This preprint serves as a companion stage-closure analysis to the IRS II manuscript (https://doi.org/10.5281/zenodo.19425403). It clarifies closure status, scoped obligations, and the current boundary between established galactic-domain results and outstanding cross-scale program requirements. It is published as a supplement to the base IRS/SPARC v5.1 preprint (https://doi.org/10.5281/zenodo.18778895). It is additionally partially derived from the base Kit State Lifecycle (KSL) preprint (https://doi.org/10.5281/zenodo.18849957).
Robert Daniel Kitcey (Sun,) studied this question.
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