refactor: use Episode type directly instead of SearchableEpisode

Remove the SearchableEpisode type alias and use the Episode type
directly as requested in code review.

Co-authored-by: RobbieTheWagner <2640861+RobbieTheWagner@users.noreply.github.com>

Author: Copilot

src/components/SearchDialog.tsx

@@ -1,14 +1,12 @@
 import type { JSX } from 'preact/jsx-runtime';
 import { useEffect, useState, useRef, useCallback } from 'preact/hooks';
 import { isSearchOpen } from './state';
-import type { SearchableEpisode } from '../lib/rss';
+import type { Episode } from '../lib/rss';
 
 export default function SearchDialog() {
   const [query, setQuery] = useState('');
-  const [episodes, setEpisodes] = useState<SearchableEpisode[]>([]);
-  const [filteredEpisodes, setFilteredEpisodes] = useState<SearchableEpisode[]>(
-    []
-  );
+  const [episodes, setEpisodes] = useState<Episode[]>([]);
+  const [filteredEpisodes, setFilteredEpisodes] = useState<Episode[]>([]);
   const [selectedIndex, setSelectedIndex] = useState(0);
   const inputRef = useRef<HTMLInputElement>(null);
   const resultsRef = useRef<HTMLDivElement>(null);

src/lib/rss.ts

@@ -31,12 +31,6 @@ export interface Episode {
   };
 }
 
-// Subset of Episode for search functionality
-export type SearchableEpisode = Pick<
-  Episode,
-  'id' | 'title' | 'description' | 'episodeNumber' | 'episodeSlug' | 'episodeThumbnail'
->;
-
 let showInfoCache: Show | null = null;
 
 export async function getShowInfo() {

src/pages/api/episodes/search.json.ts

@@ -1,22 +1,12 @@
 import type { APIRoute } from 'astro';
-import { getAllEpisodes, type SearchableEpisode } from '../../../lib/rss';
+import { getAllEpisodes } from '../../../lib/rss';
 
 export const prerender = true;
 
 export const GET: APIRoute = async () => {
   const allEpisodes = await getAllEpisodes();
 
-  // Return a simplified list of episodes optimized for search
-  const searchableEpisodes: SearchableEpisode[] = allEpisodes.map((episode) => ({
-    id: episode.id,
-    title: episode.title,
-    description: episode.description,
-    episodeNumber: episode.episodeNumber,
-    episodeSlug: episode.episodeSlug,
-    episodeThumbnail: episode.episodeThumbnail
-  }));
-
-  return new Response(JSON.stringify(searchableEpisodes), {
+  return new Response(JSON.stringify(allEpisodes), {
     headers: {
       'Content-Type': 'application/json'
     }