launch.max becomes launch.models plus launch.limits (total, providers, exact provider/model). The launcher re-reads limits on every attempt. Settings and `mosaic limits` write through one locked, journaled organization writer. `mosaic limits migrate` is print-only. Candidate 00b84e311475f97ced0d9a9599fba23a28442971ed15d8d489d9422d84a8812e, Rocko packet4b6e50636, Filbert round 2 approve (comment 28542). Landing gate at0c56cc2d4: 23 suites green. Decision 123 go from Mos. Co-Authored-By: Claude Opus 5.5 <[email protected]>