Add delayed verdict support for response body in nano attachment

Summary:
* Implement TRAFFIC_VERDICT_DELAYED handling in SendResponseBody function * Add delayed verdict thread spawning when response body returns delayed verdict This change mirrors the existing delayed verdict handling in SendRequestBody to ensure consistent behavior for both request and response body processing.

attachments/nano_attachment/nano_attachment_sender.c

@@ -636,6 +636,31 @@ SendResponseBody(NanoAttachment *attachment, AttachmentData *data)
         ctx.res
     );
 
+    if (session_data_p->verdict == TRAFFIC_VERDICT_DELAYED) {
+        write_dbg(attachment, session_id, DBG_LEVEL_DEBUG, "spawn SendDelayedVerdictRequestThread");
+        res = NanoRunInThreadTimeout(
+            attachment,
+            data,
+            SendDelayedVerdictRequestThread,
+            (void *)&ctx,
+            attachment->waiting_for_verdict_thread_timeout_msec,
+            "SendDelayedVerdictRequestThread",
+            RESPONSE
+        );
+        if (!res) {
+            updateMetricField(attachment, HOLD_THREAD_TIMEOUT, 1);
+            return SendThreadTimeoutVerdict(attachment, session_id, &ctx);
+        }
+
+        write_dbg(
+            attachment,
+            session_id,
+            DBG_LEVEL_DEBUG,
+            "finished SendDelayedVerdictRequestThread successfully. res=%d",
+            ctx.res
+        );
+    }
+
     if (ctx.res != NANO_HTTP_FORBIDDEN && ctx.res != NANO_OK) {
         return FinalizeFailedResponse(attachment, session_id, &ctx);
     }