Import miniabs 1.0 source

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

res/drawable/btn_round.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="true">
+        <shape android:shape="oval"><solid android:color="#FFC766" /></shape>
+    </item>
+    <item>
+        <shape android:shape="oval"><solid android:color="@color/accent" /></shape>
+    </item>
+</selector>