Notebrain Assistant · nmdra bundle Search and explore an Obsidian vault through the NoteBrain CLI (semantic search, tags, backlinks, connections, hidden links, boosted retrieval). Use it whenever the user mentions their notes, knowledge base, Obsidian vault, semantic search, finding connections or unlinked notes, or asks exploratory questions like "what do I know about X", "find notes related to Y", "what connects to Z", "summarize my notes on W", "what does this note reference or embed", or "are any links broken" — even when they never say NoteBrain, vector search, or ChromaDB.