The ultragoal has advanced from Windows/docs readiness to Stream 9 session hygiene. Record the in-progress marker before launching the implementation team so ledger state matches the active work.
Constraint: .omx/ultragoal/goals.json and ledger.jsonl are the durable audit trail for stream transitions.
Confidence: high
Scope-risk: narrow
Tested: omx ultragoal start-next --json; get_goal confirmed aggregate Codex goal remains active
Co-authored-by: OmX <omx@oh-my-codex.dev>