Closes #37043 Previously claude sonnet 4 was missing from copilot as it was colliding with zed's claude-sonnet-4 model id. Now we do deduplication based upon model and provider id both. | Before | After | |--------|--------| | <img width="784" height="950" alt="CleanShot 2025-08-28 at 18 31 28@2x" src="https://github.com/user-attachments/assets/d49d5a17-7271-417d-bb5e-bc380071e810" /> | <img width="720" height="876" alt="CleanShot 2025-08-28 at 18 31 42@2x" src="https://github.com/user-attachments/assets/a5100c05-994e-4e19-ab20-34c0258b977c" /> | Release Notes: - Fixed an issue where models with the same ID from different providers (such as Claude Sonnet 4 from both Zed and Copilot) were incorrectly deduplicated in the model selector—now all variants are shown.