Build multi-step intake forms with dynamic choice lists

flowchart TD trig(("customer starts intake form")):::human s0(("start form step")):::human s1["determine which fields apply"]:::task s2["refresh available choice list"]:::task s3["match selections to details"]:::task s4[("log final submission")]:::store trig --> s0 s0 --> s1 s2 --> s3 s3 --> s4 gx{"× which follow up fields apply"}:::gate s1 --> gx p00["show relevant fields"]:::task gx -->|"path one fields"| p00 p10["show alternate fields"]:::task gx -->|"path two fields"| p10 jn{"○ continue to matching"}:::gate p00 --> jn p10 --> jn jn --> s2 out[/"structured submission logged"/]:::out pay{{"adaptive form without irrelevant fields"}}:::pay s4 --> 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