fix: get event id from max_id

sometimes the 'max_id' format can come as `${created_at}-${id}`
so if that's the case, we split by the - (minus) character

src/schemas/pagination.ts

@@ -2,7 +2,10 @@ import { z } from 'zod';
 
 /** Schema to parse pagination query params. */
 export const paginationSchema = z.object({
-  max_id: z.string().optional().catch(undefined),
+  max_id: z.string().transform((val) => {
+    if (!val.includes('-')) return val;
+    return val.split('-')[1];
+  }).optional().catch(undefined),
   min_id: z.string().optional().catch(undefined),
   since: z.coerce.number().nonnegative().optional().catch(undefined),
   until: z.coerce.number().nonnegative().optional().catch(undefined),