https://news.soranoru.com/articles/anthropic-has-nearly-stopped-hiring-junior-staff-because-ai-agen-rfzbs8o0 Soranoru News ja 2026-10-18T13:22:26.000Z Anthropicが初級職の採用を大幅縮小、AIエージェントの稼働時間が社員の6倍に到達