Some cleanup, a couple new features added.

CLAUDE.md

@@ -197,16 +197,21 @@ Timeline Item: "Alice posted: Hello world (3 replies, collapsed)"
 ```
 
 ### Key UI Components
-- **Timeline View**: AccessibleTreeWidget showing posts and threads
+- **Timeline View**: AccessibleTreeWidget showing posts and threads with pagination
+- **Timeline Tabs**: Home, Mentions, Local, Federated timeline switching
 - **Compose Dialog**: Modal for creating posts with accessibility
-- **Settings Dialog**: Sound pack selection, accessibility options
+- **Settings Dialog**: Sound pack, desktop notifications, accessibility options
 - **Login Dialog**: Instance selection and authentication
+- **URL Selection Dialog**: Choose from multiple URLs in posts
+- **Context Menu**: Copy, URL opening, reply, boost, favorite actions
 
 ### Keyboard Shortcuts
 - **Ctrl+N**: New post
 - **Ctrl+R**: Reply to selected post
 - **Ctrl+B**: Boost selected post
 - **Ctrl+F**: Favorite selected post
+- **Ctrl+C**: Copy selected post to clipboard
+- **Ctrl+U**: Open URLs from selected post in browser
 - **F5**: Refresh timeline
 - **Ctrl+,**: Settings
 - **Escape**: Close dialogs
@@ -281,10 +286,24 @@ mention_enabled = true
 mention_volume = 1.0
 # ... other sound settings
 
+[notifications]
+enabled = true
+direct_messages = true
+mentions = true
+boosts = false
+favorites = false
+follows = true
+timeline_updates = false
+
+[timeline]
+posts_per_page = 40
+
 [accessibility]
 announce_thread_state = true
 auto_expand_mentions = false
 keyboard_navigation_wrap = true
+page_step_size = 5
+verbose_announcements = true
 ```
 
 ### Account Storage