优化代码

static/admin.css

@@ -58,6 +58,7 @@ main{padding:28px 0 60px}
 .tag{font-size:11px;padding:2px 8px;border-radius:4px;font-weight:500}
 .tag-anthropic{background:rgba(249,115,22,.15);color:#fb923c}
 .tag-openai{background:rgba(16,185,129,.15);color:#34d399}
+.tag-responses{background:rgba(59,130,246,.15);color:#60a5fa}
 .tag-auto{background:rgba(139,92,246,.15);color:#a78bfa}
 .tag-override{background:rgba(59,130,246,.1);color:var(--primary)}
 .mapping-actions{margin-left:auto;display:flex;gap:6px}

static/admin.html

@@ -94,11 +94,13 @@
           <option value="auto">自动检测</option>
           <option value="anthropic">Anthropic (/v1/messages)</option>
           <option value="openai">OpenAI (/v1/chat/completions)</option>
+          <option value="responses">OpenAI Responses (/v1/responses)</option>
         </select>
       </div>
       <div class="hint">
         <b>anthropic</b>：转换为 Anthropic Messages 格式 — 适用于中转站通过 <code>/v1/messages</code> 提供 Claude 模型<br>
         <b>openai</b>：保持 OpenAI Chat Completions 格式 — 适用于 GPT、DeepSeek、Codex 或通过 <code>/v1/chat/completions</code> 提供所有模型的中转站<br>
+        <b>responses</b>：保持 OpenAI Responses 格式 — 适用于中转站仅通过 <code>/v1/responses</code> 提供模型能力<br>
         <b>自动检测</b>：根据上游模型名判断（含 claude → anthropic，其他 → openai）
       </div>
     </div>

static/admin.js

@@ -124,8 +124,18 @@ async function loadMappings() {
   el.innerHTML = '<div class="mapping-list">' + keys.map(name => {
     const m = mappings[name];
     const backend = m.backend || 'auto';
-    const tagClass = backend === 'anthropic' ? 'tag-anthropic' : backend === 'openai' ? 'tag-openai' : 'tag-auto';
-    const tagLabel = backend === 'auto' ? '自动' : backend;
+    const tagClass = backend === 'anthropic'
+      ? 'tag-anthropic'
+      : backend === 'responses'
+        ? 'tag-responses'
+        : backend === 'openai'
+          ? 'tag-openai'
+          : 'tag-auto';
+    const tagLabel = backend === 'auto'
+      ? '自动'
+      : backend === 'responses'
+        ? 'responses'
+        : backend;
     const hasOverride = m.target_url || m.api_key;
     return `<div class="mapping-item">
       <div class="mapping-top">