refactor: remove dead code

Delete unused components, hooks and utilities that have no remaining references, and drop their now-unused exports (augmentations/string, Number.prototype.hoursToMilliseconds). Also drop the dangling ExampleGlobalModalUsage reference from GLOBAL_MODAL_GUIDE.md.

components/posters/EpisodePoster.tsx

@@ -1,63 +0,0 @@
-import type { BaseItemDto } from "@jellyfin/sdk/lib/generated-client/models";
-import { Image } from "expo-image";
-import { useAtom } from "jotai";
-import { useMemo, useState } from "react";
-import { View } from "react-native";
-import { WatchedIndicator } from "@/components/WatchedIndicator";
-import { apiAtom } from "@/providers/JellyfinProvider";
-
-type MoviePosterProps = {
-  item: BaseItemDto;
-  showProgress?: boolean;
-};
-
-export const EpisodePoster: React.FC<MoviePosterProps> = ({
-  item,
-  showProgress = false,
-}) => {
-  const [api] = useAtom(apiAtom);
-
-  const url = useMemo(() => {
-    if (item.Type === "Episode") {
-      return `${api?.basePath}/Items/${item.ParentBackdropItemId}/Images/Thumb?fillHeight=389&quality=80&tag=${item.ParentThumbImageTag}`;
-    }
-  }, [item]);
-
-  const [progress, _setProgress] = useState(
-    item.UserData?.PlayedPercentage || 0,
-  );
-
-  const blurhash = useMemo(() => {
-    const key = item.ImageTags?.Primary as string;
-    return item.ImageBlurHashes?.Primary?.[key];
-  }, [item]);
-
-  return (
-    <View className='relative rounded-lg overflow-hidden border border-neutral-900'>
-      <Image
-        placeholder={{
-          blurhash,
-        }}
-        key={item.Id}
-        id={item.Id}
-        source={
-          url
-            ? {
-                uri: url,
-              }
-            : null
-        }
-        cachePolicy={"memory-disk"}
-        contentFit='cover'
-        style={{
-          aspectRatio: "10/15",
-          width: "100%",
-        }}
-      />
-      <WatchedIndicator item={item} />
-      {showProgress && progress > 0 && (
-        <View className='h-1 bg-red-600 w-full' />
-      )}
-    </View>
-  );
-};

components/posters/ParentPoster.tsx

@@ -1,48 +0,0 @@
-import { Image } from "expo-image";
-import { useAtom } from "jotai";
-import { useMemo } from "react";
-import { View } from "react-native";
-import { apiAtom } from "@/providers/JellyfinProvider";
-
-type PosterProps = {
-  id?: string;
-  showProgress?: boolean;
-};
-
-const ParentPoster: React.FC<PosterProps> = ({ id }) => {
-  const [api] = useAtom(apiAtom);
-
-  const url = useMemo(
-    () => `${api?.basePath}/Items/${id}/Images/Primary`,
-    [id],
-  );
-
-  if (!url || !id)
-    return (
-      <View
-        className='border border-neutral-900'
-        style={{
-          aspectRatio: "10/15",
-        }}
-      />
-    );
-
-  return (
-    <View className='rounded-lg overflow-hidden border border-neutral-900'>
-      <Image
-        key={id}
-        id={id}
-        source={{
-          uri: url,
-        }}
-        cachePolicy={"memory-disk"}
-        contentFit='cover'
-        style={{
-          aspectRatio: "10/15",
-        }}
-      />
-    </View>
-  );
-};
-
-export default ParentPoster;