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• Expand all parameter descriptions to 50-150 characters. Include format expectations (e.g., 'Path to file relative to virtual root, max 256 chars, no .. traversal'), valid ranges, and dependencies on other parameters.
• Document output schemas for every tool. Example for list_files: 'Returns {files: [{name, size_bytes, modified_at}], total_count, next_cursor}'.
• Add error recovery guidance to all tools. Example: 'If write_file returns permission_denied, the virtual file system may be read-only for this operation. Check init_tau2_env permissions.'
• Wrap execute_python_code in a sandboxed subprocess with timeout, memory limits, and forbidden module blacklist. Add a dry_run parameter to preview code without executing. Require explicit 'irreversible' flag in agent calls.
• Add confirmation prompts or dry-run modes for destructive tools (write_file, execute_python_code, init_tau2_env). Example: write_file returns 'Preview: [content snippet]. Confirm with write_file_confirmed=true?'
• Clarify the functional difference between validate_html and check_responsive_design in their descriptions. If they serve the same input, consolidate or document when each should be called.
• Add enum constraints where applicable. Example: domain parameter in init_tau2_env should list valid domains ('telecom', 'ecommerce', etc.) or document how to discover them.
• Separate the mini-program tools from tau2 tools into distinct logical groupings in the tool manifest, or document which tools are meant for which workflows.