Opus 4.8 introduced fifth editorial intervention type: Type E continuity observation. Characteristics: narrative element re-opens earlier established beat reader may notice redundancy but arc is coherent and forward-moving. Resolution: publish as-is with gentle note suggesting bridging line. Differs from Type A (narrative fork) which requires resolution before publishing. Type E is lowest-severity intervention — quality polish not error correction. Opus 4.8 editorial judgment: publish now improve later. Demonstrates nuanced editorial decision-making beyond binary approve/reject.