增加不同上下文模式

webui/src/features/settings/BehaviorSection.jsx

@@ -46,6 +46,23 @@ export default function BehaviorSection({ t, form, setForm }) {
                         <span className="text-xs text-muted-foreground block">{t('settings.thinkingInjectionDesc')}</span>
                     </div>
                 </label>
+                <label className="text-sm space-y-2 md:col-span-2">
+                    <span className="text-muted-foreground">{t('settings.thinkingInjectionPrompt')}</span>
+                    <textarea
+                        rows={5}
+                        value={form.thinking_injection?.prompt || ''}
+                        placeholder={form.thinking_injection?.default_prompt || ''}
+                        onChange={(e) => setForm((prev) => ({
+                            ...prev,
+                            thinking_injection: {
+                                ...prev.thinking_injection,
+                                prompt: e.target.value,
+                            },
+                        }))}
+                        className="w-full bg-background border border-border rounded-lg px-3 py-2 resize-y min-h-32"
+                    />
+                    <p className="text-xs text-muted-foreground">{t('settings.thinkingInjectionPromptHelp')}</p>
+                </label>
             </div>
         </div>
     )

webui/src/features/settings/useSettingsForm.js

@@ -19,7 +19,7 @@ const DEFAULT_FORM = {
     auto_delete: { mode: 'none' },
     history_split: { enabled: false, trigger_after_turns: 1 },
     current_input_file: { enabled: true, min_chars: 0 },
-    thinking_injection: { enabled: true },
+    thinking_injection: { enabled: true, prompt: '', default_prompt: '' },
     model_aliases_text: '{}',
 }
 
@@ -84,6 +84,8 @@ function fromServerForm(data) {
         },
         thinking_injection: {
             enabled: data.thinking_injection?.enabled ?? true,
+            prompt: data.thinking_injection?.prompt || '',
+            default_prompt: data.thinking_injection?.default_prompt || '',
         },
         model_aliases_text: JSON.stringify(data.model_aliases || {}, null, 2),
     }
@@ -116,6 +118,7 @@ function toServerPayload(form) {
         },
         thinking_injection: {
             enabled: Boolean(form.thinking_injection?.enabled ?? true),
+            prompt: String(form.thinking_injection?.prompt || '').trim(),
         },
     }
 }

webui/src/locales/en.json

@@ -375,6 +375,8 @@
         "embeddingsProvider": "Embeddings provider",
         "thinkingInjectionEnabled": "Thinking format injection",
         "thinkingInjectionDesc": "Append a structured <think> checklist to the latest user message before prompt assembly.",
+        "thinkingInjectionPrompt": "Thinking format prompt",
+        "thinkingInjectionPromptHelp": "Leave empty to use the built-in default prompt shown as the input placeholder.",
         "historySplitTitle": "Context Split",
         "historySplitDesc": "Choose one context-splitting mode to avoid inlining very long prompts.",
         "historySplitEnabled": "Turn split (second turn by default)",

webui/src/locales/zh.json

@@ -375,6 +375,8 @@
         "embeddingsProvider": "Embeddings Provider",
         "thinkingInjectionEnabled": "思考格式注入",
         "thinkingInjectionDesc": "在组装 prompt 前，将结构化 <think> 检查清单追加到最新用户消息末尾。",
+        "thinkingInjectionPrompt": "思考格式提示词",
+        "thinkingInjectionPromptHelp": "留空时使用内置默认提示词；默认内容会显示在输入框占位文本中。",
         "historySplitTitle": "上下文拆分",
         "historySplitDesc": "选择一种上下文拆分方式，减少超长 prompt 直接内联。",
         "historySplitEnabled": "轮次拆分（默认第二轮）",