- Rename SubAgentScope → AgentHeadless and runNonInteractive → execute
- Move agents-collab/ into agents/ with new runtime/ subdirectory
- Split subagent.ts into agent-core.ts and agent-headless.ts
- Update all event types, emitters, and statistics classes
BREAKING CHANGE: SubAgentScope renamed to AgentHeadless;
runNonInteractive() renamed to execute()
Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>