feat: 调用gpt\nano模型方式修改，功能优化，增加下载采集图片等功能

extension/entrypoints/sidepanel/App.tsx

@@ -13,9 +13,10 @@ import { createRoot } from 'react-dom/client';
 import { App as AntApp, ConfigProvider, Popover, Progress, Select } from 'antd';
 import { SettingOutlined, DownloadOutlined, ThunderboltOutlined, UploadOutlined, CloseOutlined } from '@ant-design/icons';
 import type { ScanResult, ImageMaterial } from '../../src/collector/scan';
+import { cleanFilename } from '../../src/collector/url';
 import {
-  buildGeneratePayload, suiteZipUrl, uploadImage,
-  DEFAULT_PLAN, IMAGE_MODEL_OPTIONS, PLATFORM_OPTIONS, PLATFORM_SPECS, STYLE_SET_OPTIONS, WEAK_FIDELITY_MODELS,
+  buildGeneratePayload, downloadSuiteZip, uploadImage, exportImages,
+  DEFAULT_PLAN, IMAGE_MODEL_OPTIONS, PLATFORM_OPTIONS, PLATFORM_SPECS, STYLE_SET_OPTIONS,
   type PlanItem, type SuiteInfo,
 } from '../../src/api/client';
 import { loadSettings, saveSettings, type BackendSettings } from '../../src/storage/settings';
@@ -141,8 +142,8 @@ const App: React.FC = () => {
   // 出图方案
   const [platform, setPlatform] = useState<'ozon' | 'wb' | 'cn'>('ozon');
   const [styleSet, setStyleSet] = useState(1);
-  /** 生图模型（默认 gpt-image-2，走 RightAPI provider） */
-  const [model, setModel] = useState<string>('gpt-image-2');
+  /** 生图模型（默认 gpt-image-2-vip，走 RightAPI provider） */
+  const [model, setModel] = useState<string>('gpt-image-2-vip');
   /** 用户改写的风格提示词（按风格 id 存，切风格不丢） */
   const [stylePrompts, setStylePrompts] = useState<Record<number, string>>({});
   /** 生图要求（最高优先级，强制约束，覆盖其他设定） */
@@ -156,6 +157,10 @@ const App: React.FC = () => {
   // 生成
   const [suite, setSuite] = useState<SuiteInfo | null>(null);
   const [generating, setGenerating] = useState(false);
+  // 导出采集图片
+  const [exporting, setExporting] = useState(false);
+  // 导出生成结果 ZIP
+  const [exportingZip, setExportingZip] = useState(false);
   const pollRef = useRef<ReturnType<typeof setInterval> | null>(null);
   /** 规划请求序号：重新采集时递增，用于丢弃重置后才返回的过期规划响应 */
   const planSeqRef = useRef(0);
@@ -438,12 +443,6 @@ const App: React.FC = () => {
             {STYLE_SET_OPTIONS.find(s => s.value === styleSet)?.label}」，共 {totalPlanned} 张、参考图{' '}
             {selectedKeys.size} 张。生成需要几分钟，可在下方查看进度。
           </div>
-          {WEAK_FIDELITY_MODELS.has(model) && (
-            <div style={{ marginTop: 8, color: '#d4380d', fontWeight: 600 }}>
-              ⚠️ 「{model}」为官逆通道，商品还原度不稳定，可能生成与原商品不符的图片。建议先只出 1
-              张确认效果，正式套图请改用 gpt-image-2。
-            </div>
-          )}
         </div>
       ),
       okText: '开始生成', cancelText: '取消',
@@ -451,9 +450,27 @@ const App: React.FC = () => {
     });
   };
 
-  const handleExport = () => {
+  const handleExport = async () => {
     if (!suite) return;
-    chrome.tabs.create({ url: suiteZipUrl(settings.baseUrl, suite.id) });
+    setExportingZip(true);
+    try {
+      const blob = await downloadSuiteZip(settings.baseUrl, settings.token, suite.id);
+      const objectUrl = URL.createObjectURL(blob);
+      try {
+        await chrome.downloads.download({
+          url: objectUrl,
+          filename: `${cleanFilename(productTitle) || '套图'}.zip`,
+          saveAs: false,
+        });
+      } finally {
+        // 延迟释放，给下载任务足够时间读取 blob
+        setTimeout(() => URL.revokeObjectURL(objectUrl), 30_000);
+      }
+    } catch (e) {
+      modal.error({ title: '导出失败', content: e instanceof Error ? e.message : String(e), okText: '知道了' });
+    } finally {
+      setExportingZip(false);
+    }
   };
 
   const toggleKey = (key: string) => {
@@ -465,9 +482,50 @@ const App: React.FC = () => {
   /** 全部可选图片：采集结果 + 手动上传（上传图单独一组「upload」） */
   const allImages: ImageMaterial[] = result ? [...result.images, ...uploadedImages] : uploadedImages;
 
+  /** 导出文件名的商品标题（编辑态优先，回退采集标题） */
+  const productTitle = titleEdit.trim()
+    || result?.texts.find(t => t.kind === 'title')?.content?.trim()
+    || '';
+
   const groupImages = (groupKey: string): ImageMaterial[] =>
     allImages.filter(i => i.groupKey === groupKey);
 
+  /** 下载采集图片：只打包已勾选的图片（后端按分组名建文件夹），前端经 chrome.downloads 落盘 */
+  const handleExportImages = async () => {
+    const imgs = allImages.filter(i => i.type === 'img' && selectedKeys.has(i.key));
+    if (imgs.length === 0) {
+      modal.warning({ title: '请先勾选要下载的图片' });
+      return;
+    }
+    setExporting(true);
+    try {
+      const blob = await exportImages(settings.baseUrl, settings.token, {
+        title: productTitle,
+        images: imgs.map(i => ({
+          url: i.url,
+          groupName: i.groupName,
+          variantName: i.variantName ?? null,
+          key: i.key,
+        })),
+      });
+      const objectUrl = URL.createObjectURL(blob);
+      try {
+        await chrome.downloads.download({
+          url: objectUrl,
+          filename: `${cleanFilename(productTitle) || '采集图片'}.zip`,
+          saveAs: false,
+        });
+      } finally {
+        // 延迟释放，给下载任务足够时间读取 blob
+        setTimeout(() => URL.revokeObjectURL(objectUrl), 30_000);
+      }
+    } catch (e) {
+      modal.error({ title: '导出失败', content: e instanceof Error ? e.message : String(e), okText: '知道了' });
+    } finally {
+      setExporting(false);
+    }
+  };
+
   /** 预览用的全量图序列（主图→SKU→详情→上传，与展示顺序一致） */
   const collectedPreviewList: string[] = (['main', 'sku', 'detail', 'upload'] as const)
     .flatMap(g => groupImages(g).map(i => i.url));
@@ -484,6 +542,19 @@ const App: React.FC = () => {
     setPlan(prev => prev.map((p, i) => i === idx ? { ...p, count } : p));
   };
 
+  /** 全部方案是否都启用（任一为 0 即视为未全选，复选框随方案状态联动） */
+  const planAllEnabled = plan.every(p => p.count >= 1);
+
+  /** 批量开关：勾选 → 全部至少 1 张（用户已设 >1 的保留原数量）；取消勾选 → 全部 0，方便单独勾选一种方案 */
+  const togglePlanAll = (on: boolean) => {
+    setPlan(prev => prev.map(p => on ? { ...p, count: Math.max(p.count, 1) } : { ...p, count: 0 }));
+  };
+
+  /** 点击方案行：勾选（0 → 1）/ 取消勾选（>0 → 0），配合"全部方案"开关单独选一种 */
+  const togglePlanRow = (idx: number) => {
+    setPlan(prev => prev.map((p, i) => i === idx ? { ...p, count: p.count > 0 ? 0 : 1 } : p));
+  };
+
   /** 手动上传：点击触发隐藏的 file input */
   const handleUpload = () => fileRef.current?.click();
 
@@ -739,6 +810,14 @@ const App: React.FC = () => {
               ))}
             </div>
           )}
+          {allImages.some(i => i.type === 'img') && (
+            <div className="img-export-bar">
+              <button className="btn btn-sm" onClick={handleExportImages} disabled={exporting}>
+                <DownloadOutlined /> {exporting ? '下载中…' : '下载采集图片'}
+              </button>
+              <span className="hint">下载已勾选图片（{allImages.filter(i => i.type === 'img' && selectedKeys.has(i.key)).length} 张）</span>
+            </div>
+          )}
         </Section>
       </div>
 
@@ -765,17 +844,35 @@ const App: React.FC = () => {
       >
         <div className="plan-list">
           {plan.map((p, idx) => (
-            <div key={idx} className={`plan-row ${p.count === 0 ? 'off' : ''}`}>
+            <div
+              key={idx}
+              className={`plan-row ${p.count === 0 ? 'off' : ''}`}
+              title="点击勾选/取消该方案（数量用右侧 ± 调整）"
+              onClick={() => togglePlanRow(idx)}
+            >
               <div className="plan-main">
                 <span className="plan-title">{p.title}</span>
                 {p.variant_name && <span className="variant-chip">{p.variant_name}</span>}
                 {p.detail && <span className="plan-detail" title={p.detail}>{p.detail}</span>}
                 {p.prompt_hint && <span className="plan-detail plan-hint" title={p.prompt_hint}>🎯 {p.prompt_hint}</span>}
               </div>
-              <Stepper value={p.count} onChange={(v) => setPlanCount(idx, v)} />
+              <span onClick={(e) => e.stopPropagation()}>
+                <Stepper value={p.count} onChange={(v) => setPlanCount(idx, v)} />
+              </span>
             </div>
           ))}
         </div>
+        <div className="plan-all-toggle">
+          <label className="auto-chk" title="勾选：全部方案至少 1 张（>1 张保留原数量）；取消勾选：全部改为 0，方便单独勾选一种方案">
+            <input
+              type="checkbox"
+              checked={planAllEnabled}
+              onChange={(e) => togglePlanAll(e.target.checked)}
+            />
+            全部方案
+          </label>
+          <span className="hint">取消勾选后全部为 0，点选需要的方案行即可单独出图</span>
+        </div>
         <div style={{ display: 'flex', alignItems: 'center', gap: 10, margin: '10px 0 4px' }}>
           {planSource === 'ai' && (
             <button
@@ -875,8 +972,8 @@ const App: React.FC = () => {
         title="生成结果"
         extra={
           suite && ['done', 'partial'].includes(suite.status) && (
-            <button className="btn btn-sm" onClick={handleExport}>
-              <DownloadOutlined /> 导出 ZIP
+            <button className="btn btn-sm" onClick={handleExport} disabled={exportingZip}>
+              <DownloadOutlined /> {exportingZip ? '导出中…' : '导出 ZIP'}
             </button>
           )
         }