feat(queue): two-level deque model — PLAY prepends, add appends, last-track-end empties

Fixes five queue bugs: Playlist relabel, last-track-empties, dormant-seed-from-player on first add, immediate panel reactivity, and front/back deque semantics. Adds JumpTo for row jumps.
2026-06-20 15:26:37 -04:00
parent 5058c72375
commit 214f708e65
12 changed files with 510 additions and 100 deletions
@@ -71,6 +71,13 @@

    private MudDropContainer<QueueRow>? _dropContainer;

+    // MudDropContainer snapshots its Items into internal drop zones and does not re-read them on a
+    // plain re-render — so a Clear/remove/reorder that changes the parent's Items list must be pushed
+    // into the container explicitly, or the panel shows the stale order until reopened (bug #4). The
+    // parent passes a fresh Items reference per mutation; refreshing here on every parameter set re-flows
+    // the container's snapshot to match. Cheap: Refresh only re-reads the bound list.
+    protected override void OnParametersSet() => _dropContainer?.Refresh();
+
    // Index-tagged view rows. The index is the row's position in Items at render time and is the
    // value surfaced to the parent's callbacks — the component never mutates the underlying list.
    private List<QueueRow> Rows =>