feat: batch update - gift card breakdown spec, backend APIs, miniprogram pages, ETL finance recharge, docs & migrations

apps/DEMO-miniprogram/miniprogram/assets/icons/ai-robot.svg

@@ -0,0 +1,21 @@
+<svg width="30" height="30" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+  <!-- 机器人头部 -->
+  <rect x="5" y="7" width="14" height="12" rx="4" fill="white"/>
+  <!-- 天线 -->
+  <path d="M12 7V4" stroke="white" stroke-width="2" stroke-linecap="round"/>
+  <circle cx="12" cy="3" r="1.5" fill="white"/>
+  <!-- 眼睛 -->
+  <circle cx="9" cy="11.5" r="2" fill="#667eea"/>
+  <circle cx="15" cy="11.5" r="2" fill="#667eea"/>
+  <!-- 眼睛高光 -->
+  <circle cx="9.5" cy="11" r="0.7" fill="white"/>
+  <circle cx="15.5" cy="11" r="0.7" fill="white"/>
+  <!-- 微笑嘴巴 -->
+  <path d="M9.5 15C10 16 14 16 14.5 15" stroke="#667eea" stroke-width="1.5" stroke-linecap="round"/>
+  <!-- 腮红 -->
+  <circle cx="7" cy="13.5" r="1" fill="#f5a0c0" opacity="0.6"/>
+  <circle cx="17" cy="13.5" r="1" fill="#f5a0c0" opacity="0.6"/>
+  <!-- 耳朵 -->
+  <rect x="3" y="10" width="2" height="4" rx="1" fill="white"/>
+  <rect x="19" y="10" width="2" height="4" rx="1" fill="white"/>
+</svg>