Volcengine TOS Video Process Inspect videos, extract frames, and concatenate video clips stored in Volcengine TOS — metadata lookup, single snapshot, multi-frame capture, video concatenation, and TOS-to-TOS persistence. Setup (once per environment) Install dependencies on first use: Then run scripts with Python 3.7+: If you see a for , reinstall dependencies. Environment Variables This skill relies on the TOS identity declared in the block. Common runtime variables are: | Environment Variable | Required | Description | | --- | --- | --- | | | Yes | TOS access key ID | | | Yes | TOS secret acc…