# Sitemap Application Feature Breakdown
## User Interface Features
### 1. Start Button
- Create a prominent button with the text "Start"
- Implement click event handler for the button
### 2. Running Indicator
- Display "Running" text when the application starts
- Implement animated ellipsis (...) after "Running" text
- Hide this indicator when tree node is displayed
### 3. Tree View
- Implement vertical tree structure for displaying site hierarchy
- Create expandable/collapsible nodes
- Display derived title as primary node text
- Display URL as a hyperlink below the title
- Implement click event to expand/collapse child nodes
- Implement click event on URL to open in new window
### 4. Message Display
- Create an area to display messages to the user
- Implement function to update this area with new messages
| A shadcn/ui and v0 generation - v0
