LLM-powered personal wiki knowledge base system. Use this when user wants to build and maintain a persistent wiki using LLMs following the LLM Wiki pattern (karpathy/442a6bf555914893e9891c11519de94f). This system implements: wiki initialization (two-layer architecture - wiki content and schema), source ingestion with cross-reference maintenance, querying with synthesis and citations, health checking (lint), and schema management. Source files are stored externally (e.g., in project's raw/ folder), not copied into the wiki. Perfect for: personal knowledge management, research wikis, reading companions, team knowledge bases. Triggers on: wiki knowledge base, LLM wiki, personal wiki, build wiki, knowledge management, or any mention of organizing accumulated knowledge with an LLM.