Setup wizard improvements:
- Expanded model dropdown with 6 Perplexity models:
* sonar-pro (recommended default)
* sonar
* sonar-reasoning
* llama-3.1-sonar-small-128k-online
* llama-3.1-sonar-large-128k-online
* llama-3.1-sonar-huge-128k-online
- Added info button (?) next to model selector
- Info popup explains each model's characteristics:
* Performance
* Use cases
* Speed/quality tradeoffs
* Cost considerations
Created MODEL_CHANGE.md documentation:
- How to change model in .env file
- How to re-run setup wizard
- Detailed model descriptions
- Example configuration
Users can now easily choose the right model for their needs
and change it anytime without reconfiguring everything.
