Automatically transcribe YouTube videos on request

flowchart TD trig(("user submits video link")):::human s0["request video transcript"]:::svc s1["wait for processing"]:::task s2["check transcript status"]:::task s3["return finished transcript"]:::task trig --> s0 s0 --> s1 s1 --> s2 lp{"transcript becomes available"}:::gate s2 --> lp lp -. "rechecks until ready" .-> s1 lp -->|"finished"| s3 out[/"video transcript delivered"/]:::out pay{{"no manual transcription needed"}}:::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