feat(snapshot): Add enabled flag to snapshots extension

Gate test generation and dependency addition on snapshots.enabled
so that applying Paparazzi alongside the Sentry plugin doesn't
affect normal Paparazzi task execution. Defaults to false.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: runningcode

plugin-build/src/main/kotlin/io/sentry/android/gradle/SentryPlugin.kt

@@ -73,12 +73,14 @@ constructor(private val buildEvents: BuildEventListenerRegistryInternal) : Plugi
       project.pluginManager.withPlugin("app.cash.paparazzi") {
         val android = project.extensions.getByType(BaseExtension::class.java)
 
-        project.dependencies.add(
-          "testImplementation",
-          "io.github.sergio-sastre.ComposablePreviewScanner:android:0.8.1",
-        )
-
         androidComponentsExt.onVariants { variant ->
+          if (!extension.snapshots.enabled.get()) return@onVariants
+
+          project.dependencies.add(
+            "testImplementation",
+            "io.github.sergio-sastre.ComposablePreviewScanner:android:0.8.1",
+          )
+
           val generateTask =
             GenerateSnapshotTestsTask.register(project, extension.snapshots, android, variant)
           if (AgpVersions.isAGP90(AgpVersions.CURRENT)) {

plugin-build/src/main/kotlin/io/sentry/android/gradle/extensions/SnapshotsExtension.kt

@@ -9,6 +9,8 @@ import org.jetbrains.annotations.ApiStatus
 @ApiStatus.Experimental
 open class SnapshotsExtension @Inject constructor(objects: ObjectFactory) {
 
+  val enabled: Property<Boolean> = objects.property(Boolean::class.java).convention(false)
+
   val includePrivatePreviews: Property<Boolean> =
     objects.property(Boolean::class.java).convention(false)