Fix: Revert wrapper approach - GenerationService is final

AAR's GenerationService cannot be extended (final class).
Use original com.mp.ai_core package in manifest directly.

Author: mithun50

ai-module/src/main/java/com/nano/ai_module/services/NanoGenerationService.kt

@@ -14,9 +14,9 @@ import com.nano.ai_module.model.GenerationParams
 import com.nano.ai_module.model.LoadState
 import com.nano.ai_module.model.ModelData
 import com.nano.ai_module.model.ModelType
+import com.mp.ai_core.services.GenerationService
 import com.mp.ai_core.services.IGenerationCallback
 import com.mp.ai_core.services.IGenerationService
-import com.nano.ai_module.services.NanoGenerationService
 import kotlinx.coroutines.CompletableDeferred
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -107,7 +107,7 @@ object ModelManager {
 
     private fun bindService(context: Context) {
         context.bindService(
-            Intent(context, NanoGenerationService::class.java),
+            Intent(context, GenerationService::class.java),
             serviceConnection,
             Context.BIND_AUTO_CREATE
         )

ai-module/src/main/java/com/nano/ai_module/workers/ModelManager.kt

@@ -181,7 +181,7 @@
 
         <!-- AI Core Generation Service for LLM inference -->
         <service
-            android:name="com.nano.ai_module.services.NanoGenerationService"
+            android:name="com.mp.ai_core.services.GenerationService"
             android:enabled="true"
             android:exported="false"
             android:process=":generation" />