Classify and draft email replies automatically with human approval

flowchart TD trig>"new email arrives"]:::trig s0["classify email"]:::task s1["draft reply"]:::svc s2(("reviewer approval")):::human s3["send reply"]:::task trig --> s0 hg(("reviewer approves draft")):::human s1 --> hg hg -->|"approved"| s2 hg -. "sent back" .-> s1 gx{"× does email need a reply"}:::gate s0 --> gx p00["draft response"]:::task gx -->|"reply needed"| p00 p10["end no action"]:::task gx -->|"no reply needed"| p10 p00 --> s1 p10 --> s1 lp{"reviewer approves the draft"}:::gate s2 --> lp lp -. "reviewer requests rewrite" .-> s1 lp -->|"finished"| s3 out[/"approved replies sent automatically"/]:::out pay{{"faster inbox handling with human control"}}:::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