Split conversational.py (2271 lines) into modular files: - tools.py: TOOL_REGISTRY, get_tool_registry(), SKILL_EMOJIS - help.py: format_* functions for slash command help - client.py: MiniMaxClient, SYSTEM_PROMPT, TOOLS definitions - agent.py: ConversationalAgent class with all methods - __init__.py: Public exports from all modules Updated bots.py import to use new module path. Deleted conversational.py.