Get a daily WhatsApp group activity report with anomaly alerts

flowchart TD trig(["every morning at 8am"]):::trigtime s0[["pull stats for each group"]]:::mi s1["combine into daily digest"]:::task s2["detect anomalies"]:::task s3["send digest and log"]:::task trig --> s0 s0 --> s1 s1 --> s2 gx{"× anomaly detected"}:::gate s2 --> gx p00["send Slack alert"]:::task gx -->|"anomaly found"| p00 p10["no alert needed"]:::task gx -->|"normal activity"| p10 jn{"○ continue to send digest"}:::gate p00 --> jn p10 --> jn jn --> s3 out[/"daily digest with anomaly alert delivered"/]:::out pay{{"spot lead problems without checking every group"}}:::pay s3 --> out out --> pay classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff