graph TD
A[Load download_log.json] --> B[Initialize empty thumbnails array]
B --> C[Start video processing loop]
C --> D[Extract URL and local path]
D --> E[Call Skill #202: Extract Thumbnails]
E --> F[Store results in thumbnails array]
F --> G{More videos?}
G -->|Yes| D
G -->|No| H[Write thumbnails_log.json]
H --> I[Call Skill #223: Generate Summary]
I --> J[Write thumbnails_summary.txt]
J --> K[Return files and logs]
subgraph Silo 1: Per-Video Process
D
E
F
end
subgraph Silo 2: Consolidation
H
I
J
end