feat: establish Android project foundation

android/core/designsystem/build.gradle.kts

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+plugins {
+    alias(libs.plugins.android.library)
+    alias(libs.plugins.kotlin.android)
+}
+
+android {
+    namespace = "com.flagship.abox.manager.designsystem"
+    compileSdk = 34
+
+    defaultConfig {
+        minSdk = 26
+    }
+
+    buildFeatures {
+        compose = true
+    }
+
+    composeOptions {
+        kotlinCompilerExtensionVersion = libs.versions.composeCompiler.get()
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+
+    kotlinOptions {
+        jvmTarget = "17"
+    }
+}
+
+dependencies {
+    implementation(platform(libs.compose.bom))
+    implementation(libs.compose.ui)
+    implementation(libs.compose.ui.tooling.preview)
+    implementation(libs.compose.material3)
+    debugImplementation(libs.compose.ui.tooling)
+}

android/core/designsystem/src/main/AndroidManifest.xml

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+<manifest />

android/core/designsystem/src/main/kotlin/com/flagship/abox/manager/designsystem/Components.kt

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+package com.flagship.abox.manager.designsystem
+
+import androidx.compose.foundation.layout.RowScope
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.Surface
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+
+@Composable
+fun ABoxSurface(
+    modifier: Modifier = Modifier,
+    content: @Composable () -> Unit,
+) {
+    Surface(modifier = modifier, content = content)
+}
+
+@Composable
+fun ABoxButton(
+    onClick: () -> Unit,
+    modifier: Modifier = Modifier,
+    enabled: Boolean = true,
+    content: @Composable RowScope.() -> Unit,
+) {
+    Button(
+        onClick = onClick,
+        modifier = modifier,
+        enabled = enabled,
+        colors = ButtonDefaults.buttonColors(),
+        content = content,
+    )
+}
+
+@Composable
+fun ABoxLoadingIndicator(modifier: Modifier = Modifier) {
+    CircularProgressIndicator(modifier = modifier)
+}

android/core/designsystem/src/main/kotlin/com/flagship/abox/manager/designsystem/Shape.kt

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+package com.flagship.abox.manager.designsystem
+
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Shapes
+import androidx.compose.ui.unit.dp
+
+val ABoxShapes = Shapes(
+    small = RoundedCornerShape(8.dp),
+    medium = RoundedCornerShape(16.dp),
+    large = RoundedCornerShape(24.dp),
+)

android/core/designsystem/src/main/kotlin/com/flagship/abox/manager/designsystem/Theme.kt

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+package com.flagship.abox.manager.designsystem
+
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.graphics.Color
+
+private val LightColorScheme = lightColorScheme(
+    primary = Color(0xFF006780),
+    onPrimary = Color.White,
+    primaryContainer = Color(0xFFB8EAFF),
+    onPrimaryContainer = Color(0xFF001F29),
+    secondary = Color(0xFF4D616A),
+    surface = Color(0xFFF8FAFC),
+    background = Color(0xFFF8FAFC),
+)
+
+private val DarkColorScheme = darkColorScheme(
+    primary = Color(0xFF5DD5F8),
+    onPrimary = Color(0xFF003544),
+    primaryContainer = Color(0xFF004D61),
+    onPrimaryContainer = Color(0xFFB8EAFF),
+    secondary = Color(0xFFB4CBD4),
+    surface = Color(0xFF101416),
+    background = Color(0xFF101416),
+)
+
+@Composable
+fun ABoxTheme(
+    darkTheme: Boolean = isSystemInDarkTheme(),
+    content: @Composable () -> Unit,
+) {
+    MaterialTheme(
+        colorScheme = if (darkTheme) DarkColorScheme else LightColorScheme,
+        typography = ABoxTypography,
+        shapes = ABoxShapes,
+        content = content,
+    )
+}

android/core/designsystem/src/main/kotlin/com/flagship/abox/manager/designsystem/Type.kt

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+package com.flagship.abox.manager.designsystem
+
+import androidx.compose.material3.Typography
+
+val ABoxTypography = Typography()