feat: Apply fixes for type errors and unused variables

frontend/src/App.tsx

@@ -1,4 +1,3 @@
-import React from 'react';
 import './app/globals.css';
 import RootLayout from './app/layout';
 import Home from './app/page';

frontend/src/app/page.tsx

@@ -1,4 +1,3 @@
-import React from "react";
 import FeedList from "../components/FeedList";
 import EpisodePlayer from "../components/EpisodePlayer";
 

frontend/src/components/EpisodePlayer.tsx

@@ -1,6 +1,4 @@
-"use client";
-
-import React, { useEffect, useState } from "react";
+import { useEffect, useState } from "react";
 
 interface Episode {
   id: string;
@@ -13,7 +11,6 @@ interface Episode {
 export default function EpisodePlayer() {
   const [episodes, setEpisodes] = useState<Episode[]>([]);
   const [selectedEpisode, setSelectedEpisode] = useState<Episode | null>(null);
-  const [isPlaying, setIsPlaying] = useState(false);
   const [audioUrl, setAudioUrl] = useState<string | null>(null);
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState<string | null>(null);

frontend/src/components/FeedList.tsx

@@ -1,8 +1,4 @@
-"use client";
-
-"use client";
-
-import React, { useEffect, useState } from "react";
+import { useEffect, useState } from "react";
 
 interface FeedItem {
   id: string;

scripts/fetch_and_generate.ts

@@ -29,18 +29,22 @@ async function main() {
         pub.getMonth() === yesterday.getMonth() &&
         pub.getDate() === yesterday.getDate()
       ) {
-        const already = await markAsProcessed(url, item.id);
+        const already = await markAsProcessed(url, item['id'] as string);
         if (already) continue;
 
-        const scriptText = await openAI_GenerateScript(item);
-        const audioFilePath = await generateTTS(item.id, scriptText);
+        const scriptText = await openAI_GenerateScript({
+          title: item.title ?? "",
+          link: item.link ?? "",
+          contentSnippet: item.contentSnippet ?? "",
+        });
+        const audioFilePath = await generateTTS(item['id'] as string, scriptText);
 
         await saveEpisode({
-          id: item.id,
-          title: item.title,
+          id: item['id'] as string,
+          title: item.title ?? "",
           pubDate: pub.toISOString(),
           audioPath: audioFilePath,
-          sourceLink: item.link,
+          sourceLink: item.link ?? "",
         });
       }
     }

server.ts

@@ -19,7 +19,6 @@ if (!fs.existsSync(dbPath)) {
 db.exec(fs.readFileSync(path.join(projectRoot, "schema.sql"), "utf-8"));
 
 // 静的ファイルパスの設定
-const frontendPublicDir = path.join(projectRoot, "frontend", "public");
 const frontendBuildDir = path.join(projectRoot, "frontend", "dist");
 const podcastAudioDir = path.join(projectRoot, "static", "podcast_audio");
 const generalPublicDir = path.join(projectRoot, "public");
@@ -71,7 +70,8 @@ app.get("/assets/*", async (c) => {
       : filePath.endsWith(".css")
       ? "text/css"
       : "application/octet-stream";
-    return c.body(file, 200, { "Content-Type": contentType });
+    const blob = await file.blob();
+    return c.body(blob, 200, { "Content-Type": contentType });
   }
   return c.notFound();
 });
@@ -82,7 +82,8 @@ app.get("/podcast_audio/*", async (c) => {
   const audioFilePath = path.join(podcastAudioDir, audioFileName);
   const file = Bun.file(audioFilePath);
   if (await file.exists()) {
-    return c.body(file, 200, { "Content-Type": "audio/mpeg" });
+    const blob = await file.blob();
+    return c.body(blob, 200, { "Content-Type": "audio/mpeg" });
   }
   return c.notFound();
 });
@@ -93,7 +94,8 @@ app.get("/podcast.xml", async (c) => {
   try {
     const file = Bun.file(filePath);
     if (await file.exists()) {
-      return c.body(file, 200, {
+      const blob = await file.blob();
+      return c.body(blob, 200, {
         "Content-Type": "application/xml; charset=utf-8",
       });
     }
@@ -109,7 +111,8 @@ app.get("/", async (c) => {
   const file = Bun.file(indexPath);
   if (await file.exists()) {
     console.log(`Serving index.html from ${indexPath}`);
-    return c.body(file, 200, { "Content-Type": "text/html; charset=utf-8" });
+    const blob = await file.blob();
+    return c.body(blob, 200, { "Content-Type": "text/html; charset=utf-8" });
   }
   console.error(`index.html not found at ${indexPath}`);
   return c.notFound();
@@ -121,7 +124,8 @@ app.get("/index.html", async (c) => {
   const file = Bun.file(indexPath);
   if (await file.exists()) {
     console.log(`Serving index.html from ${indexPath}`);
-    return c.body(file, 200, { "Content-Type": "text/html; charset=utf-8" });
+    const blob = await file.blob();
+    return c.body(blob, 200, { "Content-Type": "text/html; charset=utf-8" });
   }
   console.error(`index.html not found at ${indexPath}`);
   return c.notFound();
@@ -133,7 +137,8 @@ app.get("*", async (c) => {
   const file = Bun.file(indexPath);
   if (await file.exists()) {
     console.log(`Serving index.html from ${indexPath}`);
-    return c.body(file, 200, { "Content-Type": "text/html; charset=utf-8" });
+    const blob = await file.blob();
+    return c.body(blob, 200, { "Content-Type": "text/html; charset=utf-8" });
   }
   console.error(`index.html not found at ${indexPath}`);
   return c.notFound();

services/database.ts

@@ -53,5 +53,5 @@ export async function saveEpisode(ep: Episode): Promise<void> {
 
 export async function fetchAllEpisodes(): Promise<Episode[]> {
   const stmt = db.prepare("SELECT * FROM episodes ORDER BY pubDate DESC");
-  return stmt.all();
+  return stmt.all() as Episode[];
 }