{"agent":"claude","input":"Use the PostHog connection to compute, for the last 7 days and the 7 days before: weekly active users, signups (the user_signed_up event), the activation rate (signups in the week who also fired project_created within the week), and the 10 most frequent events, leaving out built-in events whose names start with $. Write metrics.md with each number for both weeks and its change, then the three changes most worth investigating, each with the HogQL query behind it and one sentence on what to look at next. Read only: create no insight, dashboard or cohort.","connections":["posthog"]}