PyVizAST Release 0.7.1

Social Card Generator & UI Improvements

New Features:

• Social Card Generator: Generate shareable image cards from the Share dropdown
  • Brand card with AST visualization, logo, and feature highlights
  • 2D Preview card with captured AST visualization
  • 3D Preview card with captured 3D AST visualization
  • Black/white theme adaptation
  • PNG download (1200x630px standard social share size)

Toast System Improvements:

• Toast position moved to top-right of screen
• Simplified vertical stacking (removed complex stacking logic)
• Increased maximum toast limit from 5 to 15
• Increased border-radius from 16px to 24px for rounder corners

UI Enhancements:

• Share button now shows dropdown menu with "Share Code" and "Social Card" options
• Visualizer components expose captureScreenshot method for card generation
• Improved card preview modal with style selector

Known Issues:

• Social Card export may be unstable in certain browsers/conditions
• 3D visualization capture requires the 3D view to be fully rendered

Files Modified:

• frontend/src/components/SocialCardGenerator.js - New social card generator component
• frontend/src/components/Header.js - Share dropdown menu
• frontend/src/components/Toast.js - Simplified toast system
• frontend/src/components/ToastContext.js - Increased toast limit
• frontend/src/App.js - Screenshot capture handlers
• frontend/src/App.css - Social card styles, toast improvements
• frontend/src/components/ASTVisualizer.js - Screenshot capture method
• frontend/src/components/ASTVisualizer3D.js - Screenshot capture method