Auto-reply to Facebook comments using an AI knowledge base

flowchart TD trig>"new comment appears on post"]:::trig s0["check if already answered"]:::task s1["draft reply from knowledge base"]:::svc s2["post reply to comment"]:::svc s3[("log action to prevent duplicates")]:::store trig --> s0 s1 --> s2 s2 --> s3 gx{"× has comment been answered"}:::gate s0 --> gx p00["skip no reply"]:::task gx -->|"already answered"| p00 p10["draft and post reply"]:::task gx -->|"not answered yet"| p10 p00 --> s1 p10 --> s1 out[/"automatic on-brand comment reply"/]:::out pay{{"faster consistent comment engagement"}}:::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