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Stage 9C of the bootstrap-seed-refactor: - Add 6 seed DTOs for the card-id-keyed load-index tables (SpotCard, ReprintedCard, UnlimitedRestriction, LoadingExclusionCard, MaintenanceCard, FeatureMaintenance). - Add CardListsImporter: idempotent upsert of the 6 tables, sharing one Cards FK set for orphan-warning. FeatureMaintenances clear-and-rewrites (synthetic ordinal Id; no natural key). - Add RotationFlagUpdater: reads RotationConfig.RotationCardSetIds from the GameConfigs section (populated by RotationConfigImporter) and flips CardSet.IsInRotation to match. - Add RotationConfig.RotationCardSetIds list property + wire it through RotationConfigImporter. No migration needed (sections are JSON blobs). - RotationConfigImporter: use legacy local-kind DateTime parse for schedule windows so the JSON round-trip stays byte-equivalent to GlobalsImporter. - Strip GlobalsImporter down to a no-op stub (Task 10 will delete it). - Wire all 9 new importers into Program.cs and SVSimTestFactory.SeedGlobalsAsync, in the order RotationConfigImporter -> ... -> CardListsImporter -> RotationFlagUpdater. - Delete prod-captures/load-index-2026-05-23.json. - Add CardListsImporterTests covering each sub-table, idempotency, empty-seed handling, orphan-warning, and the clear-and-rewrite path. Tests: 391 passing (382 baseline + 9 new). Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>