Initial commit: InTono — app KMP per l'apprendimento musicale

App Kotlin Multiplatform (Android/iOS/Desktop) con Compose Multiplatform:
controllo intonazione (YIN), pratica guidata, metronomo, ear training,
sfide, scansione spartiti via AI, spartiti bundled e pentagramma con
glifi tipografici, travature, battute e spaziatura proporzionale.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

shared/build.gradle.kts

@@ -0,0 +1,103 @@
+plugins {
+    alias(libs.plugins.kotlin.multiplatform)
+    alias(libs.plugins.android.library)
+    alias(libs.plugins.compose.multiplatform)
+    alias(libs.plugins.kotlin.compose)
+    alias(libs.plugins.kotlin.serialization)
+}
+
+kotlin {
+    @OptIn(org.jetbrains.kotlin.gradle.ExperimentalKotlinGradlePluginApi::class)
+    compilerOptions {
+        freeCompilerArgs.add("-Xexpect-actual-classes")
+    }
+
+    applyDefaultHierarchyTemplate()
+
+    androidTarget {
+        compilations.all {
+            kotlinOptions {
+                jvmTarget = "17"
+            }
+        }
+    }
+
+    jvm("desktop") {
+        compilations.all {
+            kotlinOptions {
+                jvmTarget = "17"
+            }
+        }
+    }
+
+    listOf(
+        iosX64(),
+        iosArm64(),
+        iosSimulatorArm64(),
+    ).forEach { target ->
+        target.binaries.framework {
+            baseName = "shared"
+            isStatic = true
+        }
+    }
+
+    sourceSets {
+        commonMain.dependencies {
+            implementation(compose.runtime)
+            implementation(compose.foundation)
+            implementation(compose.material3)
+            implementation(compose.materialIconsExtended)
+            implementation(compose.ui)
+            implementation(compose.components.resources)
+            implementation("org.jetbrains.androidx.lifecycle:lifecycle-viewmodel-compose:2.8.4")
+            implementation("org.jetbrains.androidx.navigation:navigation-compose:2.8.0-alpha10")
+            implementation(libs.kotlinx.coroutines.core)
+            implementation(libs.kotlinx.serialization.json)
+            implementation(libs.ktor.client.core)
+            implementation(libs.ktor.client.content.negotiation)
+            implementation(libs.ktor.serialization.kotlinx.json)
+            implementation(libs.multiplatform.settings)
+        }
+
+        commonTest.dependencies {
+            implementation(libs.kotlin.test)
+            implementation(libs.kotlinx.coroutines.test)
+            implementation(libs.multiplatform.settings.test)
+        }
+
+        androidMain.dependencies {
+            implementation(libs.kotlinx.coroutines.android)
+            implementation(libs.androidx.security.crypto)
+            implementation(libs.ktor.client.cio)
+            implementation(libs.androidx.camera.core)
+            implementation(libs.androidx.camera.camera2)
+            implementation(libs.androidx.camera.lifecycle)
+            implementation(libs.androidx.camera.view)
+        }
+
+        val desktopMain by getting {
+            dependencies {
+                implementation(libs.ktor.client.java)
+                implementation(libs.kotlinx.coroutines.swing)
+            }
+        }
+
+        iosMain.dependencies {
+            implementation(libs.ktor.client.darwin)
+        }
+    }
+}
+
+android {
+    namespace = "com.notemusicali.shared"
+    compileSdk = 35
+
+    defaultConfig {
+        minSdk = 26
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+}