Automatically save new YouTube transcripts without duplicates

flowchart TD trig(["daily schedule check"]):::trigtime s0[["check tracked channels for new videos"]]:::mi s1["filter out videos outside window"]:::task s2["check database for duplicates"]:::task s3[("save new video and transcript")]:::store trig --> s0 s0 --> s1 s1 --> s2 gx{"× already saved in database"}:::gate s2 --> gx p00["skip video"]:::task gx -->|"already saved"| p00 p10["transcribe and save"]:::task gx -->|"new video"| p10 jn{"○ continue processing"}:::gate p00 --> jn p10 --> jn jn --> s3 out[/"deduplicated transcript archive updated"/]:::out pay{{"saves manual checking and dedup work"}}:::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