style: apply code formatting fixes

- Fix Prettier formatting in claudeProviderPresets.ts
- Fix cargo fmt trailing blank line in provider/mod.rs

src-tauri/src/services/provider/mod.rs

@@ -525,7 +525,6 @@ impl ProviderService {
             }
         }
     }
-
 }
 
 /// Normalize Claude model keys in a JSON value