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

apps/DEMO-miniprogram/miniprogram/assets/icons/feature-task.svg

@@ -0,0 +1,28 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 80 80" fill="none">
+  <defs>
+    <linearGradient id="tg" x1="0" y1="0" x2="80" y2="80" gradientUnits="userSpaceOnUse">
+      <stop offset="0%" stop-color="#4f8ef7"/>
+      <stop offset="100%" stop-color="#1a5fd8"/>
+    </linearGradient>
+    <linearGradient id="tg2" x1="0" y1="0" x2="1" y2="1">
+      <stop offset="0%" stop-color="#7ab4ff"/>
+      <stop offset="100%" stop-color="#4f8ef7"/>
+    </linearGradient>
+    <filter id="ts" x="-20%" y="-20%" width="140%" height="140%">
+      <feDropShadow dx="0" dy="3" stdDeviation="3" flood-color="#1a5fd8" flood-opacity="0.35"/>
+    </filter>
+  </defs>
+  <!-- clipboard body -->
+  <rect x="16" y="14" width="48" height="56" rx="8" fill="url(#tg)" filter="url(#ts)"/>
+  <!-- clip top tab -->
+  <rect x="28" y="10" width="24" height="12" rx="6" fill="#7ab4ff"/>
+  <!-- white card shine -->
+  <rect x="22" y="28" width="36" height="5" rx="2.5" fill="white" opacity="0.9"/>
+  <rect x="22" y="38" width="28" height="4" rx="2" fill="white" opacity="0.6"/>
+  <rect x="22" y="47" width="32" height="4" rx="2" fill="white" opacity="0.6"/>
+  <rect x="22" y="56" width="20" height="4" rx="2" fill="white" opacity="0.4"/>
+  <!-- check circle -->
+  <circle cx="60" cy="58" r="12" fill="#fff" opacity="0.15"/>
+  <circle cx="60" cy="58" r="9" fill="#e8f1ff" stroke="#7ab4ff" stroke-width="1.5"/>
+  <polyline points="55.5,58 58.5,61 64.5,55" stroke="#1a5fd8" stroke-width="2.2" stroke-linecap="round" stroke-linejoin="round" fill="none"/>
+</svg>