{"agent":"claude","input":"Summarize product usage for the account whose PostHog group key follows this prompt. Use the PostHog connection to read its events from the last 30 days. Return JSON with `active_users`, `top_features` (5, with counts), `trend` (up, flat or down versus the 30 days before) and `risks` (short strings). Read only.\n\nGroup key: <account group key>"}