fix(tv): "See All" opens library and Back returns to library list (#1782)

app/(auth)/(tabs)/(libraries)/[libraryId].tsx

@@ -12,11 +12,16 @@ import {
 import { FlashList } from "@shopify/flash-list";
 import { useInfiniteQuery, useQuery } from "@tanstack/react-query";
 import { Image } from "expo-image";
-import { useLocalSearchParams, useNavigation } from "expo-router";
+import {
+  useFocusEffect,
+  useLocalSearchParams,
+  useNavigation,
+} from "expo-router";
 import { useAtom } from "jotai";
-import React, { useCallback, useEffect, useMemo } from "react";
+import React, { useCallback, useEffect, useMemo, useRef } from "react";
 import { useTranslation } from "react-i18next";
 import {
+  BackHandler,
   FlatList,
   Platform,
   ScrollView,
@@ -80,8 +85,9 @@ const Page = () => {
     sortBy?: string;
     sortOrder?: string;
     filterBy?: string;
+    fromSeeAll?: string;
   };
-  const { libraryId } = searchParams;
+  const { libraryId, fromSeeAll } = searchParams;
 
   const typography = useScaledTVTypography();
   const posterSizes = useScaledTVPosterSizes();
@@ -112,6 +118,22 @@ const Page = () => {
   const { t } = useTranslation();
   const router = useRouter();
   const { showOptions } = useTVOptionModal();
+
+  // When this library detail was opened from the home "See All" button, its
+  // libraries stack is just [detail], so the default TV Back would exit to home.
+  // Intercept Back (scoped to while this screen is focused via useFocusEffect) and
+  // route to the library list instead, so the user can switch libraries. Normal
+  // entries from the list keep their native pop-to-list behavior.
+  useFocusEffect(
+    useCallback(() => {
+      if (!Platform.isTV || fromSeeAll !== "true") return;
+      const sub = BackHandler.addEventListener("hardwareBackPress", () => {
+        router.replace("/(auth)/(tabs)/(libraries)");
+        return true;
+      });
+      return () => sub.remove();
+    }, [fromSeeAll, router]),
+  );
   const { showItemActions } = useTVItemActionModal();
 
   // TV Filter queries
@@ -269,6 +291,23 @@ const Page = () => {
     });
   }, [library]);
 
+  // If this See-All detail was deep-linked on top of the libraries index, collapse
+  // the libraries stack to just this screen. Otherwise the stack is [index, detail],
+  // which the native bottom tab reliably auto-pops back to the index (the detail
+  // "bounces" to the library list ~0.5s after opening). With [detail] alone it stays
+  // put, and Back is handled explicitly by the fromSeeAll interceptor above.
+  const didCollapseRef = useRef(false);
+  useEffect(() => {
+    if (!Platform.isTV || fromSeeAll !== "true" || didCollapseRef.current)
+      return;
+    const state = navigation.getState();
+    if (state?.routes && state.routes.length > 1) {
+      didCollapseRef.current = true;
+      const top = state.routes[state.routes.length - 1];
+      navigation.reset({ index: 0, routes: [top] } as any);
+    }
+  }, [navigation, fromSeeAll]);
+
   const fetchItems = useCallback(
     async ({
       pageParam,

components/home/InfiniteScrollingCollectionList.tv.tsx

@@ -201,12 +201,18 @@ export const InfiniteScrollingCollectionList: React.FC<Props> = ({
 
   const handleSeeAllPress = useCallback(() => {
     if (!parentId) return;
+    // Navigate into the library detail (lives in the libraries tab) sorted by most
+    // recently added. The `fromSeeAll` flag tells the detail page to (a) collapse
+    // the libraries stack so the native tab can't auto-pop it back to the list, and
+    // (b) intercept Back to route to the library list so the user can switch
+    // libraries. See app/(auth)/(tabs)/(libraries)/[libraryId].tsx.
     router.push({
-      pathname: "/(auth)/(tabs)/(libraries)/[libraryId]",
+      pathname: "/[libraryId]",
       params: {
         libraryId: parentId,
         sortBy: SortByOption.DateCreated,
         sortOrder: SortOrderOption.Descending,
+        fromSeeAll: "true",
       },
     } as any);
   }, [router, parentId]);
@@ -348,11 +354,14 @@ export const InfiniteScrollingCollectionList: React.FC<Props> = ({
           // contentOffset={{ x: -sizes.padding.horizontal, y: 0 }}
           // contentContainerStyle={{ paddingVertical: SCALE_PADDING }}
           ListFooterComponent={
+            // No fixed width: the footer must size to the "See All" card so the
+            // FlatList's scrollable content extends to fully reveal it. A fixed
+            // (narrow) width clipped the card at the right edge. Trailing space is
+            // provided by contentContainerStyle.paddingRight.
             <View
               style={{
                 flexDirection: "row",
                 alignItems: "center",
-                width: sizes.padding.horizontal,
               }}
             >
               {isFetchingNextPage && (