brain-authoring

Create and edit vault-tier notes in the user's local second-brain via the brain CLI. Use this skill when the user wants to start a new note, open or create today's daily entry, rename an existing note (with reference refactoring), edit a note's frontmatter or body, add/remove tags, ask the LLM to propose tags, or quarantine / un-quarantine a note as draft. Also covers the wikilink graph between documents — what…