Use when user invokes /harness-compile or wants to compile a harness.yaml into native config files for Claude Code, Cursor, GitHub Copilot, Codex, OpenCode, Windsurf, Gemini CLI, or JetBrains Junie. Generates CLAUDE.md, AGENT.md, .mcp.json, .cursor/rules/, .vscode/mcp.json, AGENTS.md, and related files from a single harness.yaml source. Supports --target, --dry-run, and --clean flags.
