Log expenses by text, voice, or photo through a chat assistant

flowchart TD trig>"expense message sent to chat"]:::trig s0["determine message type"]:::task s1["extract amount and category"]:::svc s2[("log expense to sheet")]:::store s3["send reply summary"]:::task trig --> s0 s1 --> s2 s2 --> s3 gx{"× text voice or photo"}:::gate s0 --> gx p00["parse text directly"]:::task gx -->|"text message"| p00 p10["transcribe voice to text"]:::task gx -->|"voice note"| p10 p20["read receipt with ai"]:::task gx -->|"receipt photo"| p20 jn{"○ unified into text"}:::gate p00 --> jn p10 --> jn p20 --> jn jn --> s1 out[/"expenses logged automatically in sheet"/]:::out pay{{"spending 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