Classify invoices with AI and route high-value ones for approval

flowchart TD trig>"invoice added to folder"]:::trig s0["extract invoice text"]:::task s1["AI categorizes and codes expense"]:::task s2["convert to accounting format"]:::task s3[("log invoice to spreadsheet")]:::store trig --> s0 s0 --> s1 s2 --> s3 gx{"× is invoice high value or uncertain"}:::gate s1 --> gx p00["send for human approval"]:::task gx -->|"flagged for review"| p00 p10["skip approval"]:::task gx -->|"within normal range"| p10 jn{"○ continue processing"}:::gate p00 --> jn p10 --> jn jn --> s2 out[/"invoice categorized and flagged if needed"/]:::out pay{{"faster processing catches costly invoices"}}:::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