feat: DesignSkillPanel — awesome-design-md 前台 UI 集成

- 新增 DesignSkillPanel 组件：54 品牌风格选择网格 + 任务描述输入
- ChatPanel 工具栏增加 design 按钮，点击弹出面板
- 生成结果回填到输入框，用户可编辑后发送
- 新增 API：listDesignStyles / invokeDesignSkill（走 /admin-api/skills/）
- .env.local: H5_DEV_ADMIN=http://127.0.0.1:8085（对接本地 memindadm）

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/components/ChatPanel.tsx

@@ -4,6 +4,7 @@ import { openAvatarPicker } from '../utils/userAvatar';
 import { CHAT_SKILL_OPTIONS, filterChatSkills } from '../utils/chatSkills';
 import { AvatarPicker } from './AvatarPicker';
 import { ChatSkillPicker } from './ChatSkillPicker';
+import { DesignSkillPanel } from './DesignSkillPanel';
 import { MessageList } from './MessageList';
 import { PageSaveDialog } from './PageSaveDialog';
 import { VoiceInputButton } from './VoiceInputButton';
@@ -67,6 +68,7 @@ export function ChatPanel({
 }) {
   const online = useNetworkStatus();
   const [input, setInput] = useState('');
+  const [designPanelOpen, setDesignPanelOpen] = useState(false);
   const [voiceRecording, setVoiceRecording] = useState(false);
   const [pageSource, setPageSource] = useState<Message | null>(null);
   const [voiceNotice, setVoiceNotice] = useState<string | null>(null);
@@ -455,6 +457,25 @@ export function ChatPanel({
               onPrefill={setInput}
             />
           )}
+          <button
+            type="button"
+            className="chat-skill-trigger"
+            title="Design Style Generator"
+            disabled={voiceDisabled}
+            onClick={() => setDesignPanelOpen(true)}
+          >
+            <DesignBtnIcon className="chat-skill-trigger-icon" />
+            <span className="chat-skill-trigger-label">design</span>
+          </button>
+          {designPanelOpen && (
+            <DesignSkillPanel
+              onClose={() => setDesignPanelOpen(false)}
+              onResult={(md) => {
+                setInput(md);
+                setDesignPanelOpen(false);
+              }}
+            />
+          )}
           {chatState === 'streaming' ? (
             <button type="button" className="danger-btn chat-input-action" onClick={() => void onStop()}>
               停止
@@ -479,3 +500,14 @@ export function ChatPanel({
     </>
   );
 }
+
+function DesignBtnIcon({ className }: { className?: string }) {
+  return (
+    <svg className={className} viewBox="0 0 24 24" aria-hidden="true" focusable="false">
+      <path
+        fill="currentColor"
+        d="M12 2C6.48 2 2 6.48 2 12c0 5.52 4.48 10 10 10 1.1 0 2-.9 2-2 0-.52-.2-1-.52-1.36-.3-.35-.48-.83-.48-1.36 0-1.1.9-2 2-2h2.36c3.1 0 5.64-2.54 5.64-5.64C22 6.02 17.52 2 12 2zM6.5 13C5.67 13 5 12.33 5 11.5S5.67 10 6.5 10 8 10.67 8 11.5 7.33 13 6.5 13zm3-4C8.67 9 8 8.33 8 7.5S8.67 6 9.5 6s1.5.67 1.5 1.5S10.33 9 9.5 9zm5 0c-.83 0-1.5-.67-1.5-1.5S13.67 6 14.5 6s1.5.67 1.5 1.5S15.33 9 14.5 9zm3 4c-.83 0-1.5-.67-1.5-1.5S16.67 10 17.5 10s1.5.67 1.5 1.5S18.33 13 17.5 13z"
+      />
+    </svg>
+  );
+}

src/components/DesignSkillPanel.tsx

@@ -0,0 +1,171 @@
+import { useEffect, useRef, useState } from 'react';
+import { invokeDesignSkill, listDesignStyles } from '../api/client';
+
+type Props = {
+  onClose: () => void;
+  onResult: (markdown: string) => void;
+};
+
+const FEATURED: Record<string, string> = {
+  notion: 'Notion',
+  stripe: 'Stripe',
+  apple: 'Apple',
+  vercel: 'Vercel',
+  airbnb: 'Airbnb',
+  'linear.app': 'Linear',
+  figma: 'Figma',
+  spotify: 'Spotify',
+  cursor: 'Cursor',
+  supabase: 'Supabase',
+};
+
+function formatBrandLabel(slug: string) {
+  return FEATURED[slug] ?? slug.replace(/[-_.]/g, ' ').replace(/\b\w/g, (c) => c.toUpperCase());
+}
+
+export function DesignSkillPanel({ onClose, onResult }: Props) {
+  const [designs, setDesigns] = useState<string[]>([]);
+  const [selected, setSelected] = useState<string | null>(null);
+  const [task, setTask] = useState('');
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+  const [fetching, setFetching] = useState(true);
+  const panelRef = useRef<HTMLDivElement>(null);
+  const taskRef = useRef<HTMLTextAreaElement>(null);
+
+  useEffect(() => {
+    listDesignStyles()
+      .then((list) => {
+        const featured = Object.keys(FEATURED).filter((f) => list.includes(f));
+        const rest = list.filter((d) => !FEATURED[d]).sort();
+        setDesigns([...featured, ...rest]);
+      })
+      .catch(() => setDesigns([]))
+      .finally(() => setFetching(false));
+  }, []);
+
+  useEffect(() => {
+    if (selected) taskRef.current?.focus();
+  }, [selected]);
+
+  useEffect(() => {
+    const handler = (e: MouseEvent) => {
+      if (panelRef.current && !panelRef.current.contains(e.target as Node)) onClose();
+    };
+    const keyHandler = (e: KeyboardEvent) => {
+      if (e.key === 'Escape') onClose();
+    };
+    document.addEventListener('mousedown', handler);
+    document.addEventListener('keydown', keyHandler);
+    return () => {
+      document.removeEventListener('mousedown', handler);
+      document.removeEventListener('keydown', keyHandler);
+    };
+  }, [onClose]);
+
+  const handleSubmit = async () => {
+    if (!selected || !task.trim()) return;
+    setLoading(true);
+    setError(null);
+    try {
+      const res = await invokeDesignSkill(selected, task.trim());
+      onResult(res.output ?? '');
+      onClose();
+    } catch (err: unknown) {
+      setError(err instanceof Error ? err.message : '生成失败，请稍后重试');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <div className="design-skill-overlay">
+      <div
+        className="design-skill-panel"
+        ref={panelRef}
+        role="dialog"
+        aria-modal="true"
+        aria-label="Design Style Generator"
+      >
+        <div className="design-skill-header">
+          <span className="design-skill-title">
+            <PaletteIcon />
+            Design Style Generator
+          </span>
+          <button type="button" className="design-skill-close" onClick={onClose} aria-label="关闭">
+            ✕
+          </button>
+        </div>
+
+        <div className="design-skill-body">
+          <p className="design-skill-section-label">选择设计风格</p>
+          {fetching ? (
+            <div className="design-skill-loading">加载中…</div>
+          ) : (
+            <div className="design-skill-grid">
+              {designs.map((d) => (
+                <button
+                  key={d}
+                  type="button"
+                  className={`design-skill-chip${selected === d ? ' selected' : ''}`}
+                  onClick={() => setSelected(selected === d ? null : d)}
+                >
+                  {formatBrandLabel(d)}
+                </button>
+              ))}
+            </div>
+          )}
+
+          {selected && (
+            <>
+              <p className="design-skill-section-label" style={{ marginTop: 16 }}>
+                描述 UI 任务
+                <span className="design-skill-hint"> — {formatBrandLabel(selected)} 风格</span>
+              </p>
+              <textarea
+                ref={taskRef}
+                className="design-skill-task"
+                placeholder={`例：生成一个 ${formatBrandLabel(selected)} 风格的用户卡片，含头像、姓名和操作按钮`}
+                value={task}
+                rows={4}
+                onChange={(e) => setTask(e.target.value)}
+                onKeyDown={(e) => {
+                  if (e.key === 'Enter' && (e.metaKey || e.ctrlKey)) void handleSubmit();
+                }}
+                disabled={loading}
+              />
+              {error && <p className="design-skill-error">{error}</p>}
+            </>
+          )}
+        </div>
+
+        <div className="design-skill-footer">
+          <button
+            type="button"
+            className="design-skill-cancel"
+            onClick={onClose}
+            disabled={loading}
+          >
+            取消
+          </button>
+          <button
+            type="button"
+            className="design-skill-submit"
+            disabled={!selected || !task.trim() || loading}
+            onClick={() => void handleSubmit()}
+          >
+            {loading ? '生成中…' : '生成'}
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}
+
+function PaletteIcon() {
+  return (
+    <svg width="15" height="15" viewBox="0 0 24 24" fill="currentColor" aria-hidden="true">
+      <path d="M12 2C6.48 2 2 6.48 2 12c0 5.52 4.48 10 10 10 1.1 0 2-.9 2-2 0-.52-.2-1-.52-1.36-.3-.35-.48-.83-.48-1.36 0-1.1.9-2 2-2h2.36c3.1 0 5.64-2.54 5.64-5.64C22 6.02 17.52 2 12 2zM6.5 13C5.67 13 5 12.33 5 11.5S5.67 10 6.5 10 8 10.67 8 11.5 7.33 13 6.5 13zm3-4C8.67 9 8 8.33 8 7.5S8.67 6 9.5 6s1.5.67 1.5 1.5S10.33 9 9.5 9zm5 0c-.83 0-1.5-.67-1.5-1.5S13.67 6 14.5 6s1.5.67 1.5 1.5S15.33 9 14.5 9zm3 4c-.83 0-1.5-.67-1.5-1.5S16.67 10 17.5 10s1.5.67 1.5 1.5S18.33 13 17.5 13z"/>
+    </svg>
+  );
+}