Fix

frontend/eslint.config.js

@@ -0,0 +1,28 @@
+import js from '@eslint/js'
+import globals from 'globals'
+import reactHooks from 'eslint-plugin-react-hooks'
+import reactRefresh from 'eslint-plugin-react-refresh'
+import tseslint from 'typescript-eslint'
+
+export default tseslint.config(
+  { ignores: ['dist'] },
+  {
+    extends: [js.configs.recommended, ...tseslint.configs.recommended],
+    files: ['**/*.{ts,tsx}'],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+    },
+    plugins: {
+      'react-hooks': reactHooks,
+      'react-refresh': reactRefresh,
+    },
+    rules: {
+      ...reactHooks.configs.recommended.rules,
+      'react-refresh/only-export-components': [
+        'warn',
+        { allowConstantExport: true },
+      ],
+    },
+  },
+)

frontend/src/App.tsx

@@ -3,6 +3,7 @@ import "./app/globals.css";
 import Dashboard from "./components/Dashboard";
 import EpisodePlayer from "./components/EpisodePlayer";
 import FeedManager from "./components/FeedManager";
+import React from "react";
 
 type TabType = "dashboard" | "episodes" | "feeds";
 

frontend/src/app/page.tsx

@@ -2,6 +2,7 @@ import { useState } from "react";
 import FeedManager from "../components/FeedManager";
 import EpisodePlayer from "../components/EpisodePlayer";
 import Dashboard from "../components/Dashboard";
+import React from "react";
 
 export const metadata = {
   title: "Voice RSS Summary",

frontend/src/components/Dashboard.tsx

@@ -1,4 +1,5 @@
 import { useEffect, useState } from "react";
+import React from "react";
 
 interface Stats {
   totalFeeds: number;
@@ -66,6 +67,7 @@ export default function Dashboard() {
       }
     } catch (error) {
       alert("エラーが発生しました。");
+      console.error("Batch process trigger error:", error);
     }
   };
 

frontend/src/components/EpisodePlayer.tsx

@@ -1,4 +1,5 @@
 import { useEffect, useState, useRef } from "react";
+import React from "react";
 
 interface Episode {
   id: string;
@@ -55,7 +56,7 @@ export default function EpisodePlayer() {
       audio.removeEventListener("loadedmetadata", updateDuration);
       audio.removeEventListener("ended", handleEnded);
     };
-  }, [selectedEpisode]);
+  }, [selectedEpisode, isPlaying, audioRef, currentTime, duration]);
 
   const fetchEpisodes = async () => {
     try {

frontend/src/components/FeedList.tsx

@@ -1,4 +1,5 @@
 import { useEffect, useState } from "react";
+import React from "react";
 
 interface FeedItem {
   id: string;
@@ -18,12 +19,15 @@ interface FeedListProps {
   categoryFilter?: string;
 }
 
-export default function FeedList({ searchTerm = "", categoryFilter = "" }: FeedListProps = {}) {
+export default function FeedList({
+  searchTerm = "",
+  categoryFilter = "",
+}: FeedListProps = {}) {
   const [feeds, setFeeds] = useState<FeedItem[]>([]);
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState<string | null>(null);
-  const [sortBy, setSortBy] = useState<'date' | 'title'>('date');
+  const [sortBy, setSortBy] = useState<"date" | "title">("date");
-  const [sortOrder, setSortOrder] = useState<'asc' | 'desc'>('desc');
+  const [sortOrder, setSortOrder] = useState<"asc" | "desc">("desc");
 
   useEffect(() => {
     fetchFeeds();
@@ -47,43 +51,48 @@ export default function FeedList({ searchTerm = "", categoryFilter = "" }: FeedL
   };
 
   const filteredAndSortedFeeds = feeds
-    .filter(feed => {
+    .filter((feed) => {
-      const matchesSearch = !searchTerm || 
+      const matchesSearch =
+        !searchTerm ||
         feed.title.toLowerCase().includes(searchTerm.toLowerCase()) ||
         feed.contentSnippet?.toLowerCase().includes(searchTerm.toLowerCase()) ||
         feed.source?.title?.toLowerCase().includes(searchTerm.toLowerCase());
 
-      const matchesCategory = !categoryFilter || feed.category === categoryFilter;
+      const matchesCategory =
+        !categoryFilter || feed.category === categoryFilter;
 
       return matchesSearch && matchesCategory;
     })
     .sort((a, b) => {
-      const multiplier = sortOrder === 'asc' ? 1 : -1;
+      const multiplier = sortOrder === "asc" ? 1 : -1;
 
-      if (sortBy === 'date') {
+      if (sortBy === "date") {
-        return (new Date(a.pubDate).getTime() - new Date(b.pubDate).getTime()) * multiplier;
+        return (
+          (new Date(a.pubDate).getTime() - new Date(b.pubDate).getTime()) *
+          multiplier
+        );
       } else {
         return a.title.localeCompare(b.title) * multiplier;
       }
     });
 
-  const handleSort = (field: 'date' | 'title') => {
+  const handleSort = (field: "date" | "title") => {
     if (sortBy === field) {
-      setSortOrder(sortOrder === 'asc' ? 'desc' : 'asc');
+      setSortOrder(sortOrder === "asc" ? "desc" : "asc");
     } else {
       setSortBy(field);
-      setSortOrder('desc');
+      setSortOrder("desc");
     }
   };
 
   const formatDate = (dateString: string) => {
     try {
-      return new Date(dateString).toLocaleDateString('ja-JP', {
+      return new Date(dateString).toLocaleDateString("ja-JP", {
-        year: 'numeric',
+        year: "numeric",
-        month: 'short',
+        month: "short",
-        day: 'numeric',
+        day: "numeric",
-        hour: '2-digit',
+        hour: "2-digit",
-        minute: '2-digit'
+        minute: "2-digit",
       });
     } catch {
       return dateString;
@@ -94,7 +103,10 @@ export default function FeedList({ searchTerm = "", categoryFilter = "" }: FeedL
     return (
       <div className="space-y-6">
         {[...Array(5)].map((_, i) => (
-          <div key={i} className="glass-effect rounded-3xl p-6 border border-white/20 animate-pulse">
+          <div
+            key={i}
+            className="glass-effect rounded-3xl p-6 border border-white/20 animate-pulse"
+          >
             <div className="flex items-start space-x-4">
               <div className="w-16 h-16 bg-slate-200 rounded-2xl"></div>
               <div className="flex-1 space-y-3">
@@ -115,15 +127,14 @@ export default function FeedList({ searchTerm = "", categoryFilter = "" }: FeedL
       <div className="glass-effect rounded-3xl p-8 border border-red-200 bg-red-50">
         <div className="flex items-center space-x-4">
           <div className="w-12 h-12 rounded-2xl bg-red-100 flex items-center justify-center">
-⚠️
+            ⚠️
           </div>
           <div>
-            <h3 className="text-lg font-bold text-red-800">エラーが発生しました</h3>
+            <h3 className="text-lg font-bold text-red-800">
+              エラーが発生しました
+            </h3>
             <p className="text-red-700">{error}</p>
-            <button 
+            <button onClick={fetchFeeds} className="mt-3 btn-primary text-sm">
-              onClick={fetchFeeds}
-              className="mt-3 btn-primary text-sm"
-            >
               再読み込み
             </button>
           </div>
@@ -137,36 +148,34 @@ export default function FeedList({ searchTerm = "", categoryFilter = "" }: FeedL
       {/* Sort Controls */}
       <div className="glass-effect rounded-2xl p-4 border border-white/20">
         <div className="flex items-center space-x-4">
-          <span className="text-sm font-semibold text-slate-700">並び替え:</span>
+          <span className="text-sm font-semibold text-slate-700">
+            並び替え:
+          </span>
           <div className="flex space-x-2">
             <button
-              onClick={() => handleSort('date')}
+              onClick={() => handleSort("date")}
               className={`flex items-center space-x-2 px-3 py-1.5 rounded-lg text-sm font-medium transition-all duration-200 ${
-                sortBy === 'date'
+                sortBy === "date"
-                  ? 'bg-blue-100 text-blue-800 border border-blue-200'
+                  ? "bg-blue-100 text-blue-800 border border-blue-200"
-                  : 'text-slate-600 hover:text-slate-800 hover:bg-slate-100'
+                  : "text-slate-600 hover:text-slate-800 hover:bg-slate-100"
               }`}
             >
               <span>日時</span>
-              {sortBy === 'date' && (
+              {sortBy === "date" && (
-                <span>
+                <span>{sortOrder === "asc" ? "↑" : "↓"}</span>
-                  {sortOrder === 'asc' ? '↑' : '↓'}
-                </span>
               )}
             </button>
             <button
-              onClick={() => handleSort('title')}
+              onClick={() => handleSort("title")}
               className={`flex items-center space-x-2 px-3 py-1.5 rounded-lg text-sm font-medium transition-all duration-200 ${
-                sortBy === 'title'
+                sortBy === "title"
-                  ? 'bg-blue-100 text-blue-800 border border-blue-200'
+                  ? "bg-blue-100 text-blue-800 border border-blue-200"
-                  : 'text-slate-600 hover:text-slate-800 hover:bg-slate-100'
+                  : "text-slate-600 hover:text-slate-800 hover:bg-slate-100"
               }`}
             >
               <span>タイトル</span>
-              {sortBy === 'title' && (
+              {sortBy === "title" && (
-                <span>
+                <span>{sortOrder === "asc" ? "↑" : "↓"}</span>
-                  {sortOrder === 'asc' ? '↑' : '↓'}
-                </span>
               )}
             </button>
           </div>
@@ -179,17 +188,23 @@ export default function FeedList({ searchTerm = "", categoryFilter = "" }: FeedL
       {/* Feed Cards */}
       {filteredAndSortedFeeds.length === 0 ? (
         <div className="text-center py-20">
-          <div className="w-24 h-24 rounded-3xl flex items-center justify-center mx-auto mb-6 shadow-lg" style={{background: 'linear-gradient(135deg, #e2e8f0, #cbd5e1)'}}>
+          <div
-            <span role="img" aria-hidden="true" className="text-4xl">📰</span>
+            className="w-24 h-24 rounded-3xl flex items-center justify-center mx-auto mb-6 shadow-lg"
+            style={{ background: "linear-gradient(135deg, #e2e8f0, #cbd5e1)" }}
+          >
+            <span role="img" aria-hidden="true" className="text-4xl">
+              📰
+            </span>
           </div>
           <h3 className="text-xl font-bold text-slate-700 mb-2">
-            {searchTerm || categoryFilter ? '検索結果がありません' : 'フィードがありません'}
+            {searchTerm || categoryFilter
+              ? "検索結果がありません"
+              : "フィードがありません"}
           </h3>
           <p className="text-slate-500 max-w-md mx-auto">
             {searchTerm || categoryFilter
-              ? '別のキーワードやカテゴリで検索してみてください' 
+              ? "別のキーワードやカテゴリで検索してみてください"
-              : 'RSSフィードを追加してバッチ処理を実行してください'
+              : "RSSフィードを追加してバッチ処理を実行してください"}
-            }
           </p>
         </div>
       ) : (
@@ -199,15 +214,20 @@ export default function FeedList({ searchTerm = "", categoryFilter = "" }: FeedL
               key={feed.id}
               className="group glass-effect rounded-3xl border border-white/20 hover:border-white/40 hover:shadow-2xl transition-all duration-300 overflow-hidden"
               style={{
-                animationDelay: `${index * 0.05}s`
+                animationDelay: `${index * 0.05}s`,
               }}
             >
               <div className="p-6">
                 <div className="flex items-start space-x-5">
                   {/* Article Icon */}
                   <div className="flex-shrink-0">
-                    <div className="w-16 h-16 rounded-2xl flex items-center justify-center shadow-lg group-hover:shadow-xl transition-all duration-300 group-hover:scale-110" style={{background: 'var(--gradient-primary)'}}>
+                    <div
-                      <span role="img" aria-hidden="true" className="text-2xl">📰</span>
+                      className="w-16 h-16 rounded-2xl flex items-center justify-center shadow-lg group-hover:shadow-xl transition-all duration-300 group-hover:scale-110"
+                      style={{ background: "var(--gradient-primary)" }}
+                    >
+                      <span role="img" aria-hidden="true" className="text-2xl">
+                        📰
+                      </span>
                     </div>
                   </div>
 
@@ -223,7 +243,9 @@ export default function FeedList({ searchTerm = "", categoryFilter = "" }: FeedL
                         {/* Meta Info */}
                         <div className="flex items-center space-x-3 mt-2 text-sm text-slate-600">
                           {feed.source?.title && (
-                            <span className="font-medium">{feed.source.title}</span>
+                            <span className="font-medium">
+                              {feed.source.title}
+                            </span>
                           )}
                           <span className="text-slate-400">•</span>
                           <span>{formatDate(feed.pubDate)}</span>
@@ -256,9 +278,7 @@ export default function FeedList({ searchTerm = "", categoryFilter = "" }: FeedL
                         元記事を読む →
                       </a>
 
-                      <div className="text-xs text-slate-400">
+                      <div className="text-xs text-slate-400">#{index + 1}</div>
-                        #{index + 1}
-                      </div>
                     </div>
                   </div>
                 </div>

frontend/src/components/FeedManager.tsx

@@ -1,4 +1,5 @@
 import { useEffect, useState } from "react";
+import React from "react";
 
 interface Feed {
   id: string;
@@ -76,6 +77,7 @@ export default function FeedManager() {
       }
     } catch (err) {
       alert("エラーが発生しました");
+      console.error("Feed addition error:", err);
     } finally {
       setAddingFeed(false);
     }

frontend/src/main.tsx

@@ -1,9 +1,10 @@
-import { StrictMode } from 'react'
+import { StrictMode } from "react";
-import { createRoot } from 'react-dom/client'
+import { createRoot } from "react-dom/client";
-import App from './App.tsx'
+import App from "./App.tsx";
+import React from "react";
 
-createRoot(document.getElementById('root')!).render(
+createRoot(document.getElementById("root")!).render(
   <StrictMode>
     <App />
   </StrictMode>,
-)
+);