- Add complete help convention to the AFDATA spec: --help SHOULD expand all subcommands and flags in a single output so agents get the full CLI interface in one call, with subcommand --help scoped to that subtree only
- Rewrite CLI examples in all four languages (Rust, Python, Go, TypeScript) to use subcommands and demonstrate the complete help pattern, with tests verifying root help contains all subcommands and subcommand help is correctly scoped