62 dự án + 71 hạng mục + 3 NCC real loaded prod (SeedRealMasterDataAsync ungated). Mig 48 AddProjectMasterFields. STATUS/HANDOFF/session log + CLAUDE.md root mig count + ef-core SKILL migration table. 2 agent return truncated (BE+reviewer) → em main disk/runtime-recover lesson. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>