chore: Add modelName, sessionId, requestId usage

Author: arcoraven

.changeset/gold-gorillas-clap.md

@@ -0,0 +1,5 @@
+---
+"@thirdweb-dev/service-utils": patch
+---
+
+Add modelName, sessionId, requestId to usage

packages/service-utils/src/core/usage.ts

@@ -78,5 +78,8 @@ export const usageEventSchema = z.object({
   providerIp: z.string().optional(),
   promptTokens: z.number().int().nonnegative().optional(),
   completionTokens: z.number().int().nonnegative().optional(),
+  modelName: z.string().optional(),
+  sessionId: z.string().optional(),
+  requestId: z.string().optional(),
 });
 export type UsageEvent = z.infer<typeof usageEventSchema>;