TL;DR — AI Code Assistant

Design an AI-powered code assistant similar to GitHub Copilot or Cursor. The system provides real-time code completions, chat-based code generation, and inline code editing within IDEs. It must understand project context, respect language semantics, and deliver suggestions with sub-second latency. Key features: Inline code completion triggered by typing with ghost text preview. Chat interface for code generation, explanation, and refactoring.