chore: 全量推送 · 累积页面改动 + Next.js 工程骨架 + v1/ 归档 + 文档

页面 (电商AI平台/)
- account / team / settings / index / products / projects: 累积迭代
- restraint.css: 设计 token 补充
- login.html / register.html: 新增登录注册页
- _ARCHIVE.md: 归档说明

Next.js 工程骨架
- app/ + components/: 新一代 SPA 雏形 (page / layout / sidebar / topbar / GridBg / Icon)
- package.json / package-lock.json / next.config.mjs / tsconfig.json / postcss.config.mjs / next-env.d.ts

历史归档 / 文档
- v1/: 原 V1 静态稿镜像 (含 mockup-A/B/C)
- PRD.md / deployment-guide.md / _check.html
- ui参考/ / screenshots/

杂项
- .gitignore 调整
- 删除根 README.md

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

电商AI平台/assets/restraint.css

@@ -1440,3 +1440,32 @@ table.t tbody tr:hover { background: var(--black-alpha-4); }
   animation: spin 0.8s linear infinite;
 }
 @keyframes spin { to { transform: rotate(360deg); } }
+
+/* ─── 缺三视图 badge · 商品 / 人物 卡片 thumb 左上角提示 ─── */
+.tri-missing-badge {
+  position: absolute;
+  top: 8px; left: 8px;
+  z-index: 2;
+  display: inline-flex; align-items: center; gap: 5px;
+  padding: 3px 8px 3px 6px;
+  background: var(--heat);
+  color: var(--accent-white);
+  font-family: var(--font-mono);
+  font-size: 10.5px;
+  font-weight: 500;
+  letter-spacing: .03em;
+  border-radius: var(--r-sm);
+  box-shadow: 0 1px 2px rgba(0,0,0,.12);
+  pointer-events: none;
+  user-select: none;
+}
+.tri-missing-badge::before {
+  content: '!';
+  width: 12px; height: 12px;
+  border: 1px solid currentColor;
+  border-radius: 50%;
+  display: grid; place-items: center;
+  font-size: 9px; font-weight: 700;
+  line-height: 1;
+}
+.tri-missing-badge .lbl-mono { font-family: var(--font-mono); letter-spacing: .04em; }