Restructure ultrawork message generation to support agent-specific instructions. - Extract ultrawork message components into modular constants - Add getUltraworkMessage(agentName) function that adapts instructions based on agent type - Support planner-specific vs default agent execution patterns - Pass agentName parameter through detector.ts for message resolution 🤖 GENERATED WITH ASSISTANCE OF [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode)