Manage discount coupons and customer chats through WhatsApp

flowchart TD trig>"customer messages WhatsApp"]:::trig s0["check customer identity and stage"]:::task s1["handle coupon request"]:::task s2[("log conversation to database")]:::store s3(("team reviews dashboard")):::human trig --> s0 s1 --> s2 s2 --> s3 gx{"× what does customer want"}:::gate s0 --> gx p00["issue new coupon"]:::task gx -->|"issue coupon"| p00 p10["check coupon validity"]:::task gx -->|"validate coupon"| p10 p20["explain coupon terms"]:::task gx -->|"explain coupon"| p20 jn{"○ resume conversation"}:::gate p00 --> jn p10 --> jn p20 --> jn jn --> s1 out[/"automated coupon handling with full chat log"/]:::out pay{{"no manual tracking of coupons or chats"}}:::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