Backend:
- GET /api/dashboard/activity?days=1..90 — daily buckets (messages,
flagged, active_users) + hourly distribution last 24h
- clamped days param, reuses existing indexes (idx_messages_created,
ai_status_created)
Frontend:
- ActivityChart: area chart messages+flagged per day, 7/14/30d range
- HourlyActivityChart: 24h bars with peak highlight
- ModerationDonut: clean/flagged/warned/error breakdown with live
summary line (server X% clean)
- Dashboard layout: activity 2/3 + donut 1/3, hourly + top channels
Verified: endpoint returns real data from prod DB (784/1897/8 msgs
per day), tsc clean backend+frontend.
asepharyana
78d514b73d