Where MisakaNet's lesson coverage has gaps: failure families whose searches found nothing,
found only low-confidence matches, or whose lessons were reported as not helpful.
Rolling 30-day window.
Privacy: aggregate counts only. Task-family labels are derived from query
clustering on the server and the query text is discarded immediately — no raw queries, prompts,
logs, file paths, session data, or user identifiers are stored or shown here.