add support for PayMV QR scan

app/build.gradle.kts

@@ -5,12 +5,12 @@ plugins {
 
 android {
     namespace = "sh.sar.basedbank"
-    compileSdk = 35
+    compileSdk = 36
 
     defaultConfig {
         applicationId = "sh.sar.basedbank"
         minSdk = 26
-        targetSdk = 35
+        targetSdk = 36
         versionCode = 1
         versionName = "1.0"
 
@@ -61,6 +61,14 @@ dependencies {
     // Coroutines
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.3")
 
+    // QR scanning — CameraX + zxing-cpp (MIT, same stack as BinaryEye)
+    implementation("androidx.camera:camera-core:1.4.2")
+    implementation("androidx.camera:camera-camera2:1.4.2")
+    implementation("androidx.camera:camera-lifecycle:1.4.2")
+    implementation("androidx.camera:camera-view:1.4.2")
+    implementation("com.github.markusfisch:zxing-cpp:v3.0.2.5")
+
+
     // Biometric authentication
     implementation("androidx.biometric:biometric:1.1.0")