Log receipts and expenses from Telegram to Google Sheets

flowchart TD trig>"you send a receipt or note"]:::trig s0["detect content type"]:::task s1["categorize the expense"]:::svc s2[("log to google sheets")]:::store s3["send confirmation summary"]:::svc trig --> s0 s1 --> s2 s2 --> s3 gx{"× what content type was sent"}:::gate s0 --> gx p00["run ocr extraction"]:::task gx -->|"image or pdf"| p00 p10["transcribe audio to text"]:::task gx -->|"voice note"| p10 jn{"○ text extracted"}:::gate p00 --> jn p10 --> jn jn --> s1 out[/"logged expense with category"/]:::out pay{{"expenses tracked without manual entry"}}:::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