Run restaurant orders and payments automatically on WhatsApp

flowchart TD trig>"customer messages on WhatsApp"]:::trig s0["interpret message intent"]:::task s1(("guide order and payment")):::human s2["verify payment receipt photo"]:::task s3["send order to kitchen"]:::task trig --> s0 s1 --> s2 s2 --> s3 gx{"× what does customer want"}:::gate s0 --> gx p00["send menu"]:::task gx -->|"asks for menu"| p00 p10["guide order and payment"]:::task gx -->|"places an order"| p10 p11["verify payment receipt"]:::task p10 --> p11 p20["answer question"]:::task gx -->|"asks a question"| p20 p00 --> s1 p11 --> s1 p20 --> s1 out[/"confirmed order sent to kitchen"/]:::out pay{{"orders handled without staff time"}}:::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