Benboerba620

Ingest new source material into the wiki. Use when the user drops files into `wiki/raw/`, pastes content to archive and summarize, wants a flat raw inbox instead of category folders, or asks to optionally include an Obsidian `Clippings` folder during source discovery.

Scan high-signal podcasts and long-form RSS feeds, summarize them, and write karpathy-claude-wiki compatible source-summary pages.