Align codex version with Claude version's team_msg message bus for frontend pipeline UI integration: - Phase 2: create .msg/ dir, write meta.json with pipeline_stages/roles, init messages.jsonl with session event - Phase 4: log task completion events, update role_state in meta.json - Phase 5: update meta.json status to completed, log shutdown event - SKILL.md: document .msg/ in session directory and add schema reference
docs: add team lifecycle orchestrator skill documentation with detailed architecture, agent registry, and execution phases docs: introduce team planex skill for issue-by-issue execution with Codex CLI, including input parsing and session management
