3 files changed, 26 insertions, 4 deletions
diff --git a/packages/meshbay-hub/src/meshbay_hub/static/music-player.js b/packages/meshbay-hub/src/meshbay_hub/static/music-player.js
index f0f7c47..500f518 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/music-player.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/music-player.js
@@ -6,6 +6,7 @@ import { t } from './i18n.js';
 import { Icon } from './icon.js';
 import { useStickyBand } from './sticky.js';
 import { CHUNK_SIZE, pipelinedDownload } from './file-utils.js';
+import { playback } from './platform.js';
 
 /**
  * The Music app's persistent player bar (docs/MESHBAY_DESIGN.md §9.8).
@@ -279,6 +280,15 @@ function MusicPlayerBar({ getConnection, queue, onClose, userPrefs, onSaveQueue
     for (const { url } of blobCacheRef.current.values()) URL.revokeObjectURL(url);
   }, []);
 
+  // Held for as long as a track plays, through the advance to the next one:
+  // without it a phone freezes the page a minute after the screen goes off,
+  // and the next track never loads.
+  useEffect(() => {
+    if (!playing) return;
+    playback.keepAlive(true);
+    return () => playback.keepAlive(false);
+  }, [playing]);
+
   // Screen Wake Lock, opt-in only (Settings → music_keep_screen_on) and only
   // while a track is actually playing — off by default because the ordinary
   // expectation, matching Spotify/Deezer, is that the phone locks on its own
diff --git a/packages/meshbay-hub/src/meshbay_hub/static/platform.js b/packages/meshbay-hub/src/meshbay_hub/static/platform.js
index c131495..0174edc 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/platform.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/platform.js
@@ -204,6 +204,16 @@ export const folder = {
   async forget() { return bridge && bridge.folder ? bridge.folder.forget() : false; },
 };
 
+/**
+ * Music is playing: the shell keeps what playback needs awake (on a phone, the
+ * page itself with the screen off). A no-op in a browser.
+ */
+export const playback = {
+  keepAlive(on) {
+    if (bridge && bridge.playback) bridge.playback.keepAlive(on).catch(() => {});
+  },
+};
+
 /** Pick a directory to add as a group root. Returns { path, name } or null. */
 export const rootPicker = {
   available: Boolean(bridge && bridge.rootPicker),
diff --git a/packages/meshbay-hub/tests/test_android_cast.py b/packages/meshbay-hub/tests/test_android_cast.py
index a346d15..bc5264e 100644
--- a/packages/meshbay-hub/tests/test_android_cast.py
+++ b/packages/meshbay-hub/tests/test_android_cast.py
@@ -111,11 +111,13 @@ def test_relay_calls_keep_their_order():
         SRC / "bridge" / "Channels.kt")
 
 
-def test_screen_off_survival_is_switched_on_only_while_casting():
+def test_screen_off_survival_is_switched_on_only_while_casting_or_playing():
     activity = _read(SRC / "MainActivity.kt")
-    casting = activity.split("private fun casting(on: Boolean)", 1)[1].split("\n    }", 1)[0]
-    assert "web.keepVisible = on" in casting
-    assert "startForegroundService(service) else stopService(service)" in casting
+    keep = activity.split("private fun keepAlive()", 1)[1].split("\n    }\n", 1)[0]
+    assert "val on = casting || playing" in keep
+    assert "web.keepVisible = on" in keep
+    assert "if (!on) { stopService(service); return }" in keep
+    assert "startForegroundService(service)" in keep
     assert activity.count("keepVisible =") == 1, "the page is kept visible from one place only"
     view = _read(SRC / "shell" / "ShellWebView.kt")
     assert "var keepVisible = false" in view