roster-orchestrator

Bootstraps roster workspaces. On chat session start, surfaces unread decisions (HITL) as a single banner pointing at /inbox. On a scheduled fire, verifies the schedule is registered, resolves the agent's merged env, dispatches the named agent via the host tool's native subagent primitive, writes a run log + state.md entry, and exits. Reads roster/<function>/schedules.yaml plus pending items at both…