Initial commit: 风影 OA 全栈源码（API/Web/Flutter/IM）

含 Phase 1.1 IM seq 排序、断线重连、多端已读同步与微信式语音转文字 UI。
排除 node_modules、构建产物、安装包与 .env 密钥。

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

apps/web/public/brand/fengying-logo.svg

@@ -0,0 +1,15 @@
+<svg width="1024" height="1024" viewBox="0 0 80 80" fill="none" xmlns="http://www.w3.org/2000/svg">
+  <defs>
+    <linearGradient id="fy-bg" x1="10" y1="0" x2="70" y2="80" gradientUnits="userSpaceOnUse">
+      <stop stop-color="#5b4fe3"/>
+      <stop offset="1" stop-color="#7c3aed"/>
+    </linearGradient>
+  </defs>
+  <rect x="1" y="1" width="78" height="78" rx="20" fill="url(#fy-bg)"/>
+  <path d="M22 20h28c5 0 9 4 9 9v6" stroke="#fff" stroke-width="6.5" stroke-linecap="round" fill="none"/>
+  <path d="M22 20v40" stroke="#fff" stroke-width="6.5" stroke-linecap="round"/>
+  <path d="M28 34h22" stroke="#fff" stroke-width="5.5" stroke-linecap="round"/>
+  <path d="M34 26l16 28" stroke="#fff" stroke-width="5.5" stroke-linecap="round"/>
+  <path d="M50 26L34 54" stroke="#fff" stroke-width="5.5" stroke-linecap="round"/>
+  <path d="M20 58c14 10 32 10 44-6" stroke="#fff" stroke-width="5" stroke-linecap="round" fill="none"/>
+</svg>