Add Flutter TTS configuration validation

Author: DevDesai444

sdk/runanywhere-flutter/packages/runanywhere/lib/features/tts/system_tts_service.dart

@@ -8,9 +8,11 @@ import 'dart:async';
 import 'dart:typed_data';
 
 import 'package:flutter_tts/flutter_tts.dart';
+import 'package:runanywhere/core/protocols/component/component_configuration.dart';
+import 'package:runanywhere/foundation/error_types/sdk_error.dart';
 
 /// Configuration for TTS synthesis
-class TTSConfiguration {
+class TTSConfiguration implements ComponentConfiguration {
   final String voice;
   final String language;
   final double speakingRate;
@@ -26,6 +28,27 @@ class TTSConfiguration {
     this.volume = 1.0,
     this.audioFormat = 'pcm',
   });
+
+  @override
+  void validate() {
+    if (!speakingRate.isFinite || speakingRate < 0.5 || speakingRate > 2.0) {
+      throw SDKError.validationFailed(
+        'Speaking rate must be between 0.5 and 2.0',
+      );
+    }
+
+    if (!pitch.isFinite || pitch < 0.5 || pitch > 2.0) {
+      throw SDKError.validationFailed(
+        'Pitch must be between 0.5 and 2.0',
+      );
+    }
+
+    if (!volume.isFinite || volume < 0.0 || volume > 1.0) {
+      throw SDKError.validationFailed(
+        'Volume must be between 0.0 and 1.0',
+      );
+    }
+  }
 }
 
 /// Input for TTS synthesis