracks, releases, playlists, artists)
     pub async fn get_label_page(&self, label_id: u64) -> Result<LabelPageData, String> {
         self.core

src-tauri/src/lib.rs

@@ -1705,6 +1705,7 @@ pub fn run() {
             commands_v2::v2_get_artist_with_albums,
             commands_v2::v2_get_artist_albums,
             commands_v2::v2_get_artist_detail,
+            commands_v2::v2_get_artist_tracks,
             commands_v2::v2_get_label_page,
             commands_v2::v2_get_label_explore,
             commands_v2::v2_get_label_albums,

src/lib/components/immersive/panels/SuggestionsPanel.svelte

@@ -133,7 +133,7 @@
       if (tracks.length < 5) {
         console.log(`[Suggestions] Sparse tracks_appears_on (${tracks.length}), fetching artist tracks...`);
         try {
-          const artistTracks = await invoke<TracksContainer>('get_artist_tracks', {
+          const artistTracks = await invoke<TracksContainer>('v2_get_artist_tracks', {
             artistId: id,
             limit: 30,
             offset: 0