refactor: remove legacy BlackBox app shell

app/src/main/java/com/qm4rs/fridabox/FridaBoxApplication.kt

@@ -0,0 +1,36 @@
+package com.qm4rs.fridabox
+
+import android.app.Application
+import android.content.Context
+import android.util.Log
+import top.niunaijun.blackbox.BlackBoxCore
+
+class FridaBoxApplication : Application() {
+    override fun attachBaseContext(base: Context) {
+        super.attachBaseContext(base)
+        appContext = base
+
+        runCatching { BlackBoxCore.get().closeCodeInit() }
+            .onFailure { Log.e(TAG, "Native bootstrap failed", it) }
+        runCatching { BlackBoxCore.get().onBeforeMainApplicationAttach(this, base) }
+            .onFailure { Log.e(TAG, "Pre-attach hook failed", it) }
+
+        FridaBoxRuntime.attach(base)
+
+        runCatching { BlackBoxCore.get().onAfterMainApplicationAttach(this, base) }
+            .onFailure { Log.e(TAG, "Post-attach hook failed", it) }
+    }
+
+    override fun onCreate() {
+        super.onCreate()
+        FridaBoxRuntime.create()
+    }
+
+    companion object {
+        private const val TAG = "FridaBox.Application"
+
+        @Volatile
+        lateinit var appContext: Context
+            private set
+    }
+}