Maintains James Carr's personal knowledge wiki in the Obsidian vault named wiki: ingesting sources, answering questions from existing notes, and auditing stale or weak knowledge. Use when adding knowledge from web pages, Slack, code, PRs, documents, or conversations; querying the wiki; or running wiki maintenance. Do NOT use for generic Obsidian CLI operations (use use-obsidian) or Obsidian Markdown syntax only (use obsidian-markdown).