"""Select calculation groups for server-owned report assembly, not writer input."""

GROUPS = {
    "strengths_and_scores": ("ashtakavarga", "shadbala", "functional_benefic_malefic"),
    "timing_and_predictive_systems": ("dasha", "annual_tajika_pack"),
    "advanced_systems": ("avasthas", "yogas_doshas", "sahams"),
    "divisional_and_special_charts": ("upagrahas", "special_lagnas", "sensitive_points", "varga_full"),
}


def report_density_packet(packet):
    worksheets = packet.get("worksheets", {})
    return {
        "core_chart": packet.get("core_chart", {}),
        "worksheets": {
            group: {key: worksheets.get(group, {})[key] for key in keys if key in worksheets.get(group, {})}
            for group, keys in GROUPS.items()
        },
    }