From ef4cebb2636083dfce3beafad503a175a84c9c1a Mon Sep 17 00:00:00 2001
From: Vincent Koc <vincentkoc@ieee.org>
Date: Fri, 31 Jul 2026 00:50:04 +0800
Subject: [PATCH] fix(openai): bound GPT-Live delegation output

---
 extensions/openai/realtime-quicksilver-bridge.ts    | 11 ++++++-----
 .../openai/realtime-quicksilver-gateway-bridge.ts   |  3 ++-
 extensions/openai/realtime-quicksilver-session.ts   |  3 ++-
 extensions/openai/realtime-quicksilver-wire.ts      | 13 +++++++++++++
 4 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/extensions/openai/realtime-quicksilver-bridge.ts b/extensions/openai/realtime-quicksilver-bridge.ts
index 95b012dbdb16..e0dd6583d4c0 100644
--- a/extensions/openai/realtime-quicksilver-bridge.ts
+++ b/extensions/openai/realtime-quicksilver-bridge.ts
@@ -22,6 +22,7 @@ import {
   type OpenAIQuicksilverSocketFactory,
 } from "./realtime-quicksilver-sideband.js";
 import {
+  boundOpenAIQuicksilverDelegationResult,
   buildOpenAIQuicksilverSessionUpdate,
   buildOpenAIQuicksilverWebSocketUrl,
   chunkOpenAIQuicksilverAppendText,
@@ -342,13 +343,13 @@ export class OpenAIQuicksilverVoiceBridge implements RealtimeVoiceBridge {
     options?: RealtimeVoiceToolResultOptions,
   ): void {
     const channel = options?.suppressResponse || options?.willContinue ? "commentary" : "speakable";
-    const type = this.activeDelegations.has(callId)
-      ? "delegation.context.append"
-      : "session.context.append";
+    const isDelegation = this.activeDelegations.has(callId);
+    const type = isDelegation ? "delegation.context.append" : "session.context.append";
+    const text = toolResultText(result);
     this.sendContext(
       type,
-      type === "delegation.context.append" ? callId : undefined,
-      toolResultText(result),
+      isDelegation ? callId : undefined,
+      isDelegation ? boundOpenAIQuicksilverDelegationResult(text) : text,
       channel,
     );
     if (!options?.willContinue) {
diff --git a/extensions/openai/realtime-quicksilver-gateway-bridge.ts b/extensions/openai/realtime-quicksilver-gateway-bridge.ts
index 5bf57e4d811b..73efd178c805 100644
--- a/extensions/openai/realtime-quicksilver-gateway-bridge.ts
+++ b/extensions/openai/realtime-quicksilver-gateway-bridge.ts
@@ -26,6 +26,7 @@ import {
 } from "./realtime-quicksilver-sideband.js";
 import {
   boundOpenAIQuicksilverContextItems,
+  boundOpenAIQuicksilverDelegationResult,
   buildOpenAIQuicksilverSession,
   chunkOpenAIQuicksilverAppendText,
   createOpenAIQuicksilverCall,
@@ -479,7 +480,7 @@ export class OpenAIQuicksilverGatewayBridge implements RealtimeVoiceBridge {
       if (params.signal.aborted) {
         return;
       }
-      text = result.text;
+      text = boundOpenAIQuicksilverDelegationResult(result.text);
     } catch (error) {
       // Host steering aborts the runner's registered chat signal, not this bridge-owned signal.
       // Abort-shaped rejection is therefore the runner boundary's cancellation marker.
diff --git a/extensions/openai/realtime-quicksilver-session.ts b/extensions/openai/realtime-quicksilver-session.ts
index 192241e94961..9798c1004aab 100644
--- a/extensions/openai/realtime-quicksilver-session.ts
+++ b/extensions/openai/realtime-quicksilver-session.ts
@@ -30,6 +30,7 @@ import {
 } from "./realtime-quicksilver-sideband.js";
 import {
   boundOpenAIQuicksilverContextItems,
+  boundOpenAIQuicksilverDelegationResult,
   buildOpenAIQuicksilverSession,
   chunkOpenAIQuicksilverAppendText,
   createOpenAIQuicksilverCall,
@@ -295,7 +296,7 @@ export function createOpenAIQuicksilverBrowserSessionBroker(params: {
       if (signal.aborted) {
         return;
       }
-      finalText = result.text;
+      finalText = boundOpenAIQuicksilverDelegationResult(result.text);
     } catch (error) {
       if (signal.aborted) {
         return;
diff --git a/extensions/openai/realtime-quicksilver-wire.ts b/extensions/openai/realtime-quicksilver-wire.ts
index 7511716faefa..31fb758c9389 100644
--- a/extensions/openai/realtime-quicksilver-wire.ts
+++ b/extensions/openai/realtime-quicksilver-wire.ts
@@ -5,10 +5,12 @@ import {
   readResponseTextLimited,
   resolveProviderRequestHeaders,
 } from "openclaw/plugin-sdk/provider-http";
+import { truncateUtf16Safe } from "openclaw/plugin-sdk/text-utility-runtime";
 import { z } from "zod";
 import { isOpenAIGptLiveModel } from "./realtime-quicksilver.js";
 
 const OPENAI_QUICKSILVER_APPEND_MAX_BYTES = 500;
+const OPENAI_QUICKSILVER_DELEGATION_RESULT_MAX_CHARS = 1_800;
 const OPENAI_QUICKSILVER_CONTEXT_MAX_ENTRIES = 16;
 const OPENAI_QUICKSILVER_CONTEXT_MAX_ITEM_CHARS = 800;
 const OPENAI_QUICKSILVER_CONTEXT_MAX_UTF8_BYTES = 8_000;
@@ -609,3 +611,14 @@ export function chunkOpenAIQuicksilverAppendText(text: string): string[] {
   }
   return chunks;
 }
+
+/** Bound completed delegation output while preserving under-limit text byte-for-byte. */
+export function boundOpenAIQuicksilverDelegationResult(text: string): string {
+  if (text.length <= OPENAI_QUICKSILVER_DELEGATION_RESULT_MAX_CHARS) {
+    return text;
+  }
+  return `${truncateUtf16Safe(
+    text,
+    OPENAI_QUICKSILVER_DELEGATION_RESULT_MAX_CHARS - 16,
+  ).trimEnd()} [truncated]`;
+}