Merge branch 'develop' into fix/ui-and-bugs

Resolve TechnicalInfoOverlay buffer line: keep the i18n buffer_seconds key and
append the mpv demuxer-cache caps from develop (#1765).
Fix TV tab _layout index-segment comparison after develop's route-name union change.

app/(auth)/(tabs)/_layout.tsx

@@ -51,7 +51,8 @@ function TVTabLayout() {
 
   const currentTab = segments.find(isTabRoute);
   const lastSegment = segments[segments.length - 1] ?? "";
-  const atTabRoot = isTabRoute(lastSegment) || lastSegment === "index";
+  const atTabRoot =
+    isTabRoute(lastSegment) || (lastSegment as string) === "index";
 
   const tabs: TVNavBarTab[] = useMemo(
     () =>

app/(auth)/player/direct-player.tsx

@@ -456,10 +456,23 @@ export default function DirectPlayerPage() {
     });
     reportPlaybackStopped();
     setIsPlaybackStopped(true);
-    videoRef.current?.pause();
+    // Synchronously destroy the mpv instance + decoder + surface buffers
+    // BEFORE the screen unmounts. Otherwise the next screen (or the next
+    // episode's player) mounts while the old 4K decoder is still alive,
+    // causing OOM on low-RAM devices. Native stop() is idempotent so the
+    // later React unmount cleanup is still safe.
+    videoRef.current?.destroy().catch(() => {});
+    // Pre-libmpv-1.0 used `stop()`:
+    // videoRef.current?.stop();
     revalidateProgressCache();
     // Resume inactivity timer when leaving player (TV only)
     resumeInactivityTimer();
+    // Release the keep-awake wakelock acquired during playback so it
+    // doesn't follow us back to the home screen and block the TV
+    // screensaver. activateKeepAwakeAsync() is tag-scoped to this module
+    // and only released on the "paused" event; without this, navigating
+    // away mid-play leaves FLAG_KEEP_SCREEN_ON set on the window.
+    deactivateKeepAwake();
   }, [videoRef, reportPlaybackStopped, progress, resumeInactivityTimer]);
 
   useEffect(() => {
@@ -1105,6 +1118,15 @@ export default function DirectPlayerPage() {
         nextItem.UserData?.PlaybackPositionTicks?.toString() ?? "",
     }).toString();
 
+    // Destroy the current mpv instance BEFORE navigating so the old 4K
+    // decoder + surface buffers are freed before the new player screen
+    // mounts. Without this, Expo Router briefly holds two simultaneous
+    // mpv instances during the transition (~768 MB of surface buffers
+    // for two 4K HDR10+ decoders) and OOM-kills the app on low-RAM
+    // devices. Native stop() is idempotent so the subsequent React
+    // unmount cleanup is still safe.
+    videoRef.current?.destroy().catch(() => {});
+
     router.replace(`player/direct-player?${queryParams}` as any);
   }, [
     nextItem,
@@ -1115,6 +1137,7 @@ export default function DirectPlayerPage() {
     bitrateValue,
     router,
     isPlaybackStopped,
+    videoRef,
   ]);
 
   // Apply subtitle settings when video loads

app/_layout.tsx

@@ -7,6 +7,7 @@ import { onlineManager, QueryClient } from "@tanstack/react-query";
 import { PersistQueryClientProvider } from "@tanstack/react-query-persist-client";
 import * as BackgroundTask from "expo-background-task";
 import * as Device from "expo-device";
+import { Image } from "expo-image";
 import { DarkTheme, ThemeProvider } from "expo-router/react-navigation";
 import { Platform } from "react-native";
 import { GlobalModal } from "@/components/GlobalModal";
@@ -102,6 +103,22 @@ SplashScreen.setOptions({
   fade: true,
 });
 
+// Cap expo-image's in-memory cache. Default is unbounded (maxMemoryCost=0),
+// which on a 2GB Android TV box leads to ~200MB of decoded backdrops/posters
+// pinned in RAM after browsing. Caps are intentionally tighter on TV (which
+// has less RAM and runs alongside libmpv/MediaCodec) than on mobile.
+// Cost is measured in bytes of decoded bitmap (ARGB8888 = 4 bytes/pixel).
+try {
+  Image.configureCache({
+    maxMemoryCost: Platform.isTV
+      ? 8 * 1024 * 1024 // ~8 MB on TV
+      : 128 * 1024 * 1024, // ~128 MB on mobile
+    maxDiskSize: 200 * 1024 * 1024, // 200 MB disk cache on all platforms
+  });
+} catch {
+  // configureCache is a no-op on some platforms/versions; safe to ignore.
+}
+
 function useNotificationObserver() {
   const router = useRouter();