setup-vault-types

Use when configuring which document types a vault tracks: after installing ai-brain-starter, when a new kind of note appears (journals, books, meetings, clients, podcasts, travel, WhatsApp/Slack/iMessage exports), when extraction skips files because no extractor matches their type, or to add, list, or remove a custom type. Triggers: /setup-vault-types, "set up vault types", "add a note type", "enable an extractor".…