chore(android): target API 36 with Expo 54

Upgrade the mobile native toolchain and Expo dependencies for Android 16 compatibility while preserving web and admin runtime isolation.

apps/mobile/android/build.gradle

@@ -1,15 +1,6 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext {
-        buildToolsVersion = findProperty('android.buildToolsVersion') ?: '35.0.0'
-        minSdkVersion = Integer.parseInt(findProperty('android.minSdkVersion') ?: '24')
-        compileSdkVersion = Integer.parseInt(findProperty('android.compileSdkVersion') ?: '35')
-        targetSdkVersion = Integer.parseInt(findProperty('android.targetSdkVersion') ?: '34')
-        kotlinVersion = findProperty('android.kotlinVersion') ?: '1.9.25'
-
-        ndkVersion = "26.1.10909125"
-    }
     repositories {
         google()
         mavenCentral()
@@ -19,23 +10,15 @@ buildscript {
         classpath 'com.google.gms:google-services:4.4.1'
         classpath('com.android.tools.build:gradle')
         classpath('com.facebook.react:react-native-gradle-plugin')
-        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion")
+        classpath('org.jetbrains.kotlin:kotlin-gradle-plugin')
     }
 }
 
+apply plugin: "expo-root-project"
 apply plugin: "com.facebook.react.rootproject"
 
 allprojects {
     repositories {
-        maven {
-            // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
-            url(new File(['node', '--print', "require.resolve('react-native/package.json')"].execute(null, rootDir).text.trim(), '../android'))
-        }
-        maven {
-            // Android JSC is installed from npm
-            url(new File(['node', '--print', "require.resolve('jsc-android/package.json', { paths: [require.resolve('react-native/package.json')] })"].execute(null, rootDir).text.trim(), '../dist'))
-        }
-
         google()
         mavenCentral()
         maven { url 'https://www.jitpack.io' }