feat(providers): Add vision and document processing capabilities to providers

ts/provider.groq.ts

@@ -176,4 +176,17 @@ export class GroqProvider extends MultiModalModel {
     // Groq does not provide an audio API, so this method is not implemented.
     throw new Error('Audio generation is not yet supported by Groq.');
   }
+
+  public async vision(optionsArg: { image: Buffer; prompt: string }): Promise<string> {
+    throw new Error('Vision tasks are not yet supported by Groq.');
+  }
+
+  public async document(optionsArg: {
+    systemMessage: string;
+    userMessage: string;
+    pdfDocuments: Uint8Array[];
+    messageHistory: ChatMessage[];
+  }): Promise<{ message: any }> {
+    throw new Error('Document processing is not yet supported by Groq.');
+  }
 }