refactor: narrow web image input v1

packages/llm/llm-deepseek/src/adapter.ts

@@ -74,7 +74,6 @@ function modelInfo(provider: string, model: DeepSeekCatalogModel): LlmModelInfo
     name: model.name ?? model.id,
     ...model.description === undefined ? {} : { description: model.description },
     inputModalities: ['text'],
-    outputModalities: ['text'],
   }
 }
 
@@ -171,7 +170,7 @@ export class DeepSeekAdapter extends LlmAdapter {
       // capability — "unknown" here would let the host accept and persist
       // images the serializer must then reject.
       ...configured === undefined
-        ? { provider, id: model, name: model, inputModalities: ['text' as const], outputModalities: ['text' as const] }
+        ? { provider, id: model, name: model, inputModalities: ['text' as const] }
         : modelInfo(provider, configured),
       ...contextWindow === undefined ? {} : { context: { contextWindow } },
       ...this.options.defaults?.thinking === 'disabled'