- Add 2 new team templates: 教育培训团队 (4 roles) and 天工平台工程团队 (5 roles)
- Fix orchestrator to support multi-template workflow types (remove hardcoded PM planner)
- Add _resolve_planner_role() to auto-detect planner based on team.config.workflow
- Add frontend buttons and API clients for new templates
- Merge 14 preset roles from 3 template families in get_preset_roles()
- Add creation guide and platform engineering usage docs
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>