tools.claude: use llm.claude-code, add skills and permissions
- Package from llm.claude-code (llm-agents.nix)
- Skills: websearch (kagi-search), nix-workflow, hedgedoc,
reverse-engineering
- Comprehensive permission allow-list: nix/clan, git, common
CLI tools, file operations, dev tools
- Extra packages on PATH: kagi-search, curl, jq, ripgrep, fd, tree