Add cross-platform text clipboard operations (macOS, Linux, Windows) with OSC 52 support for SSH/tmux environments. Wire up onMouseUp and Ctrl+Y in the TUI to copy selected text to the system clipboard via OpenTUI's renderer selection API.
Features: - Interactive TUI with React/Ink - Autonomous agent with tool calls (bash, read, write, edit, glob, grep) - Permission system with pattern-based rules - Session management with auto-compaction - Dual providers: GitHub Copilot and Ollama - MCP server integration - Todo panel and theme system - Streaming responses - GitHub-compatible project context