graph TD
A[Start VocalBuilder] --> B{Script Length Check}
B -->|Within Limits| C[Process Original Script]
B -->|Too Long| D[Script Reduction]
D --> C
C --> E[Voice-over Generation]
E -->|Use Skill #170| F[Create MP3 File]
F --> G[Generate URL]
G --> H[Return MP3 URL]
H --> I[End VocalBuilder]
subgraph Silo 1: Script Pre-processing
B
D
C
end
subgraph Silo 2: Voice-over Generation
E
F
G
end