Initial release with production deploy config.

Add GitAtlas deploy assets, DATA_FILE support for isolated server data, and port documentation for sourcing.simosen.cn.

Co-authored-by: Cursor <cursoragent@cursor.com>

public/assets/brand-lockup.svg

@@ -0,0 +1,25 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 720 180" role="img" aria-labelledby="title desc">
+  <title id="title">选品采购台</title>
+  <desc id="desc">竞品采集、货源匹配与采购决策</desc>
+  <defs>
+    <linearGradient id="jade" x1="22" y1="18" x2="158" y2="162" gradientUnits="userSpaceOnUse">
+      <stop stop-color="#249B90"/>
+      <stop offset=".52" stop-color="#0D6A54"/>
+      <stop offset="1" stop-color="#073C31"/>
+    </linearGradient>
+    <linearGradient id="brass" x1="58" y1="54" x2="122" y2="126" gradientUnits="userSpaceOnUse">
+      <stop stop-color="#FFE6A1"/>
+      <stop offset=".55" stop-color="#D39A36"/>
+      <stop offset="1" stop-color="#A56F18"/>
+    </linearGradient>
+  </defs>
+  <rect x="10" y="10" width="160" height="160" rx="36" fill="#FFFDF5"/>
+  <rect x="18" y="18" width="144" height="144" rx="31" fill="url(#jade)"/>
+  <path d="M48 74V57c0-5 4-9 9-9h17M106 48h17c5 0 9 4 9 9v17M132 106v17c0 5-4 9-9 9h-17M74 132H57c-5 0-9-4-9-9v-17" fill="none" stroke="#FFF8E8" stroke-linecap="round" stroke-width="8"/>
+  <path d="M90 57 123 90 90 123 57 90 90 57Z" fill="url(#brass)"/>
+  <path d="M90 70 110 90 90 110 70 90 90 70Z" fill="#FFF8E8"/>
+  <circle cx="90" cy="90" r="10" fill="#0D6A54"/>
+  <circle cx="125" cy="55" r="8" fill="#C9544A" stroke="#FFF8E8" stroke-width="3"/>
+  <text x="205" y="86" fill="#073C31" font-family="Songti SC, STSong, Noto Serif CJK SC, serif" font-size="47" font-weight="700">选品采购台</text>
+  <text x="207" y="128" fill="#65766A" font-family="PingFang SC, Microsoft YaHei, sans-serif" font-size="21" font-weight="500">竞品采集 · 货源匹配 · 采购决策</text>
+</svg>