[Feature] Support Qwen-omini

## Problem Description
When calling Qwen-Omni, media content may be generated in parallel rather than sequentially. The current adapter assumes a sequential generation flow and therefore fails to correctly handle parallel media outputs.

## Proposed Solution
[Clear description of what you want to happen]

## Affected Component(s)
- [x] Engine
- [ ] Sandbox
- [ ] Common
- [ ] Tools
- [ ] Documentation
- [ ] Other: ___________

## Alternatives Considered
[Describe any alternative solutions you've considered]

## Additional Context
[Any other context, screenshots, or examples about the feature request]