1 files changed, 30 insertions, 0 deletions
diff --git a/packages/meshbay-hub/src/meshbay_hub/static/platform.js b/packages/meshbay-hub/src/meshbay_hub/static/platform.js
index c131495..28817c7 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),
@@ -450,6 +460,17 @@ export const cast = {
     if (!bridge || !bridge.cast || !bridge.cast.subtitle) return null;
     return bridge.cast.subtitle(sub);
   },
+  // A whole file for the receiver — a photo already scaled to the television,
+  // a music track — as `{ bytes, type, cover?: { bytes, type }, title?,
+  // artist?, album? }`; answers `{ url }` to load. Absent from an older
+  // shell, so callers check `canSendFiles`.
+  get canSendFiles() {
+    return Boolean(bridge && bridge.cast && bridge.cast.file);
+  },
+  async file(f) {
+    if (!this.canSendFiles) return null;
+    return bridge.cast.file(f);
+  },
   async finish() {
     if (!bridge || !bridge.cast) return false;
     return bridge.cast.finish();
@@ -510,6 +531,15 @@ export const cast = {
     if (!this.canControl) return null;
     return bridge.cast.chromecastPlay();
   },
+  // Seeking inside a file the receiver plays (a track); a film seeks by
+  // restarting the relay instead.
+  get canSeek() {
+    return Boolean(bridge && bridge.cast && bridge.cast.chromecastSeek);
+  },
+  async chromecastSeek(seconds) {
+    if (!this.canSeek) return null;
+    return bridge.cast.chromecastSeek(seconds);
+  },
 };
 
 /**