Add mastery JSON schema and salvage-only Slice 4 catalog with tier/branch freeze; extend validate_content.py for skillId, perkId, and branch gates; update E2.M3 decomposition, content README, and implementation plan. |
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| .. | ||
| architecture | ||
| decomposition | ||
| game-design | ||
| manual-qa | ||
| plans | ||
| reviews | ||