Kelsi a67dca5787 Add overlay extraction for multi-expansion asset deduplication ... Extracts each expansion's assets as a CRC-compared overlay against a base manifest, storing only files that differ. Auto-detects overlay mode when a base manifest already exists. Adds --as-overlay, --full-base flags and manifest merge for partial extractions.		2026-02-14 03:09:17 -08:00
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expansions	Add overlay extraction for multi-expansion asset deduplication	2026-02-14 03:09:17 -08:00