- rm vm-map/opcodes-himegari.json, vm-map/himegari-opcode-notes.md (folded into opcodes.toml; in history) - PROJECT-STRUCTURE.md: opcodes.toml single-source-of-truth + generated artifacts + convention - repoint dead references in vm-mapping-plan/sys4-format-notes/himegari-port-reference/phase-a-slice-plan Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>