Cantonese.md

Use when creating new Cantonese idiom (歇後語) content — covers file scaffolding with gen:content, frontmatter completion, factual research, and free-form Cantonese content writing

Use when writing, reviewing, or editing any content in Cantonese — covers traditional character correctness, Cantonese-vs-Mandarin vocabulary, natural sentence patterns, and spoken-Cantonese tone