Successfully overwrote file: /home/Messier82/projects/service-book/app/build.gradle.kts. Here is the updated code:
...
        vectorDrawables {
            useSupportLibrary = true
        }
    }

    testBuildType = "debug"

    signingConfigs {
        create("release") {
            storeFile = rootProject.file("app/${keystoreProperties["storeFile"] ?: System.getenv("KEYSTORE_FILE") ?: ""}")
            storePassword = (keystoreProperties["storePassword"] ?: System.getenv("KEYSTORE_PASSWORD") ?: "").toString()
...
                !System.getenv("KEYSTORE_FILE").isNullOrEmpty()
            ) {
                signingConfig = signingConfigs.getByName("release")
            }
            isMinifyEnabled = true
            proguardFiles(
                getDefaultProguardFile("proguard-android-optimize.txt"),
                "proguard-rules.pro",
            )
            val dsnRelease =
...
                else -> null
            }
        if (deviceDirName != null) {
            // Set the host-side directory where GMD will pull files from.
            getAdditionalTestOutputDir().set(
                layout.buildDirectory.dir("outputs/managed_device_android_test_additional_output/debug/$deviceDirName"),
            )
        }

        // AGP does not provide a public DSL to set per-ManagedVirtualDevice instrumentation arguments.
        // We use reflection to reach into the internal testData property and its instrumentationRunnerArguments map.
...
                val map = mutableMapOf<String, String>()
                when {
                    taskName.contains("phonePixel6api34", ignoreCase = true) -> {
                        map["package"] = screenshotTestPackage
                        map["additionalTestOutputDir"] = "/sdcard/test-outputs/screenshots"
                        map["hideDeveloperPanel"] = "true"
                    }
                    taskName.contains("tablet7Nexus7api34", ignoreCase = true) -> {
                        map["package"] = screenshotTestPackage
                        map["additionalTestOutputDir"] = "/sdcard/test-outputs/screenshots"
                        map["hideDeveloperPanel"] = "true"
                    }
                    taskName.contains("tablet10PixelTabletApi34", ignoreCase = true) -> {
                        map["package"] = screenshotTestPackage
                        map["additionalTestOutputDir"] = "/sdcard/test-outputs/screenshots"
                        map["hideDeveloperPanel"] = "true"
                    }
                    taskName.contains("pixel2api33", ignoreCase = true) -> {
                        map["notPackage"] = screenshotTestPackage
                        map["additionalTestOutputDir"] = "/sdcard/test-outputs/smoke"
                    }
...

tasks.register<Copy>("generateGmdCoverage") {
    group = "Verification"
    description = "Runs GMD tests and copies the coverage file to the baseline directory."

    dependsOn("pixel2api33DebugAndroidTest")

    from(layout.buildDirectory.dir("outputs/managed_device_code_coverage/debug/pixel2api33")) {
        include("coverage.ec")
    }
    into(layout.projectDirectory.dir("coverage-baselines"))
    rename { "gmd_smoke.ec" }

...
        "screen_06_paywall_dialog.png",
    )
val storeScreenshotsRoot = rootProject.layout.projectDirectory.dir("distribution/store-assets/screenshots")
val storeAdditionalOutputRoots =
    listOf(
        layout.buildDirectory.dir("outputs/managed_device_android_test_additional_output/debug"),
    )

fun registerStoreScreenshotCopy(
    taskPrefix: String,
    deviceTaskName: String,
...
}

val copyPhoneStoreScreenshots =
    registerStoreScreenshotCopy(
        taskPrefix = "Phone",
        deviceTaskName = "phonePixel6api34DebugAndroidTest",
        outputDirectory = "phone",
    )
val copyTablet7StoreScreenshots =
    registerStoreScreenshotCopy(
        taskPrefix = "Tablet7",
        deviceTaskName = "tablet7Nexus7api34DebugAndroidTest",
        outputDirectory = "tablet-7",
        previousCopyTask = copyPhoneStoreScreenshots,
    )
val copyTablet10StoreScreenshots =
    registerStoreScreenshotCopy(
        taskPrefix = "Tablet10",
        deviceTaskName = "tablet10PixelTabletApi34DebugAndroidTest",
        outputDirectory = "tablet-10",
        previousCopyTask = copyTablet7StoreScreenshots,
    )

tasks.register("generateStoreScreenshots") {
...

tasks.register<JacocoReport>("verifyWithCoverage") {
    group = "Verification"
    description = "Runs JVM unit tests and generates a combined coverage report using JaCoCo with the static GMD baseline."

    dependsOn("testDebugUnitTest")

    reports {
        xml.required.set(true)
        html.required.set(true)
    }
...
            // ComposableSingletons are compiler-generated classes for @Composable lambdas
            // that are often static and difficult to cover in unit tests, creating noise.
            "**/*ComposableSingletons*.*",
        )

    val debugTree =
        fileTree(layout.buildDirectory.dir("tmp/kotlin-classes/debug")) {
            exclude(classFilter)
        }
    val javaTree =
        fileTree(layout.buildDirectory.dir("intermediates/javac/debug/classes")) {
            exclude(classFilter)
        }

    classDirectories.setFrom(files(debugTree, javaTree))
    sourceDirectories.setFrom(
        files(
            "src/main/java",
            "src/main/kotlin",
            "src/debug/java",
            "src/debug/kotlin",
        ),
    )

    // Collect all execution data from both unit tests and instrumented tests
    // Using specific roots to avoid implicit dependency issues with other tasks' outputs in the build folder
...