fix: tts request content-type

src/locales/en-US/models.ts

@@ -209,9 +209,9 @@ export default {
   'models.mymodels.status.degrade': 'Abnormal',
   'models.mymodels.status.active': 'Active',
   'models.form.kvCache.tips':
-    'Available only with built-in backends (vLLM / SGLang) — switch backend in <span class="bold-text">Advanced</span> to enable.',
+    'Extended KV cache and speculative decoding are only available with built-in backends (vLLM / SGLang), Please switch the backend in the <span class="bold-text">Advanced</span> settings to enable them.',
   'models.form.kvCache.tips2':
-    'Extended KV cache is only supported when using built-in inference backends (vLLM or SGLang).',
+    'Only supported when using built-in inference backends (vLLM or SGLang).',
   'models.form.scheduling': 'Scheduling',
   'models.form.ramRatio': 'RAM-to-VRAM Ratio',
   'models.form.ramSize': 'Maximum RAM Size (GiB)',
@@ -237,5 +237,6 @@ export default {
   'models.form.draftModel.placeholder': 'Please select or enter a draft model',
   'models.form.draftModel.tips':
     'You can enter a local path (e.g., /path/to/model) or select a model from Hugging Face or ModelScope (e.g., Tengyunw/qwen3_8b_eagle3). The system will automatically match based on the primary model source.',
-  'models.form.quantization': 'Quantization'
+  'models.form.quantization': 'Quantization',
+  'models.form.backend.custom': 'User Defined'
 };

src/locales/ja-JP/models.ts

@@ -209,9 +209,9 @@ export default {
   'models.mymodels.status.degrade': 'Abnormal',
   'models.mymodels.status.active': 'Active',
   'models.form.kvCache.tips':
-    'Available only with built-in backends (vLLM / SGLang) — switch backend in <span class="bold-text">Advanced</span> to enable.',
+    'Extended KV cache and speculative decoding are only available with built-in backends (vLLM / SGLang), Please switch the backend in the <span class="bold-text">Advanced</span> settings to enable them.',
   'models.form.kvCache.tips2':
-    'Extended KV cache is only supported when using built-in inference backends (vLLM or SGLang).',
+    'Only supported when using built-in inference backends (vLLM or SGLang).',
   'models.form.scheduling': 'Scheduling',
   'models.form.ramRatio': 'RAM-to-VRAM Ratio',
   'models.form.ramSize': 'Maximum RAM Size (GiB)',
@@ -237,7 +237,8 @@ export default {
   'models.form.draftModel.placeholder': 'Please select or enter a draft model',
   'models.form.draftModel.tips':
     'You can enter a local path (e.g., /path/to/model) or select a model from Hugging Face or ModelScope (e.g., Tengyunw/qwen3_8b_eagle3). The system will automatically match based on the primary model source.',
-  'models.form.quantization': 'Quantization'
+  'models.form.quantization': 'Quantization',
+  'models.form.backend.custom': 'User Defined'
 };
 
 // ========== To-Do: Translate Keys (Remove After Translation) ==========
@@ -282,8 +283,8 @@ export default {
 // 41.  'models.mymodels.status.degrade': 'Abnormal',
 // 42.  'models.mymodels.status.active': 'Active'
 // 43. 'models.form.remoteURL.tips': 'Refer to the <a href="https://docs.lmcache.ai/api_reference/configurations.html" target="_blank">configuration documentation</a> for details.',
-// 44. 'models.form.kvCache.tips': 'Available only with built-in backends (vLLM / SGLang) — switch backend in <span class="bold-text">Advanced</span> to enable.'
+// 44.  'models.form.kvCache.tips': 'Extended KV cache and speculative decoding are only available with built-in backends (vLLM / SGLang), Please switch the backend in the <span class="bold-text">Advanced</span> settings to enable them.',
-// 45. 'models.form.kvCache.tips2': 'Extended KV cache is only supported when using built-in inference backends (vLLM or SGLang).',
+// 45. 'models.form.kvCache.tips2': 'Only supported when using built-in inference backends (vLLM or SGLang).',
 // 46. 'models.form.scheduling': 'Scheduling',
 // 47. 'models.form.ramRatio': 'RAM-to-VRAM Ratio',
 // 48. 'models.form.ramSize': 'Maximum RAM Size (GiB)',
@@ -304,5 +305,6 @@ export default {
 // 44. 'models.form.mode.baseline.tips': 'the most compatible option with full precision,
 // 45. 'models.form.draftModel.placeholder': 'Please select or enter a draft model',
 // 46. 'models.form.draftModel.tips': 'You can enter a local path (e.g., /path/to/model) or select a model from Hugging Face or ModelScope (e.g., Tengyunw/qwen3_8b_eagle3). The system will automatically match based on the primary model source.'
-// 47. 'models.form.quantization': 'Quantization'
+// 47. 'models.form.quantization': 'Quantization',
+// 48. 'models.form.backend.custom': 'User Defined'
 // ========== End of To-Do List ==========

src/locales/ru-RU/models.ts

@@ -209,9 +209,9 @@ export default {
   'models.mymodels.status.degrade': 'Abnormal',
   'models.mymodels.status.active': 'Active',
   'models.form.kvCache.tips':
-    'Available only with built-in backends (vLLM / SGLang) — switch backend in <span class="bold-text">Advanced</span> to enable.',
+    'Extended KV cache and speculative decoding are only available with built-in backends (vLLM / SGLang), Please switch the backend in the <span class="bold-text">Advanced</span> settings to enable them.',
   'models.form.kvCache.tips2':
-    'Extended KV cache is only supported when using built-in inference backends (vLLM or SGLang).',
+    'Only supported when using built-in inference backends (vLLM or SGLang).',
   'models.form.scheduling': 'Scheduling',
   'models.form.ramRatio': 'RAM-to-VRAM Ratio',
   'models.form.ramSize': 'Maximum RAM Size (GiB)',
@@ -237,7 +237,8 @@ export default {
   'models.form.draftModel.placeholder': 'Please select or enter a draft model',
   'models.form.draftModel.tips':
     'You can enter a local path (e.g., /path/to/model) or select a model from Hugging Face or ModelScope (e.g., Tengyunw/qwen3_8b_eagle3). The system will automatically match based on the primary model source.',
-  'models.form.quantization': 'Quantization'
+  'models.form.quantization': 'Quantization',
+  'models.form.backend.custom': 'User Defined'
 };
 
 // ========== To-Do: Translate Keys (Remove After Translation) ==========
@@ -245,8 +246,8 @@ export default {
 // 3. 'models.mymodels.status.degrade': 'Abnormal',
 // 4. 'models.mymodels.status.active': 'Active'
 // 5. 'models.form.remoteURL.tips': 'Refer to the <a href="https://docs.lmcache.ai/api_reference/configurations.html" target="_blank">configuration documentation</a> for details.',
-// 6. 'models.form.kvCache.tips': 'Available only with built-in backends (vLLM / SGLang) — switch backend in <span class="bold-text">Advanced</span> to enable.'
+// 6.  'models.form.kvCache.tips': 'Extended KV cache and speculative decoding are only available with built-in backends (vLLM / SGLang), Please switch the backend in the <span class="bold-text">Advanced</span> settings to enable them.',
-// 7. 'models.form.kvCache.tips2': 'Extended KV cache is only supported when using built-in inference backends (vLLM or SGLang).';
+// 7. 'models.form.kvCache.tips2': 'Only supported when using built-in inference backends (vLLM or SGLang).';
 // 8. 'models.form.scheduling': 'Scheduling',
 // 9. 'models.form.ramRatio': 'RAM-to-VRAM Ratio',
 // 10. 'models.form.ramSize': 'Maximum RAM Size (GiB)',
@@ -267,5 +268,6 @@ export default {
 // 36. 'models.form.mode.baseline.tips': 'the most compatible option with full precision.'
 // 37. 'models.form.draftModel.placeholder': 'Please select or enter a draft model',
 // 38. 'models.form.draftModel.tips': 'You can enter a local path (e.g., /path/to/model) or select a model from Hugging Face or ModelScope (e.g., Tengyunw/qwen3_8b_eagle3). The system will automatically match based on the primary model source.',
-// 39. 'models.form.quantization': 'Quantization'
+// 39. 'models.form.quantization': 'Quantization',
+// 40. 'models.form.backend.custom': 'User Defined'
 // ========== End of To-Do List ==========

src/locales/zh-CN/models.ts

@@ -198,9 +198,8 @@ export default {
   'models.mymodels.status.degrade': '异常',
   'models.mymodels.status.active': '可用',
   'models.form.kvCache.tips':
-    '仅在内置后端（vLLM / SGLang）可用 —— 请在<span class="bold-text">高级</span>配置中切换后端以启用。',
+    '扩展 KV 缓存和推测解码仅在内置后端（vLLM / SGLang）可用，请在<span class="bold-text">高级</span>配置中切换后端以启用。',
-  'models.form.kvCache.tips2':
+  'models.form.kvCache.tips2': '仅在使用内置推理后端（vLLM 或 SGLang）时支持。',
-    '仅在使用内置推理后端（vLLM 或 SGLang）时支持 KV 缓存。',
   'models.form.scheduling': '调度',
   'models.form.ramRatio': '内存与显存比例',
   'models.form.ramSize': '内存最大占用 (GiB)',
@@ -225,5 +224,6 @@ export default {
   'models.form.draftModel.placeholder': '请选择或输入草稿模型',
   'models.form.draftModel.tips':
     '可填写本地路径（如 /path/to/model），或从 Hugging Face、ModelScope 选择模型（如 Tengyunw/qwen3_8b_eagle3）。系统将根据主模型来源自动匹配。',
-  'models.form.quantization': '量化'
+  'models.form.quantization': '量化',
+  'models.form.backend.custom': '用户定义'
 };

src/pages/llmodels/components/instance-item.tsx

@@ -475,7 +475,9 @@ const InstanceItem: React.FC<InstanceItemProps> = ({
         <div className="flex-center">
           <ThunderboltFilled className="m-r-5" />
           {intl.formatMessage({ id: 'models.form.backend' })}:{' '}
-          {modelData?.backend || ''}
+          {modelData?.backend === backendOptionsMap.custom
+            ? intl.formatMessage({ id: 'models.form.backend.custom' })
+            : modelData?.backend || ''}
           {modelData.backend_version ? `(${modelData.backend_version})` : ''}
         </div>
       </div>

src/pages/llmodels/forms/index.tsx

@@ -190,12 +190,15 @@ const DataForm: React.FC<DataFormProps> = forwardRef((props, ref) => {
 
   const updateKVCacheConfig = (backend: string, option: BackendOption) => {
     if (
-      !option.isBuiltIn &&
+      !option.isBuiltIn ||
-      [backendOptionsMap.SGLang, backendOptionsMap.vllm].includes(backend)
+      ![backendOptionsMap.SGLang, backendOptionsMap.vllm].includes(backend)
     ) {
       return {
         extended_kv_cache: {
           enabled: false
+        },
+        speculative_config: {
+          enabled: false
         }
       };
     }

src/pages/llmodels/forms/kv-cache.tsx

@@ -50,15 +50,6 @@ const KVCacheForm = () => {
         name={['extended_kv_cache', 'enabled']}
         valuePropName="checked"
         style={{ marginBottom: 8 }}
-        extra={
-          !builtInBackend && (
-            <span
-              dangerouslySetInnerHTML={{
-                __html: intl.formatMessage({ id: 'models.form.kvCache.tips' })
-              }}
-            ></span>
-          )
-        }
       >
         <CheckboxField
           description={intl.formatMessage({

src/pages/llmodels/forms/speculative-decode.tsx

@@ -7,7 +7,8 @@ import useAppUtils from '@/hooks/use-app-utils';
 import { useIntl } from '@umijs/max';
 import { Form } from 'antd';
 import _ from 'lodash';
-import { useRef } from 'react';
+import { useMemo, useRef } from 'react';
+import { backendOptionsMap } from '../config/backend-parameters';
 import { useFormContext } from '../config/form-context';
 import { FormData } from '../config/types';
 import useQueryDraftModels from '../hooks/use-query-draftModels';
@@ -20,9 +21,10 @@ const AlgorithmMap = {
 
 const SpeculativeDecode = () => {
   const intl = useIntl();
-  const { source, onValuesChange } = useFormContext();
+  const { source, backendOptions, onValuesChange } = useFormContext();
   const { getRuleMessage } = useAppUtils();
   const form = Form.useFormInstance();
+  const backend = Form.useWatch('backend', form);
   const speculativeEnabled = Form.useWatch(
     ['speculative_config', 'enabled'],
     form
@@ -65,18 +67,44 @@ const SpeculativeDecode = () => {
     }
   };
 
+  const builtInBackend = useMemo(() => {
+    const currentBackend = backendOptions.find(
+      (item) => item.value === backend
+    );
+
+    return (
+      currentBackend?.isBuiltIn &&
+      [backendOptionsMap.SGLang, backendOptionsMap.vllm].includes(
+        backend as string
+      )
+    );
+  }, [backend, backendOptions]);
+
   return (
     <>
       <Form.Item<FormData>
         name={['speculative_config', 'enabled']}
         valuePropName="checked"
         style={{ marginBottom: 8 }}
+        extra={
+          !builtInBackend && (
+            <span
+              dangerouslySetInnerHTML={{
+                __html: intl.formatMessage({ id: 'models.form.kvCache.tips' })
+              }}
+            ></span>
+          )
+        }
       >
         <CheckboxField
+          description={intl.formatMessage({
+            id: 'models.form.kvCache.tips2'
+          })}
           label={intl.formatMessage({
             id: 'models.form.enableSpeculativeDecoding'
           })}
           onChange={handleSpeculativeEnabledChange}
+          disabled={!builtInBackend}
         ></CheckboxField>
       </Form.Item>
       {speculativeEnabled && (

src/pages/playground/apis/index.ts

@@ -96,6 +96,9 @@ export const textToSpeech = async (params: any, options?: any) => {
   const res = await fetch(AUDIO_TEXT_TO_SPEECH_API, {
     method: 'POST',
     body: JSON.stringify(params.data),
+    headers: {
+      'Content-Type': 'application/json'
+    },
     signal: params.signal
   });
   if (!res.ok) {