[Bug] Anthropic API Error: Message flagged and auto-downgraded to Opus 4.8 during subtitle conversion tool testing

**Bug Description**
Here it said, the message has been flagged and switched to Opus 4.8, Details: `[cyber]`. Im not sure why. We were testing a little tool that we created in this session, which downloads subtitles for movies automatically, and converts it to the correct framerate. The example movie we had here was Sintel, a free movie (free to download). So nothing bad was done. Maybe it was just 1 word or something that has triggered it. Apart from that, both models did fine (fable 5 and opus 4.8.

**Environment Info**
- Platform: win32
- Terminal: null
- Version: 2.1.263
- Feedback ID: 5f9846ed-7649-468d-8342-e29dded992dc

**Errors**
```json
[]
```

No repository file, test, or entry point is named. Start by reproducing the subtitle-conversion tool test on win32 with version 2.1.263, recording the prompt or message that produces the [cyber] flag and the model downgrade. Done means identifying the trigger or confirming the behavior and documenting a reproducible result tied to feedback ID 5f9846ed-7649-468d-8342-e29dded992dc.

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