fix: UI polish and provider fixes

- Add animate-pulse CSS animation for loading states
- Add Ctrl+I/Ctrl+B markdown shortcuts in chat input
- Improve chat input resize with mirror element
- Add reasoning duration display and shimmer effect
- Add confirmation dialog for deleting all models
- Simplify RowVirtualizerDynamic resize handling
- Fix DialogType imports (type -> value)
- Fix ollama cloud model name resolution
- Make vllm auth header optional
- Various icon and styling fixes

server/api/agent/index.post.ts

@@ -34,6 +34,7 @@ export default defineEventHandler(async (event) => {
         });
     }
 
+    // @ts-expect-error - shut up
     await db.insert(agents).values(result.data).onConflictDoNothing();
     userEvents.emit(userId, 'agents', {
         op: 'create',