Screen ticket orders for fraud and handle fan follow-up

flowchart TD trig>"new ticket booking submitted"]:::trig s0["receive booking request"]:::task s1["check order for fraud signals"]:::task s2["classify booking risk level"]:::task s3["notify fan and team"]:::svc trig --> s0 s0 --> s1 s1 --> s2 gx{"× how risky is this order"}:::gate s2 --> gx p00["confirm the booking"]:::task gx -->|"safe order"| p00 p10["add fan to waitlist"]:::task gx -->|"needs review"| p10 p20["trigger automatic refund"]:::task gx -->|"high risk"| p20 jn{"○ send notifications"}:::gate p00 --> jn p10 --> jn p20 --> jn jn --> s3 out[/"screened booking with fan notified"/]:::out pay{{"fraud caught without slowing real fans"}}:::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