레벨업 때 행성에 표면 아우라가 떴다 사라짐

app/lib/core/ui/planet_25d.dart

@@ -970,25 +970,8 @@ class _SustainedAura extends CustomPainter {
   final Color color;
   final bool lowEffects;
   @override
-  void paint(Canvas canvas, Size size) {
-    final c = size.center(Offset.zero);
-    final r = size.shortestSide * 0.82;
-    canvas.drawCircle(
-      c,
-      r,
-      Paint()
-        ..shader = RadialGradient(
-          colors: [
-            Colors.transparent,
-            Colors.transparent,
-            const Color(0xFFC1B9FF).withValues(alpha: lowEffects ? 0.19 : 0.3),
-            color.withValues(alpha: lowEffects ? 0.1 : 0.17),
-            Colors.transparent,
-          ],
-          stops: const [0, 0.50, 0.62, 0.76, 1],
-        ).createShader(Rect.fromCircle(center: c, radius: r)),
-    );
-  }
+  void paint(Canvas canvas, Size size) =>
+      paintSurfaceAura(canvas, size, color, lowEffects: lowEffects);
 
   @override
   bool shouldRepaint(_SustainedAura old) =>

app/lib/core/ui/planet_evolution.dart

@@ -346,6 +346,8 @@ class _EvolutionPainter extends CustomPainter {
     const color = AppColors.cosmicAccent;
     final p = progress;
     if (!evolution) {
+      // Figma `2024:20758` 「lv up 시 : 행성에 표면 아우라 발생」 — 진화 5% 전과 같은 표면 아우라가 떴다 사라진다.
+      paintSurfaceAura(canvas, size, color, lowEffects: lowEffects, opacity: 1 - p);
       canvas.drawCircle(
         c,
         radius * (1 + p * 0.5),
@@ -482,6 +484,33 @@ class _HeroPainter extends CustomPainter {
 
 /// Orbit Burst — 기울어진 궤도 고리가 바깥으로 퍼지고 입자가 흩어진다. [burst] 0 → 1.
 /// HERO 발동의 Ring Wave 와 이클립스 성공(v1.5 §5 「짧은 Orbit Burst」)이 같이 쓴다.
+/// 구면에 붙은 표면 아우라 — Stage 6 지속 아우라 · 진화 5% 전 · Level Up 이 같이 쓴다.
+void paintSurfaceAura(
+  Canvas canvas,
+  Size size,
+  Color color, {
+  required bool lowEffects,
+  double opacity = 1,
+}) {
+  final c = size.center(Offset.zero);
+  final r = size.shortestSide * 0.82;
+  canvas.drawCircle(
+    c,
+    r,
+    Paint()
+      ..shader = RadialGradient(
+        colors: [
+          Colors.transparent,
+          Colors.transparent,
+          const Color(0xFFC1B9FF).withValues(alpha: (lowEffects ? 0.19 : 0.3) * opacity),
+          color.withValues(alpha: (lowEffects ? 0.1 : 0.17) * opacity),
+          Colors.transparent,
+        ],
+        stops: const [0, 0.50, 0.62, 0.76, 1],
+      ).createShader(Rect.fromCircle(center: c, radius: r)),
+  );
+}
+
 void paintOrbitBurst(
   Canvas canvas,
   Size size,