feat: embed standalone local server runtime with Chaquopy Python, auto-installer, and Android 4.6.53 hotfix

app/src/main/java/com/gacy/android/GaCyApplication.kt

@@ -4,6 +4,8 @@ import android.app.Application
 import android.app.NotificationChannel
 import android.app.NotificationManager
 import android.os.Build
+import com.chaquo.python.Python
+import com.chaquo.python.android.AndroidPlatform
 
 class GaCyApplication : Application() {
 
@@ -18,6 +20,11 @@ class GaCyApplication : Application() {
         super.onCreate()
         instance = this
         createNotificationChannel()
+
+        // Initialize embedded Python runtime
+        if (!Python.isStarted()) {
+            Python.start(AndroidPlatform(this))
+        }
     }
 
     private fun createNotificationChannel() {