refactor(v2): migrate get_releases_grid to v2

Path C: legacy command called client.get_releases_grid for the
artist detail view's release-type pagination grid. No existing
v2 equivalent, so add v2_get_releases_grid via QbzCore ->
QobuzClient::get_releases_grid directly.

cc

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, TracksContainer,
+    Playlist, PlaylistTag, ReleasesGridResponse, SearchResultsPage, Track, TracksContainer,
 };
 
 use crate::artist_blacklist::BlacklistState;
@@ -487,6 +487,39 @@ pub async fn v2_get_artist_tracks(
         .map_err(RuntimeError::Internal)
 }
 
+/// Get an artist's releases grid paginated by release_type (V2 - uses QbzCore).
+#[tauri::command]
+#[allow(non_snake_case)]
+pub async fn v2_get_releases_grid(
+    artistId: u64,
+    releaseType: String,
+    limit: Option<u32>,
+    offset: Option<u32>,
+    sort: Option<String>,
+    bridge: State<'_, CoreBridgeState>,
+    runtime: State<'_, RuntimeManagerState>,
+) -> Result<ReleasesGridResponse, RuntimeError> {
+    runtime
+        .manager()
+        .check_requirements(CommandRequirement::RequiresCoreBridgeAuth)
+        .await?;
+
+    let limit = limit.unwrap_or(25);
+    let offset = offset.unwrap_or(0);
+    log::info!(
+        "[V2] get_releases_grid: {} type={} limit={} offset={}",
+        artistId,
+        releaseType,
+        limit,
+        offset
+    );
+    let bridge = bridge.get().await;
+    bridge
+        .get_releases_grid(artistId, &releaseType, limit, offset, sort.as_deref())
+        .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

@@ -16,8 +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, TracksContainer,
-    UserSession,
+    QueueState, QueueTrack, ReleasesGridResponse, RepeatMode, SearchResultsPage, StreamUrl, Track,
+    TracksContainer, UserSession,
 };
 use qbz_player::{PlaybackState, Player};
 
@@ -595,6 +595,21 @@ impl CoreBridge {
             .map_err(|e| e.to_string())
     }
 
+    /// Get an artist's releases grid (paginated by `release_type`).
+    pub async fn get_releases_grid(
+        &self,
+        artist_id: u64,
+        release_type: &str,
+        limit: u32,
+        offset: u32,
+        sort: Option<&str>,
+    ) -> Result<ReleasesGridResponse, String> {
+        self.core
+            .get_releases_grid(artist_id, release_type, limit, offset, sort)
+            .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

@@ -1706,6 +1706,7 @@ pub fn run() {
             commands_v2::v2_get_artist_albums,
             commands_v2::v2_get_artist_detail,
             commands_v2::v2_get_artist_tracks,
+            commands_v2::v2_get_releases_grid,
             commands_v2::v2_get_label_page,
             commands_v2::v2_get_label_explore,
             commands_v2::v2_get_label_albums,