Block tasks from closing until subtasks and dependencies are done

flowchart TD trig>"task marked as done"]:::trig s0[["check subtasks and dependencies"]]:::mi s1["determine if items still open"]:::task trig --> s0 s0 --> s1 gx{"× any subtask still open"}:::gate s1 --> gx p00["roll back status"]:::task gx -->|"items open"| p00 p01["notify person why"]:::task p00 --> p01 p10["task stays closed"]:::task gx -->|"all items done"| p10 p01 --> out p10 --> out out[/"task closes only when complete"/]:::out pay{{"prevents premature task closure"}}:::pay 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