fix(Remote playback): kludge to scrub after stream move

src/lib/api/bindings.ts

@@ -303,8 +303,8 @@ async playbackModeIsTransferring() : Promise<boolean> {
 /**
  * Transfer playback from local device to a remote Jellyfin session
  */
-async playbackModeTransferToRemote(sessionId: string) : Promise<null> {
-    return await TAURI_INVOKE("playback_mode_transfer_to_remote", { sessionId });
+async playbackModeTransferToRemote(sessionId: string, position: number | null) : Promise<null> {
+    return await TAURI_INVOKE("playback_mode_transfer_to_remote", { sessionId, position });
 },
 /**
  * Get remote session status (for polling position/duration)

src/lib/components/sessions/SessionPickerModal.svelte

@@ -1,7 +1,9 @@
 <!-- TRACES: UR-010 | JA-021, JA-025 | DR-037 -->
 <script lang="ts">
+  import { get } from "svelte/store";
   import { sessions, controllableSessions, selectedSession } from "$lib/stores";
   import { playbackMode, isTransferring, transferError } from "$lib/stores/playbackMode";
+  import { playbackPosition } from "$lib/stores/player";
   import type { Session } from "$lib/api/types";
 
   interface Props {
@@ -14,8 +16,8 @@
 
   async function handleSessionSelect(session: Session) {
     try {
-      // Transfer playback to remote session
-      await playbackMode.transferToRemote(session.id);
+      // Transfer playback to remote session, resuming at our current position
+      await playbackMode.transferToRemote(session.id, get(playbackPosition));
 
       if (onSelectSession) {
         onSelectSession(session);

src/lib/services/playerEvents.ts

@@ -10,7 +10,7 @@
 
 import { type UnlistenFn } from "@tauri-apps/api/event";
 import { commands, events, type PlayerStatusEvent, type SleepTimerMode } from "$lib/api/bindings";
-import { player, playbackPosition } from "$lib/stores/player";
+import { player, playbackPosition, currentMedia } from "$lib/stores/player";
 import { queue, currentQueueItem } from "$lib/stores/queue";
 import { playbackMode } from "$lib/stores/playbackMode";
 import { sleepTimer } from "$lib/stores/sleepTimer";
@@ -163,9 +163,16 @@ async function handleStateChanged(state: string, _mediaId: string | null): Promi
       }
 
       if (state === "playing" && currentItem) {
-        // Use 0 for position/duration - will be updated by position_update events
+        // Preserve the current position when the same track is already loaded
+        // (e.g. resuming from pause, or a spurious PlaybackRestart). Only reset
+        // to 0 when switching to a different track. position_update events keep
+        // it fresh either way, but resetting unconditionally caused the time to
+        // flash to 0:00 on pause/resume.
+        const previous = get(currentMedia);
+        const isSameTrack = previous?.id === currentItem.id;
+        const startPosition = isSameTrack ? get(playbackPosition) : 0;
         const initialDuration = currentItem.runTimeTicks ? currentItem.runTimeTicks / 10000000 : 0;
-        player.setPlaying(currentItem, 0, initialDuration);
+        player.setPlaying(currentItem, startPosition, initialDuration);
 
         // Trigger preloading of upcoming tracks in the background
         preloadUpcomingTracks().catch((e) => {

src/lib/stores/music.ts

@@ -175,10 +175,20 @@ function createMusicStore() {
       const genres = await repo.getGenres(libraryId);
       if (genres.length === 0) return;
 
-      const hasCounts = genres.some(g => g.albumCount != null);
+      // Counts are only *useful* if they actually differentiate genres. Some
+      // servers return Fields=ItemCounts but populate every genre with the same
+      // value (or 0), which leaves the list in its original alphabetical order
+      // after "ranking" — so diversity selection seeds on the first genre and we
+      // get a wall of A-genres ("avangard", "avan-gard", ...) with no Rock.
+      // Treat that as "no usable counts" and fall through to the probe path,
+      // which ranks by genres' real album counts instead.
+      const positiveCounts = genres
+        .map(g => g.albumCount)
+        .filter((c): c is number => c != null && c > 0);
+      const hasUsefulCounts = new Set(positiveCounts).size > 1;
 
       let genreRows: GenreRow[];
-      if (hasCounts) {
+      if (hasUsefulCounts) {
         // Rank by reported count, pick a diverse subset, then fetch only those.
         const ranked = [...genres].sort(
           (a, b) => (b.albumCount ?? 0) - (a.albumCount ?? 0)
@@ -188,7 +198,8 @@ function createMusicStore() {
           row => row.items.length > 0
         );
       } else {
-        // No counts (offline, or a server that ignores Fields=ItemCounts).
+        // No usable counts (offline, a server that ignores Fields=ItemCounts,
+        // or one that returns uniform/zero counts — see hasUsefulCounts above).
         // The genre list is alphabetical, so probing the first N would only
         // ever surface A-genres. Sample at an even stride across the whole
         // list instead, so the probe pool spans A→Z; then drop empties, rank

src/lib/stores/playbackMode.test.ts

@@ -167,6 +167,7 @@ describe("playbackMode store", () => {
 
       expect(mockInvoke).toHaveBeenCalledWith("playback_mode_transfer_to_remote", {
         sessionId: "session-456",
+        position: null,
       });
     });
 

src/lib/stores/playbackMode.ts

@@ -73,7 +73,10 @@ function createPlaybackModeStore() {
    * - Polls remote session until track loads
    * - Stops local playback
    */
-  async function transferToRemote(sessionId: string | null | undefined): Promise<void> {
+  async function transferToRemote(
+    sessionId: string | null | undefined,
+    currentPosition?: number,
+  ): Promise<void> {
     console.log("[PlaybackMode] Transferring to remote session:", sessionId);
     update((s) => ({ ...s, isTransferring: true, transferError: null }));
 
@@ -88,10 +91,17 @@ function createPlaybackModeStore() {
     };
 
     try {
+      // Pass the caller's current local position so the remote resumes where we
+      // are. The backend can't reliably read this itself: on Linux video plays in
+      // the HTML5 <video> element and the MPV backend reports 0. A null override
+      // falls back to the backend position (correct for Linux audio via MPV).
+      const positionOverride =
+        currentPosition !== undefined && currentPosition > 0 ? currentPosition : null;
+
       // Rust handles everything - just wait for it to complete
       // It includes its own 5-second timeout for track loading
-      console.log("[PlaybackMode] About to invoke playback_mode_transfer_to_remote with sessionId:", sessionId);
-      await commands.playbackModeTransferToRemote(sessionId ?? "");
+      console.log("[PlaybackMode] About to invoke playback_mode_transfer_to_remote with sessionId:", sessionId, "position:", positionOverride);
+      await commands.playbackModeTransferToRemote(sessionId ?? "", positionOverride);
       console.log("[PlaybackMode] Invoke completed successfully");
 
       if (aborted) {