refactor(mcp): improve form modal layout with adaptive height editor

Restructure MCP form modal for better space utilization.
- Split form into upper form fields and lower JSON editor sections
- Add full-height mode support for JsonEditor component
- Use flex layout for editor to fill available space
- Update PromptFormPanel to use full-height editor
- Fix locale text formatting

src/components/JsonEditor.tsx

@@ -247,14 +247,23 @@ const JsonEditor: React.FC<JsonEditorProps> = ({
     }
   };
 
+  const isFullHeight = height === "100%";
+
   return (
-    <div style={{ width: "100%" }}>
-      <div ref={editorRef} style={{ width: "100%" }} />
+    <div
+      style={{ width: "100%", height: isFullHeight ? "100%" : "auto" }}
+      className={isFullHeight ? "flex flex-col" : ""}
+    >
+      <div
+        ref={editorRef}
+        style={{ width: "100%", height: isFullHeight ? undefined : "auto" }}
+        className={isFullHeight ? "flex-1 min-h-0" : ""}
+      />
       {language === "json" && (
         <button
           type="button"
           onClick={handleFormat}
-          className="mt-2 inline-flex items-center gap-1.5 px-3 py-1.5 text-xs font-medium text-gray-700 dark:text-gray-300 hover:text-blue-600 dark:hover:text-blue-400 transition-colors"
+          className={`${isFullHeight ? "mt-2 flex-shrink-0" : "mt-2"} inline-flex items-center gap-1.5 px-3 py-1.5 text-xs font-medium text-gray-700 dark:text-gray-300 hover:text-blue-600 dark:hover:text-blue-400 transition-colors`}
         >
           <Wand2 className="w-3.5 h-3.5" />
           {t("common.format", { defaultValue: "格式化" })}

src/components/mcp/McpFormModal.tsx

@@ -429,7 +429,9 @@ const McpFormModal: React.FC<McpFormModalProps> = ({
           </Button>
         }
       >
-        <div className="glass rounded-xl p-6 border border-white/10 space-y-6">
+        <div className="flex flex-col h-full gap-6">
+          {/* 上半部分：表单字段 */}
+          <div className="glass rounded-xl p-6 border border-white/10 space-y-6 flex-shrink-0">
             {/* 预设选择（仅新增时展示） */}
             {!isEditing && (
               <div>
@@ -440,8 +442,7 @@ const McpFormModal: React.FC<McpFormModalProps> = ({
                   <button
                     type="button"
                     onClick={applyCustom}
-                  className={`inline-flex items-center gap-2 px-4 py-2 rounded-lg text-sm font-medium transition-colors ${
-                    selectedPreset === -1
+                    className={`inline-flex items-center gap-2 px-4 py-2 rounded-lg text-sm font-medium transition-colors ${selectedPreset === -1
                         ? "bg-emerald-500 text-white dark:bg-emerald-600"
                         : "bg-accent text-muted-foreground hover:bg-accent/80"
                       }`}
@@ -455,8 +456,7 @@ const McpFormModal: React.FC<McpFormModalProps> = ({
                         key={preset.id}
                         type="button"
                         onClick={() => applyPreset(idx)}
-                      className={`inline-flex items-center gap-2 px-4 py-2 rounded-lg text-sm font-medium transition-colors ${
-                        selectedPreset === idx
+                        className={`inline-flex items-center gap-2 px-4 py-2 rounded-lg text-sm font-medium transition-colors ${selectedPreset === idx
                             ? "bg-emerald-500 text-white dark:bg-emerald-600"
                             : "bg-accent text-muted-foreground hover:bg-accent/80"
                           }`}
@@ -628,10 +628,11 @@ const McpFormModal: React.FC<McpFormModalProps> = ({
                 </div>
               </>
             )}
+          </div>
 
-          {/* 配置输入框 */}
-          <div>
-            <div className="flex items-center justify-between mb-2">
+          {/* 下半部分：JSON 配置编辑器 - 自适应剩余高度 */}
+          <div className="glass rounded-xl p-6 border border-white/10 flex flex-col flex-1 min-h-0">
+            <div className="flex items-center justify-between mb-4 flex-shrink-0">
               <label className="text-sm font-medium text-foreground">
                 {useToml ? t("mcp.form.tomlConfig") : t("mcp.form.jsonConfig")}
               </label>
@@ -645,6 +646,8 @@ const McpFormModal: React.FC<McpFormModalProps> = ({
                 </button>
               )}
             </div>
+            <div className="flex-1 min-h-0 flex flex-col">
+              <div className="flex-1 min-h-0">
                 <JsonEditor
                   value={formConfig}
                   onChange={handleConfigChange}
@@ -657,16 +660,18 @@ const McpFormModal: React.FC<McpFormModalProps> = ({
                   rows={12}
                   showValidation={!useToml}
                   language={useToml ? "javascript" : "json"}
-              height="300px"
+                  height="100%"
                 />
+              </div>
               {configError && (
-              <div className="flex items-center gap-2 mt-2 text-red-500 dark:text-red-400 text-sm">
+                <div className="flex items-center gap-2 mt-2 text-red-500 dark:text-red-400 text-sm flex-shrink-0">
                   <AlertCircle size={16} />
                   <span>{configError}</span>
                 </div>
               )}
             </div>
           </div>
+        </div>
       </FullScreenPanel>
 
       {/* Wizard Modal */}

src/components/prompts/PromptFormPanel.tsx

@@ -142,7 +142,7 @@ const PromptFormPanel: React.FC<PromptFormPanelProps> = ({
             onChange={setContent}
             placeholder={t("prompts.contentPlaceholder", { filename })}
             darkMode={isDarkMode}
-            minHeight="500px"
+            minHeight="167px"
           />
         </div>
       </div>