Catalog migration for the shield reserve ruling (docs/stats-and-power-cut.md). Scans
every GearData- and ConsumableItemData-hosted ShieldData, derives Capacity from
EnergyUsage (a per-damage-point multiplier, not an energy quantity -- capacity =
10 raw damage points x max(1, EnergyUsage) x cell count) and flat starting durations
(2s refill, 12s restore), and prints a derivation table. Dry run unless passed
"apply"; writes nothing if commit fails partway (single Cache.Commit batch).
GameData/Aetheria.cc is unchanged by this commit: the shipped catalog holds zero
ShieldData records (the pre-Cut-4 probe's 348-instance PerformanceStat table never
lists ShieldData among its owners either -- consistent with GameData/Aetheria.cc
being the post-breach bare-minimum rebuild, not the full pre-breach consumer set).
shield-migrate reports "0 shield designs" against it today and will migrate real
designs as soon as any are authored.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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