From 60531889d56a9a9d2b3f0b9ee04aea4145ede392 Mon Sep 17 00:00:00 2001
From: 0xchainer <109617724+0xchainer@users.noreply.github.com>
Date: Sun, 17 May 2026 00:35:05 +0300
Subject: [PATCH] fix: remove unused import and hoist module-level constant

- Remove unused  from tools/tts_tool.py (dead code)
- Move _BUILTIN_DELIVER_PLATFORMS set from send() method to module
  scope in gateway/platforms/webhook.py to avoid reallocation on
  every call
---
 gateway/platforms/webhook.py | 13 +++++++------
 tools/tts_tool.py            |  1 -
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/gateway/platforms/webhook.py b/gateway/platforms/webhook.py
index 83aa93e94cb..d7714ff5652 100644
--- a/gateway/platforms/webhook.py
+++ b/gateway/platforms/webhook.py
@@ -54,6 +54,13 @@ from gateway.platforms.base import (
 
 logger = logging.getLogger(__name__)
 
+_BUILTIN_DELIVER_PLATFORMS = {
+    "telegram", "discord", "slack", "signal", "sms", "whatsapp",
+    "matrix", "mattermost", "homeassistant", "email", "dingtalk",
+    "feishu", "wecom", "wecom_callback", "weixin", "bluebubbles",
+    "qqbot", "yuanbao",
+}
+
 DEFAULT_HOST = "0.0.0.0"
 DEFAULT_PORT = 8644
 _INSECURE_NO_AUTH = "INSECURE_NO_AUTH"
@@ -238,12 +245,6 @@ class WebhookAdapter(BasePlatformAdapter):
 
         # Cross-platform delivery — any platform with a gateway adapter.
         # Check both built-in names and plugin-registered platforms.
-        _BUILTIN_DELIVER_PLATFORMS = {
-            "telegram", "discord", "slack", "signal", "sms", "whatsapp",
-            "matrix", "mattermost", "homeassistant", "email", "dingtalk",
-            "feishu", "wecom", "wecom_callback", "weixin", "bluebubbles",
-            "qqbot", "yuanbao",
-        }
         _is_known_platform = deliver_type in _BUILTIN_DELIVER_PLATFORMS
         if not _is_known_platform:
             try:
diff --git a/tools/tts_tool.py b/tools/tts_tool.py
index 57907f76833..9e46fa6a7ef 100644
--- a/tools/tts_tool.py
+++ b/tools/tts_tool.py
@@ -44,7 +44,6 @@ import queue
 import re
 import shlex
 import shutil
-import signal
 import subprocess
 import tempfile
 import threading