Add YouTube OAuth support for personalized feeds

Cargo.toml

@@ -29,6 +29,8 @@ futures = "0.3"
 urlencoding = "2"
 open = "5"
 textwrap = "0.16"
+oauth2 = "4"
+base64 = "0.22"
 
 [dev-dependencies]
 tempfile = "3"

src/app.rs

@@ -18,9 +18,8 @@ use crossterm::{
 use ratatui::{
     backend::CrosstermBackend,
     layout::{Constraint, Direction, Layout},
-    Frame,
-    Terminal,
-    prelude::Rect
+    prelude::Rect,
+    Frame, Terminal,
 };
 use std::io::{self, Stdout};
 use std::path::PathBuf;
@@ -409,8 +408,8 @@ impl App {
 
     fn render_status_message(&self, frame: &mut Frame, area: Rect) {
         if let Some((message, _)) = &self.status_message {
-            use ratatui::widgets::{Block, Borders, Clear, Paragraph};
             use ratatui::style::{Color, Style};
+            use ratatui::widgets::{Block, Borders, Clear, Paragraph};
 
             let width = (message.len() + 4).min(area.width as usize) as u16;
             let x = area.width.saturating_sub(width).saturating_sub(2);

src/config.rs

@@ -180,18 +180,49 @@ fn default_max_commits() -> usize {
     10
 }
 
+/// YouTube feed types for personalized content
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+#[serde(rename_all = "snake_case")]
+pub enum YoutubeFeedType {
+    /// Public search/channel videos (uses API key)
+    Public,
+    /// User's subscriptions feed (requires OAuth)
+    Subscriptions,
+    /// User's liked videos playlist (requires OAuth)
+    LikedVideos,
+    /// User's Watch Later playlist (requires OAuth)
+    WatchLater,
+}
+
+impl Default for YoutubeFeedType {
+    fn default() -> Self {
+        YoutubeFeedType::Public
+    }
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct YoutubeConfig {
     #[serde(default = "default_youtube_title")]
     pub title: String,
-    pub api_key: String,
+    /// API key for public API access (required for public feed type)
+    #[serde(default)]
+    pub api_key: Option<String>,
     #[serde(default)]
     pub channels: Vec<String>,
     #[serde(default)]
     pub search_query: Option<String>,
     #[serde(default = "default_max_videos")]
     pub max_videos: usize,
     pub position: Position,
+    /// OAuth client ID for personalized feeds
+    #[serde(default)]
+    pub client_id: Option<String>,
+    /// OAuth client secret for personalized feeds
+    #[serde(default)]
+    pub client_secret: Option<String>,
+    /// Type of feed to display
+    #[serde(default)]
+    pub feed_type: YoutubeFeedType,
 }
 
 fn default_youtube_title() -> String {

src/feeds/mod.rs

@@ -4,6 +4,7 @@ pub mod rss;
 pub mod sports;
 pub mod stocks;
 pub mod youtube;
+pub mod youtube_oauth;
 
 use anyhow::Result;
 use async_trait::async_trait;