### What problem does this PR solve?
Feat: Filter the agent form's large model list by type #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Hide the suffix of the large model name. #5433
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Fix: After deleting all conversation lists, the chat input box can still
be used for input. #4907
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
