- Added portable .exe option for Windows and architecture details for macOS/Linux
- Changed "OpenAI Codex" to "Codex" to match agent-detector.ts naming convention
- Added planned agents (Aider, Gemini CLI, Qwen3 Coder) with repository links
- Added "Building from Source" section with Node.js 22+ requirement
- Used em-dashes for consistency with other documentation files