Enhance response handling for number types

Updated response handling to support number types.

Author: celestial-rose

packages/workers-ai-provider/src/streaming.ts

@@ -30,16 +30,16 @@ export function getMappedStream(response: Response) {
 					partialToolCalls.push(...chunk.tool_calls);
 				}
 
-				// Handle top-level response text
-				if (chunk.response?.length) {
+				// Handle top-level response text + Handling number responses for models like Llama4
+				 if (chunk.response?.length || typeof chunk.response === "number") {
 					if (!textId) {
 						textId = generateId();
 						controller.enqueue({ type: "text-start", id: textId });
 					}
 					controller.enqueue({
 						type: "text-delta",
 						id: textId,
-						delta: chunk.response,
+						delta: typeof chunk.response === "number" ? String(chunk.response) : chunk.response,
 					});
 				}