Adjust user speech timeout and enhance idle prompt settings in fastgpt.state.xfyun.json and siliconflow.json

config/fastgpt.state.xfyun.json

@@ -42,7 +42,7 @@
       "你好",
       "在吗"
     ],
-    "user_speech_timeout_sec": 0.8,
+    "user_speech_timeout_sec": 0.2,
     "idle_prompt_timeout_sec": 3.0,
     "idle_prompt_max_count": 3,
     "idle_prompt_text": "你好，请问还在吗？"

config/siliconflow.json

@@ -40,12 +40,21 @@
       "没有",
       "否"
     ],
-    "user_speech_timeout_sec": 0.2
+    "user_speech_timeout_sec": 0.2,
+    "idle_prompt_timeout_sec": 3.0,
+    "idle_prompt_max_count": 3,
+    "idle_prompt_text": "你好，请问还在吗？"
   },
   "agent": {
     "system_prompt": "你是一个有用的语音对话助手名字叫小白",
     "greeting": "你好，我是小白，请问有什么可以帮你？",
-    "greeting_mode": "fixed"
+    "greeting_mode": "fixed",
+    "response_state": {
+      "enabled": false,
+      "tag": "state",
+      "event_type": "response.state",
+      "max_prefix_chars": 256
+    }
   },
   "services": {
     "stt": {