feat: add ota and ui changes

app/src/main/java/com/evsuite/abrp/PremiumBackdropView.java

@@ -0,0 +1,33 @@
+package com.evsuite.abrp;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.RadialGradient;
+import android.graphics.Shader;
+import android.util.AttributeSet;
+import android.view.View;
+
+/** Static, low-opacity light behind the glass panels; no blur passes or animation loop. */
+public final class PremiumBackdropView extends View {
+    private final Paint cyan = new Paint(Paint.ANTI_ALIAS_FLAG);
+    private final Paint gold = new Paint(Paint.ANTI_ALIAS_FLAG);
+
+    public PremiumBackdropView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO);
+    }
+
+    @Override protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+        float radius = Math.max(1, Math.max(w, h) * 0.65f);
+        cyan.setShader(new RadialGradient(w * 0.70f, 0, radius,
+                new int[]{0x2419565B, 0x00000000}, null, Shader.TileMode.CLAMP));
+        gold.setShader(new RadialGradient(w, h, radius * 0.65f,
+                new int[]{0x1C8B693A, 0x00000000}, null, Shader.TileMode.CLAMP));
+    }
+
+    @Override protected void onDraw(Canvas canvas) {
+        canvas.drawRect(0, 0, getWidth(), getHeight(), cyan);
+        canvas.drawRect(0, 0, getWidth(), getHeight(), gold);
+    }
+}