feat: scaffold counter_kt via init_kotlin_app

.gitignore

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+.gradle/
+build/
+local.properties
+*.iml
+.idea/
+captures/
+.externalNativeBuild/
+.cxx/
+*.apk
+*.aab
+app/src/test/snapshots/

README.md

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+# counter_kt
+
+Counter demo: validates FnTheme + Material3 + state + tests
+
+Generado con `init_kotlin_app` del registry fn_registry.
+
+## Requisitos
+
+- Android SDK 34
+- JDK 17
+- Gradle 8.6 (via wrapper)
+- `kotlin/functions/ui` modulo del registry (composite build)
+
+## Build rapido
+
+```bash
+fn run gradle_assemble_debug_bash_infra apps/counter_kt
+```

app.md

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+---
+name: counter_kt
+description: "Counter demo: validates FnTheme + Material3 + state + tests"
+tags: [demo, counter, kotlin, compose, android]
+lang: kt
+framework: compose
+entry_point: "app/src/main/kotlin/com/fnregistry/counterkt/MainActivity.kt"
+dir_path: "apps/counter_kt"
+repo_url: "https://gitea.organic-machine.com/dataforge/counter_kt"
+uses_functions:
+  - fn_theme_kt_ui
+  - fn_tokens_kt_ui
+uses_types: []
+e2e_checks:
+  - id: unit
+    cmd: "fn run gradle_unit_test_bash_infra apps/counter_kt"
+    timeout_s: 240
+  - id: screenshot
+    cmd: "fn run gradle_screenshot_test_bash_infra apps/counter_kt"
+    timeout_s: 240
+  - id: build
+    cmd: "fn run gradle_assemble_debug_bash_infra apps/counter_kt"
+    timeout_s: 360
+  - id: emu_start
+    cmd: "fn run android_emulator_start_bash_infra Medium_Phone_API_35"
+    timeout_s: 240
+  - id: instrumented
+    cmd: "fn run gradle_instrumented_test_bash_infra apps/counter_kt"
+    timeout_s: 600
+  - id: emu_stop
+    cmd: "fn run android_emulator_stop_bash_infra"
+    severity: warning
+    timeout_s: 30
+---
+
+# counter_kt
+
+Counter demo: validates FnTheme + Material3 + state + tests
+
+## Build
+
+```bash
+fn run gradle_assemble_debug_bash_infra apps/counter_kt
+```
+
+## Tests unitarios + Roborazzi screenshots
+
+```bash
+fn run gradle_unit_test_bash_infra apps/counter_kt
+fn run gradle_screenshot_test_bash_infra apps/counter_kt
+```
+
+## Tests instrumentados (requiere emulador)
+
+```bash
+fn run android_emulator_start_bash_infra Medium_Phone_API_35
+fn run gradle_instrumented_test_bash_infra apps/counter_kt
+fn run android_emulator_stop_bash_infra
+```
+
+## Package
+
+`com.fnregistry.counterkt`
+
+## FnTheme
+
+La app usa FnTheme y FnTokens via composite build en `kotlin/functions/ui`.
+Para cambiar colores o tipografia, editar el modulo del registry.

app/build.gradle.kts

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+plugins {
+    id("com.android.application") version "8.4.0"
+    id("org.jetbrains.kotlin.android") version "1.9.22"
+    id("io.github.takahirom.roborazzi") version "1.20.0"
+}
+
+android {
+    namespace = "com.fnregistry.counterkt"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "com.fnregistry.counterkt"
+        minSdk = 24
+        targetSdk = 34
+        versionCode = 1
+        versionName = "0.1.0"
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildFeatures {
+        compose = true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.5.8"
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+    kotlinOptions {
+        jvmTarget = "17"
+    }
+    testOptions {
+        unitTests {
+            isIncludeAndroidResources = true
+            all {
+                it.systemProperty("robolectric.graphicsMode", "NATIVE")
+            }
+        }
+    }
+}
+
+dependencies {
+    implementation("androidx.activity:activity-compose:1.8.2")
+    implementation(platform("androidx.compose:compose-bom:2024.02.00"))
+    implementation("androidx.compose.ui:ui")
+    implementation("androidx.compose.material3:material3")
+    implementation("androidx.compose.ui:ui-tooling-preview")
+    debugImplementation("androidx.compose.ui:ui-tooling")
+    // FnTheme + FnTokens via composite build
+    implementation("fn.compose:ui")
+
+    testImplementation("junit:junit:4.13.2")
+    testImplementation("org.robolectric:robolectric:4.11.1")
+    testImplementation("androidx.compose.ui:ui-test-junit4")
+    testImplementation("io.github.takahirom.roborazzi:roborazzi:1.20.0")
+    testImplementation("io.github.takahirom.roborazzi:roborazzi-compose:1.20.0")
+    testImplementation("io.github.takahirom.roborazzi:roborazzi-junit-rule:1.20.0")
+    androidTestImplementation("androidx.test.ext:junit:1.1.5")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+    androidTestImplementation("androidx.compose.ui:ui-test-junit4")
+    debugImplementation("androidx.compose.ui:ui-test-manifest")
+}

app/src/androidTest/kotlin/com/fnregistry/counterkt/MainActivityTest.kt

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+package com.fnregistry.counterkt
+
+import androidx.compose.ui.test.assertIsDisplayed
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.compose.ui.test.onNodeWithText
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class MainActivityTest {
+
+    @get:Rule
+    val composeTestRule = createAndroidComposeRule<MainActivity>()
+
+    @Test
+    fun appLaunchesAndShowsReadyText() {
+        composeTestRule
+            .onNodeWithText("counter_kt ready")
+            .assertIsDisplayed()
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application
+        android:allowBackup="true"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.AppCompat.Light.NoActionBar">
+
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/kotlin/com/fnregistry/counterkt/MainActivity.kt

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+package com.fnregistry.counterkt
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import fn.compose.theme.FnTheme
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContent {
+            FnTheme {
+                Surface(modifier = Modifier.fillMaxSize()) {
+                    Text("counter_kt ready")
+                }
+            }
+        }
+    }
+}

app/src/main/res/values/strings.xml

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+<resources>
+    <string name="app_name">counter_kt</string>
+</resources>

app/src/test/kotlin/com/fnregistry/counterkt/ExampleScreenshotTest.kt

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+package com.fnregistry.counterkt
+
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.ui.test.junit4.createComposeRule
+import com.github.takahirom.roborazzi.RoborazziRule
+import fn.compose.theme.FnTheme
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.GraphicsMode
+
+@RunWith(RobolectricTestRunner::class)
+@GraphicsMode(GraphicsMode.Mode.NATIVE)
+class ExampleScreenshotTest {
+
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @get:Rule
+    val roborazziRule = RoborazziRule(
+        options = RoborazziRule.Options(
+            outputDirectoryPath = "src/test/snapshots/images",
+        ),
+    )
+
+    @Test
+    fun screenshotFnThemeSurface() {
+        composeTestRule.setContent {
+            FnTheme {
+                Surface {
+                    Text("counter_kt screenshot")
+                }
+            }
+        }
+        // Captura automaticamente al finalizar el test via RoborazziRule
+    }
+}

build.gradle.kts

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+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    id("com.android.application") version "8.4.0" apply false
+    id("org.jetbrains.kotlin.android") version "1.9.22" apply false
+}

gradle.properties

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+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+android.useAndroidX=true
+kotlin.code.style=official
+android.nonTransitiveRClass=true

gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

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+#!/usr/bin/env bash
+# Gradle wrapper stub — descarga gradle-wrapper.jar si no existe.
+# En CI / en WSL instalar el wrapper real con: gradle wrapper --gradle-version 8.6
+set -euo pipefail
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+exec "$SCRIPT_DIR/gradle/wrapper/gradlew" "$@" 2>/dev/null || \
+    exec gradle "$@"

settings.gradle.kts

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+pluginManagement {
+    repositories {
+        gradlePluginPortal()
+        google()
+        mavenCentral()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+rootProject.name = "counter_kt"
+include(":app")
+
+// Composite build: FnTheme + FnTokens desde el registry
+includeBuild("../../kotlin/functions/ui") {
+    dependencySubstitution {
+        substitute(module("fn.compose:ui")).using(project(":"))
+    }
+}