Major feature update: Enhanced RSS, voice fixes, dark mode, and UI improvements

## New Features
- Article Summary Mode: AI-generated 30-second summaries with complexity analysis
- Reading Stats Dashboard: Track articles read, listening time, and streaks
- Bookmark/Resume: Auto-save progress when pausing, resume from where you left off
- Audio Export: Export articles as downloadable WAV files
- RSS Feed Manager: Subscribe to feeds with real-time validation and 31+ recommendations
- Smart Speed: Auto-adjust playback based on article complexity
- Voice Moods: Quick presets for different listening scenarios

## RSS Enhancements
- Expanded recommendations from 8 to 31 sources across 5 categories:
  * General News (9 sources)
  * Technology (8 sources)
  * Business & Finance (5 sources)
  * Science & Research (5 sources)
  * International News (4 sources)
- Real-time URL validation with visual feedback
- Detailed error messages for different failure scenarios
- Always-visible categorized recommendations
- Auto-loading articles when feeds are added

## Bug Fixes
- Fixed voice selection: Selected voice now consistently applies to playback
- Implemented voice generation counter to prevent voice mixing between paragraphs
- Fixed speed control to snap to clean 0.5 increments (1.0, 1.5, 2.0, etc.)
- Fixed dark mode toggle by configuring Tailwind CDN for class-based dark mode
- Removed vibe visualizer animation

## UI/UX Improvements
- Redesigned voice selector with prominent voice panel and preview functionality
- Added voice cards with emojis and descriptions
- Enhanced feature toolbar with quick access to all new features
- Improved reader view with better typography and reading modes
- Added ambient reading modes (clean, sepia, night light)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

types.ts

@@ -22,7 +22,7 @@ export enum PlaybackStatus {
 export interface AudioSegment {
   id: string;
   text: string;
-  audioUrl?: string; // Blob URL for this specific segment
+  audioUrl?: string;
   isLoading: boolean;
   hasError: boolean;
 }
@@ -31,13 +31,20 @@ export interface Article {
   id: string;
   url: string;
   title: string;
-  // We keep the full text for display/reference
   text: string;
-  // We split content into segments for faster playback
   segments: AudioSegment[];
-  currentSegmentIndex: number; 
+  currentSegmentIndex: number;
   status: PlaybackStatus;
   errorMessage?: string;
+  // New fields for enhanced features
+  summary?: string;
+  summaryAudioUrl?: string;
+  isSummaryLoading?: boolean;
+  complexity?: 'simple' | 'moderate' | 'complex';
+  wordCount?: number;
+  estimatedReadTime?: number; // in minutes
+  addedAt?: number; // timestamp
+  fromRssFeed?: string; // RSS feed ID if applicable
 }
 
 export interface PlayerState {
@@ -45,6 +52,8 @@ export interface PlayerState {
   playbackRate: number;
   currentArticleId: string | null;
   selectedVoice: VoiceName;
+  voiceMood: VoiceMood;
+  smartSpeedEnabled: boolean;
 }
 
 export interface ReaderSettings {
@@ -57,3 +66,58 @@ export interface ReaderSettings {
   pageWidth: 'cozy' | 'standard' | 'wide';
   zenMode: boolean;
 }
+
+// Voice Moods - preset configurations
+export type VoiceMood = 'neutral' | 'energetic' | 'calm' | 'professional' | 'bedtime';
+
+export interface VoiceMoodConfig {
+  id: VoiceMood;
+  label: string;
+  emoji: string;
+  description: string;
+  recommendedVoice: VoiceName;
+  recommendedSpeed: number;
+}
+
+// Reading Stats
+export interface ReadingStats {
+  totalArticlesRead: number;
+  totalMinutesListened: number;
+  totalWordsRead: number;
+  currentStreak: number; // days
+  longestStreak: number;
+  lastReadDate: string; // ISO date string
+  articlesPerDay: Record<string, number>; // date -> count
+  favoriteVoice: VoiceName;
+  voiceUsage: Record<VoiceName, number>;
+}
+
+// Bookmarks for resume functionality
+export interface Bookmark {
+  articleId: string;
+  url: string;
+  title: string;
+  segmentIndex: number;
+  savedAt: number; // timestamp
+  progress: number; // 0-100 percentage
+}
+
+// RSS Feed subscriptions
+export interface RSSFeed {
+  id: string;
+  url: string;
+  title: string;
+  description?: string;
+  lastFetched?: number;
+  articleCount?: number;
+  isActive: boolean;
+  addedAt: number;
+}
+
+export interface RSSArticle {
+  title: string;
+  url: string;
+  description?: string;
+  pubDate?: string;
+  feedId: string;
+}