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>

components/GridBg.tsx

@@ -0,0 +1,38 @@
+export default function GridBg() {
+  return (
+    <>
+      <div className="grid-bg" aria-hidden />
+      <pre className="scatter" style={{ top: 96, left: 280 }} aria-hidden>
+{`  · ·  +
+ ·  +XX+
+  +XXXX·
+   +X·  `}
+      </pre>
+      <pre className="scatter" style={{ top: 340, right: 96 }} aria-hidden>
+{`+   ·  ·
+ XX· ·
+·XXXX·+
+ ·++·  `}
+      </pre>
+      <pre className="scatter" style={{ bottom: 160, left: "42%" }} aria-hidden>
+{` ·    +
++·XX·
+ ·X+ ·
+   ·   `}
+      </pre>
+      <pre className="scatter" style={{ top: 580, left: 60 }} aria-hidden>
+{`  +X·
+ ·XX·
++·X·+`}
+      </pre>
+      <span className="sq" style={{ top: 238, left: 478 }} aria-hidden />
+      <span className="sq" style={{ top: 478, left: 1198 }} aria-hidden />
+      <span className="sq" style={{ bottom: 300, left: 238 }} aria-hidden />
+      <span className="sq" style={{ top: 718, right: 240 }} aria-hidden />
+      <span className="corner-tag" style={{ top: 158, left: 34 }} aria-hidden>[ 200 OK ]</span>
+      <span className="corner-tag" style={{ top: 158, right: 34 }} aria-hidden>[ /v2 ]</span>
+      <span className="corner-tag" style={{ bottom: 36, left: 34 }} aria-hidden>[ .MP4 · 9:16 ]</span>
+      <span className="corner-tag" style={{ bottom: 36, right: 34 }} aria-hidden>[ STUDIO ]</span>
+    </>
+  );
+}