Ma eee8950989 fix: make book creation fail closed 7 月之前
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2026-03-28-v0.6.3-hardening-plan.md eba4a54ae4 feat: harden v0.6.3 safety guards and migration hints 7 月之前
2026-03-29-book-create-atomic-init-design.md eee8950989 fix: make book creation fail closed 7 月之前
2026-03-29-book-create-atomic-init-implementation-plan.md eee8950989 fix: make book creation fail closed 7 月之前