Add flutter voice assistant app

A flutter based gRPC client Voice Assistant made specifically
to communicate with the Voice Agent service.

SPEC-4906
Signed-off-by: Malik Talha <talhamalik727x@gmail.com>
Change-Id: Ic4a382c1cdb78f1a79f985e3d37ce2fb06c53203

17 files changed, 2574 insertions, 0 deletions

diff --git a/lib/grpc/generated/voice_agent.pb.dart b/lib/grpc/generated/voice_agent.pb.dart
new file mode 100644
index 0000000..363e93f
--- /dev/null
+++ b/lib/grpc/generated/voice_agent.pb.dart
@@ -0,0 +1,667 @@
+//
+//  Generated code. Do not modify.
+//  source: voice_agent.proto
+//
+// @dart = 2.12
+
+// ignore_for_file: annotate_overrides, camel_case_types, comment_references
+// ignore_for_file: constant_identifier_names, library_prefixes
+// ignore_for_file: non_constant_identifier_names, prefer_final_fields
+// ignore_for_file: unnecessary_import, unnecessary_this, unused_import
+
+import 'dart:core' as $core;
+
+import 'package:protobuf/protobuf.dart' as $pb;
+
+import 'voice_agent.pbenum.dart';
+
+export 'voice_agent.pbenum.dart';
+
+class Empty extends $pb.GeneratedMessage {
+  factory Empty() => create();
+  Empty._() : super();
+  factory Empty.fromBuffer($core.List<$core.int> i,
+          [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) =>
+      create()..mergeFromBuffer(i, r);
+  factory Empty.fromJson($core.String i,
+          [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) =>
+      create()..mergeFromJson(i, r);
+
+  static final $pb.BuilderInfo _i = $pb.BuilderInfo(
+      _omitMessageNames ? '' : 'Empty',
+      createEmptyInstance: create)
+    ..hasRequiredFields = false;
+
+  @$core.Deprecated('Using this can add significant overhead to your binary. '
+      'Use [GeneratedMessageGenericExtensions.deepCopy] instead. '
+      'Will be removed in next major version')
+  Empty clone() => Empty()..mergeFromMessage(this);
+  @$core.Deprecated('Using this can add significant overhead to your binary. '
+      'Use [GeneratedMessageGenericExtensions.rebuild] instead. '
+      'Will be removed in next major version')
+  Empty copyWith(void Function(Empty) updates) =>
+      super.copyWith((message) => updates(message as Empty)) as Empty;
+
+  $pb.BuilderInfo get info_ => _i;
+
+  @$core.pragma('dart2js:noInline')
+  static Empty create() => Empty._();
+  Empty createEmptyInstance() => create();
+  static $pb.PbList<Empty> createRepeated() => $pb.PbList<Empty>();
+  @$core.pragma('dart2js:noInline')
+  static Empty getDefault() =>
+      _defaultInstance ??= $pb.GeneratedMessage.$_defaultFor<Empty>(create);
+  static Empty? _defaultInstance;
+}
+
+class ServiceStatus extends $pb.GeneratedMessage {
+  factory ServiceStatus({
+    $core.String? version,
+    $core.bool? status,
+  }) {
+    final $result = create();
+    if (version != null) {
+      $result.version = version;
+    }
+    if (status != null) {
+      $result.status = status;
+    }
+    return $result;
+  }
+  ServiceStatus._() : super();
+  factory ServiceStatus.fromBuffer($core.List<$core.int> i,
+          [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) =>
+      create()..mergeFromBuffer(i, r);
+  factory ServiceStatus.fromJson($core.String i,
+          [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) =>
+      create()..mergeFromJson(i, r);
+
+  static final $pb.BuilderInfo _i = $pb.BuilderInfo(
+      _omitMessageNames ? '' : 'ServiceStatus',
+      createEmptyInstance: create)
+    ..aOS(1, _omitFieldNames ? '' : 'version')
+    ..aOB(2, _omitFieldNames ? '' : 'status')
+    ..hasRequiredFields = false;
+
+  @$core.Deprecated('Using this can add significant overhead to your binary. '
+      'Use [GeneratedMessageGenericExtensions.deepCopy] instead. '
+      'Will be removed in next major version')
+  ServiceStatus clone() => ServiceStatus()..mergeFromMessage(this);
+  @$core.Deprecated('Using this can add significant overhead to your binary. '
+      'Use [GeneratedMessageGenericExtensions.rebuild] instead. '
+      'Will be removed in next major version')
+  ServiceStatus copyWith(void Function(ServiceStatus) updates) =>
+      super.copyWith((message) => updates(message as ServiceStatus))
+          as ServiceStatus;
+
+  $pb.BuilderInfo get info_ => _i;
+
+  @$core.pragma('dart2js:noInline')
+  static ServiceStatus create() => ServiceStatus._();
+  ServiceStatus createEmptyInstance() => create();
+  static $pb.PbList<ServiceStatus> createRepeated() =>
+      $pb.PbList<ServiceStatus>();
+  @$core.pragma('dart2js:noInline')
+  static ServiceStatus getDefault() => _defaultInstance ??=
+      $pb.GeneratedMessage.$_defaultFor<ServiceStatus>(create);
+  static ServiceStatus? _defaultInstance;
+
+  @$pb.TagNumber(1)
+  $core.String get version => $_getSZ(0);
+  @$pb.TagNumber(1)
+  set version($core.String v) {
+    $_setString(0, v);
+  }
+
+  @$pb.TagNumber(1)
+  $core.bool hasVersion() => $_has(0);
+  @$pb.TagNumber(1)
+  void clearVersion() => clearField(1);
+
+  @$pb.TagNumber(2)
+  $core.bool get status => $_getBF(1);
+  @$pb.TagNumber(2)
+  set status($core.bool v) {
+    $_setBool(1, v);
+  }
+
+  @$pb.TagNumber(2)
+  $core.bool hasStatus() => $_has(1);
+  @$pb.TagNumber(2)
+  void clearStatus() => clearField(2);
+}
+
+class WakeWordStatus extends $pb.GeneratedMessage {
+  factory WakeWordStatus({
+    $core.bool? status,
+  }) {
+    final $result = create();
+    if (status != null) {
+      $result.status = status;
+    }
+    return $result;
+  }
+  WakeWordStatus._() : super();
+  factory WakeWordStatus.fromBuffer($core.List<$core.int> i,
+          [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) =>
+      create()..mergeFromBuffer(i, r);
+  factory WakeWordStatus.fromJson($core.String i,
+          [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) =>
+      create()..mergeFromJson(i, r);
+
+  static final $pb.BuilderInfo _i = $pb.BuilderInfo(
+      _omitMessageNames ? '' : 'WakeWordStatus',
+      createEmptyInstance: create)
+    ..aOB(1, _omitFieldNames ? '' : 'status')
+    ..hasRequiredFields = false;
+
+  @$core.Deprecated('Using this can add significant overhead to your binary. '
+      'Use [GeneratedMessageGenericExtensions.deepCopy] instead. '
+      'Will be removed in next major version')
+  WakeWordStatus clone() => WakeWordStatus()..mergeFromMessage(this);
+  @$core.Deprecated('Using this can add significant overhead to your binary. '
+      'Use [GeneratedMessageGenericExtensions.rebuild] instead. '
+      'Will be removed in next major version')
+  WakeWordStatus copyWith(void Function(WakeWordStatus) updates) =>
+      super.copyWith((message) => updates(message as WakeWordStatus))
+          as WakeWordStatus;
+
+  $pb.BuilderInfo get info_ => _i;
+
+  @$core.pragma('dart2js:noInline')
+  static WakeWordStatus create() => WakeWordStatus._();
+  WakeWordStatus createEmptyInstance() => create();
+  static $pb.PbList<WakeWordStatus> createRepeated() =>
+      $pb.PbList<WakeWordStatus>();
+  @$core.pragma('dart2js:noInline')
+  static WakeWordStatus getDefault() => _defaultInstance ??=
+      $pb.GeneratedMessage.$_defaultFor<WakeWordStatus>(create);
+  static WakeWordStatus? _defaultInstance;
+
+  @$pb.TagNumber(1)
+  $core.bool get status => $_getBF(0);
+  @$pb.TagNumber(1)
+  set status($core.bool v) {
+    $_setBool(0, v);
+  }
+
+  @$pb.TagNumber(1)
+  $core.bool hasStatus() => $_has(0);
+  @$pb.TagNumber(1)
+  void clearStatus() => clearField(1);
+}
+
+class RecognizeControl extends $pb.GeneratedMessage {
+  factory RecognizeControl({
+    RecordAction? action,
+    NLUModel? nluModel,
+    RecordMode? recordMode,
+    $core.String? streamId,
+  }) {
+    final $result = create();
+    if (action != null) {
+      $result.action = action;
+    }
+    if (nluModel != null) {
+      $result.nluModel = nluModel;
+    }
+    if (recordMode != null) {
+      $result.recordMode = recordMode;
+    }
+    if (streamId != null) {
+      $result.streamId = streamId;
+    }
+    return $result;
+  }
+  RecognizeControl._() : super();
+  factory RecognizeControl.fromBuffer($core.List<$core.int> i,
+          [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) =>
+      create()..mergeFromBuffer(i, r);
+  factory RecognizeControl.fromJson($core.String i,
+          [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) =>
+      create()..mergeFromJson(i, r);
+
+  static final $pb.BuilderInfo _i = $pb.BuilderInfo(
+      _omitMessageNames ? '' : 'RecognizeControl',
+      createEmptyInstance: create)
+    ..e<RecordAction>(1, _omitFieldNames ? '' : 'action', $pb.PbFieldType.OE,
+        defaultOrMaker: RecordAction.START,
+        valueOf: RecordAction.valueOf,
+        enumValues: RecordAction.values)
+    ..e<NLUModel>(2, _omitFieldNames ? '' : 'nluModel', $pb.PbFieldType.OE,
+        defaultOrMaker: NLUModel.SNIPS,
+        valueOf: NLUModel.valueOf,
+        enumValues: NLUModel.values)
+    ..e<RecordMode>(3, _omitFieldNames ? '' : 'recordMode', $pb.PbFieldType.OE,
+        defaultOrMaker: RecordMode.MANUAL,
+        valueOf: RecordMode.valueOf,
+        enumValues: RecordMode.values)
+    ..aOS(4, _omitFieldNames ? '' : 'streamId')
+    ..hasRequiredFields = false;
+
+  @$core.Deprecated('Using this can add significant overhead to your binary. '
+      'Use [GeneratedMessageGenericExtensions.deepCopy] instead. '
+      'Will be removed in next major version')
+  RecognizeControl clone() => RecognizeControl()..mergeFromMessage(this);
+  @$core.Deprecated('Using this can add significant overhead to your binary. '
+      'Use [GeneratedMessageGenericExtensions.rebuild] instead. '
+      'Will be removed in next major version')
+  RecognizeControl copyWith(void Function(RecognizeControl) updates) =>
+      super.copyWith((message) => updates(message as RecognizeControl))
+          as RecognizeControl;
+
+  $pb.BuilderInfo get info_ => _i;
+
+  @$core.pragma('dart2js:noInline')
+  static RecognizeControl create() => RecognizeControl._();
+  RecognizeControl createEmptyInstance() => create();
+  static $pb.PbList<RecognizeControl> createRepeated() =>
+      $pb.PbList<RecognizeControl>();
+  @$core.pragma('dart2js:noInline')
+  static RecognizeControl getDefault() => _defaultInstance ??=
+      $pb.GeneratedMessage.$_defaultFor<RecognizeControl>(create);
+  static RecognizeControl? _defaultInstance;
+
+  @$pb.TagNumber(1)
+  RecordAction get action => $_getN(0);
+  @$pb.TagNumber(1)
+  set action(RecordAction v) {
+    setField(1, v);
+  }
+
+  @$pb.TagNumber(1)
+  $core.bool hasAction() => $_has(0);
+  @$pb.TagNumber(1)
+  void clearAction() => clearField(1);
+
+  @$pb.TagNumber(2)
+  NLUModel get nluModel => $_getN(1);
+  @$pb.TagNumber(2)
+  set nluModel(NLUModel v) {
+    setField(2, v);
+  }
+
+  @$pb.TagNumber(2)
+  $core.bool hasNluModel() => $_has(1);
+  @$pb.TagNumber(2)
+  void clearNluModel() => clearField(2);
+
+  @$pb.TagNumber(3)
+  RecordMode get recordMode => $_getN(2);
+  @$pb.TagNumber(3)
+  set recordMode(RecordMode v) {
+    setField(3, v);
+  }
+
+  @$pb.TagNumber(3)
+  $core.bool hasRecordMode() => $_has(2);
+  @$pb.TagNumber(3)
+  void clearRecordMode() => clearField(3);
+
+  @$pb.TagNumber(4)
+  $core.String get streamId => $_getSZ(3);
+  @$pb.TagNumber(4)
+  set streamId($core.String v) {
+    $_setString(3, v);
+  }
+
+  @$pb.TagNumber(4)
+  $core.bool hasStreamId() => $_has(3);
+  @$pb.TagNumber(4)
+  void clearStreamId() => clearField(4);
+}
+
+class IntentSlot extends $pb.GeneratedMessage {
+  factory IntentSlot({
+    $core.String? name,
+    $core.String? value,
+  }) {
+    final $result = create();
+    if (name != null) {
+      $result.name = name;
+    }
+    if (value != null) {
+      $result.value = value;
+    }
+    return $result;
+  }
+  IntentSlot._() : super();
+  factory IntentSlot.fromBuffer($core.List<$core.int> i,
+          [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) =>
+      create()..mergeFromBuffer(i, r);
+  factory IntentSlot.fromJson($core.String i,
+          [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) =>
+      create()..mergeFromJson(i, r);
+
+  static final $pb.BuilderInfo _i = $pb.BuilderInfo(
+      _omitMessageNames ? '' : 'IntentSlot',
+      createEmptyInstance: create)
+    ..aOS(1, _omitFieldNames ? '' : 'name')
+    ..aOS(2, _omitFieldNames ? '' : 'value')
+    ..hasRequiredFields = false;
+
+  @$core.Deprecated('Using this can add significant overhead to your binary. '
+      'Use [GeneratedMessageGenericExtensions.deepCopy] instead. '
+      'Will be removed in next major version')
+  IntentSlot clone() => IntentSlot()..mergeFromMessage(this);
+  @$core.Deprecated('Using this can add significant overhead to your binary. '
+      'Use [GeneratedMessageGenericExtensions.rebuild] instead. '
+      'Will be removed in next major version')
+  IntentSlot copyWith(void Function(IntentSlot) updates) =>
+      super.copyWith((message) => updates(message as IntentSlot)) as IntentSlot;
+
+  $pb.BuilderInfo get info_ => _i;
+
+  @$core.pragma('dart2js:noInline')
+  static IntentSlot create() => IntentSlot._();
+  IntentSlot createEmptyInstance() => create();
+  static $pb.PbList<IntentSlot> createRepeated() => $pb.PbList<IntentSlot>();
+  @$core.pragma('dart2js:noInline')
+  static IntentSlot getDefault() => _defaultInstance ??=
+      $pb.GeneratedMessage.$_defaultFor<IntentSlot>(create);
+  static IntentSlot? _defaultInstance;
+
+  @$pb.TagNumber(1)
+  $core.String get name => $_getSZ(0);
+  @$pb.TagNumber(1)
+  set name($core.String v) {
+    $_setString(0, v);
+  }
+
+  @$pb.TagNumber(1)
+  $core.bool hasName() => $_has(0);
+  @$pb.TagNumber(1)
+  void clearName() => clearField(1);
+
+  @$pb.TagNumber(2)
+  $core.String get value => $_getSZ(1);
+  @$pb.TagNumber(2)
+  set value($core.String v) {
+    $_setString(1, v);
+  }
+
+  @$pb.TagNumber(2)
+  $core.bool hasValue() => $_has(1);
+  @$pb.TagNumber(2)
+  void clearValue() => clearField(2);
+}
+
+class RecognizeResult extends $pb.GeneratedMessage {
+  factory RecognizeResult({
+    $core.String? command,
+    $core.String? intent,
+    $core.Iterable<IntentSlot>? intentSlots,
+    $core.String? streamId,
+    RecognizeStatusType? status,
+  }) {
+    final $result = create();
+    if (command != null) {
+      $result.command = command;
+    }
+    if (intent != null) {
+      $result.intent = intent;
+    }
+    if (intentSlots != null) {
+      $result.intentSlots.addAll(intentSlots);
+    }
+    if (streamId != null) {
+      $result.streamId = streamId;
+    }
+    if (status != null) {
+      $result.status = status;
+    }
+    return $result;
+  }
+  RecognizeResult._() : super();
+  factory RecognizeResult.fromBuffer($core.List<$core.int> i,
+          [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) =>
+      create()..mergeFromBuffer(i, r);
+  factory RecognizeResult.fromJson($core.String i,
+          [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) =>
+      create()..mergeFromJson(i, r);
+
+  static final $pb.BuilderInfo _i = $pb.BuilderInfo(
+      _omitMessageNames ? '' : 'RecognizeResult',
+      createEmptyInstance: create)
+    ..aOS(1, _omitFieldNames ? '' : 'command')
+    ..aOS(2, _omitFieldNames ? '' : 'intent')
+    ..pc<IntentSlot>(
+        3, _omitFieldNames ? '' : 'intentSlots', $pb.PbFieldType.PM,
+        subBuilder: IntentSlot.create)
+    ..aOS(4, _omitFieldNames ? '' : 'streamId')
+    ..e<RecognizeStatusType>(
+        5, _omitFieldNames ? '' : 'status', $pb.PbFieldType.OE,
+        defaultOrMaker: RecognizeStatusType.REC_ERROR,
+        valueOf: RecognizeStatusType.valueOf,
+        enumValues: RecognizeStatusType.values)
+    ..hasRequiredFields = false;
+
+  @$core.Deprecated('Using this can add significant overhead to your binary. '
+      'Use [GeneratedMessageGenericExtensions.deepCopy] instead. '
+      'Will be removed in next major version')
+  RecognizeResult clone() => RecognizeResult()..mergeFromMessage(this);
+  @$core.Deprecated('Using this can add significant overhead to your binary. '
+      'Use [GeneratedMessageGenericExtensions.rebuild] instead. '
+      'Will be removed in next major version')
+  RecognizeResult copyWith(void Function(RecognizeResult) updates) =>
+      super.copyWith((message) => updates(message as RecognizeResult))
+          as RecognizeResult;
+
+  $pb.BuilderInfo get info_ => _i;
+
+  @$core.pragma('dart2js:noInline')
+  static RecognizeResult create() => RecognizeResult._();
+  RecognizeResult createEmptyInstance() => create();
+  static $pb.PbList<RecognizeResult> createRepeated() =>
+      $pb.PbList<RecognizeResult>();
+  @$core.pragma('dart2js:noInline')
+  static RecognizeResult getDefault() => _defaultInstance ??=
+      $pb.GeneratedMessage.$_defaultFor<RecognizeResult>(create);
+  static RecognizeResult? _defaultInstance;
+
+  @$pb.TagNumber(1)
+  $core.String get command => $_getSZ(0);
+  @$pb.TagNumber(1)
+  set command($core.String v) {
+    $_setString(0, v);
+  }
+
+  @$pb.TagNumber(1)
+  $core.bool hasCommand() => $_has(0);
+  @$pb.TagNumber(1)
+  void clearCommand() => clearField(1);
+
+  @$pb.TagNumber(2)
+  $core.String get intent => $_getSZ(1);
+  @$pb.TagNumber(2)
+  set intent($core.String v) {
+    $_setString(1, v);
+  }
+
+  @$pb.TagNumber(2)
+  $core.bool hasIntent() => $_has(1);
+  @$pb.TagNumber(2)
+  void clearIntent() => clearField(2);
+
+  @$pb.TagNumber(3)
+  $core.List<IntentSlot> get intentSlots => $_getList(2);
+
+  @$pb.TagNumber(4)
+  $core.String get streamId => $_getSZ(3);
+  @$pb.TagNumber(4)
+  set streamId($core.String v) {
+    $_setString(3, v);
+  }
+
+  @$pb.TagNumber(4)
+  $core.bool hasStreamId() => $_has(3);
+  @$pb.TagNumber(4)
+  void clearStreamId() => clearField(4);
+
+  @$pb.TagNumber(5)
+  RecognizeStatusType get status => $_getN(4);
+  @$pb.TagNumber(5)
+  set status(RecognizeStatusType v) {
+    setField(5, v);
+  }
+
+  @$pb.TagNumber(5)
+  $core.bool hasStatus() => $_has(4);
+  @$pb.TagNumber(5)
+  void clearStatus() => clearField(5);
+}
+
+class ExecuteInput extends $pb.GeneratedMessage {
+  factory ExecuteInput({
+    $core.String? intent,
+    $core.Iterable<IntentSlot>? intentSlots,
+  }) {
+    final $result = create();
+    if (intent != null) {
+      $result.intent = intent;
+    }
+    if (intentSlots != null) {
+      $result.intentSlots.addAll(intentSlots);
+    }
+    return $result;
+  }
+  ExecuteInput._() : super();
+  factory ExecuteInput.fromBuffer($core.List<$core.int> i,
+          [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) =>
+      create()..mergeFromBuffer(i, r);
+  factory ExecuteInput.fromJson($core.String i,
+          [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) =>
+      create()..mergeFromJson(i, r);
+
+  static final $pb.BuilderInfo _i = $pb.BuilderInfo(
+      _omitMessageNames ? '' : 'ExecuteInput',
+      createEmptyInstance: create)
+    ..aOS(1, _omitFieldNames ? '' : 'intent')
+    ..pc<IntentSlot>(
+        2, _omitFieldNames ? '' : 'intentSlots', $pb.PbFieldType.PM,
+        subBuilder: IntentSlot.create)
+    ..hasRequiredFields = false;
+
+  @$core.Deprecated('Using this can add significant overhead to your binary. '
+      'Use [GeneratedMessageGenericExtensions.deepCopy] instead. '
+      'Will be removed in next major version')
+  ExecuteInput clone() => ExecuteInput()..mergeFromMessage(this);
+  @$core.Deprecated('Using this can add significant overhead to your binary. '
+      'Use [GeneratedMessageGenericExtensions.rebuild] instead. '
+      'Will be removed in next major version')
+  ExecuteInput copyWith(void Function(ExecuteInput) updates) =>
+      super.copyWith((message) => updates(message as ExecuteInput))
+          as ExecuteInput;
+
+  $pb.BuilderInfo get info_ => _i;
+
+  @$core.pragma('dart2js:noInline')
+  static ExecuteInput create() => ExecuteInput._();
+  ExecuteInput createEmptyInstance() => create();
+  static $pb.PbList<ExecuteInput> createRepeated() =>
+      $pb.PbList<ExecuteInput>();
+  @$core.pragma('dart2js:noInline')
+  static ExecuteInput getDefault() => _defaultInstance ??=
+      $pb.GeneratedMessage.$_defaultFor<ExecuteInput>(create);
+  static ExecuteInput? _defaultInstance;
+
+  @$pb.TagNumber(1)
+  $core.String get intent => $_getSZ(0);
+  @$pb.TagNumber(1)
+  set intent($core.String v) {
+    $_setString(0, v);
+  }
+
+  @$pb.TagNumber(1)
+  $core.bool hasIntent() => $_has(0);
+  @$pb.TagNumber(1)
+  void clearIntent() => clearField(1);
+
+  @$pb.TagNumber(2)
+  $core.List<IntentSlot> get intentSlots => $_getList(1);
+}
+
+class ExecuteResult extends $pb.GeneratedMessage {
+  factory ExecuteResult({
+    $core.String? response,
+    ExecuteStatusType? status,
+  }) {
+    final $result = create();
+    if (response != null) {
+      $result.response = response;
+    }
+    if (status != null) {
+      $result.status = status;
+    }
+    return $result;
+  }
+  ExecuteResult._() : super();
+  factory ExecuteResult.fromBuffer($core.List<$core.int> i,
+          [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) =>
+      create()..mergeFromBuffer(i, r);
+  factory ExecuteResult.fromJson($core.String i,
+          [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) =>
+      create()..mergeFromJson(i, r);
+
+  static final $pb.BuilderInfo _i = $pb.BuilderInfo(
+      _omitMessageNames ? '' : 'ExecuteResult',
+      createEmptyInstance: create)
+    ..aOS(1, _omitFieldNames ? '' : 'response')
+    ..e<ExecuteStatusType>(
+        2, _omitFieldNames ? '' : 'status', $pb.PbFieldType.OE,
+        defaultOrMaker: ExecuteStatusType.EXEC_ERROR,
+        valueOf: ExecuteStatusType.valueOf,
+        enumValues: ExecuteStatusType.values)
+    ..hasRequiredFields = false;
+
+  @$core.Deprecated('Using this can add significant overhead to your binary. '
+      'Use [GeneratedMessageGenericExtensions.deepCopy] instead. '
+      'Will be removed in next major version')
+  ExecuteResult clone() => ExecuteResult()..mergeFromMessage(this);
+  @$core.Deprecated('Using this can add significant overhead to your binary. '
+      'Use [GeneratedMessageGenericExtensions.rebuild] instead. '
+      'Will be removed in next major version')
+  ExecuteResult copyWith(void Function(ExecuteResult) updates) =>
+      super.copyWith((message) => updates(message as ExecuteResult))
+          as ExecuteResult;
+
+  $pb.BuilderInfo get info_ => _i;
+
+  @$core.pragma('dart2js:noInline')
+  static ExecuteResult create() => ExecuteResult._();
+  ExecuteResult createEmptyInstance() => create();
+  static $pb.PbList<ExecuteResult> createRepeated() =>
+      $pb.PbList<ExecuteResult>();
+  @$core.pragma('dart2js:noInline')
+  static ExecuteResult getDefault() => _defaultInstance ??=
+      $pb.GeneratedMessage.$_defaultFor<ExecuteResult>(create);
+  static ExecuteResult? _defaultInstance;
+
+  @$pb.TagNumber(1)
+  $core.String get response => $_getSZ(0);
+  @$pb.TagNumber(1)
+  set response($core.String v) {
+    $_setString(0, v);
+  }
+
+  @$pb.TagNumber(1)
+  $core.bool hasResponse() => $_has(0);
+  @$pb.TagNumber(1)
+  void clearResponse() => clearField(1);
+
+  @$pb.TagNumber(2)
+  ExecuteStatusType get status => $_getN(1);
+  @$pb.TagNumber(2)
+  set status(ExecuteStatusType v) {
+    setField(2, v);
+  }
+
+  @$pb.TagNumber(2)
+  $core.bool hasStatus() => $_has(1);
+  @$pb.TagNumber(2)
+  void clearStatus() => clearField(2);
+}
+
+const _omitFieldNames = $core.bool.fromEnvironment('protobuf.omit_field_names');
+const _omitMessageNames =
+    $core.bool.fromEnvironment('protobuf.omit_message_names');
diff --git a/lib/grpc/generated/voice_agent.pbenum.dart b/lib/grpc/generated/voice_agent.pbenum.dart
new file mode 100644
index 0000000..a001f03
--- /dev/null
+++ b/lib/grpc/generated/voice_agent.pbenum.dart
@@ -0,0 +1,121 @@
+//
+//  Generated code. Do not modify.
+//  source: voice_agent.proto
+//
+// @dart = 2.12
+
+// ignore_for_file: annotate_overrides, camel_case_types, comment_references
+// ignore_for_file: constant_identifier_names, library_prefixes
+// ignore_for_file: non_constant_identifier_names, prefer_final_fields
+// ignore_for_file: unnecessary_import, unnecessary_this, unused_import
+
+import 'dart:core' as $core;
+
+import 'package:protobuf/protobuf.dart' as $pb;
+
+class RecordAction extends $pb.ProtobufEnum {
+  static const RecordAction START =
+      RecordAction._(0, _omitEnumNames ? '' : 'START');
+  static const RecordAction STOP =
+      RecordAction._(1, _omitEnumNames ? '' : 'STOP');
+
+  static const $core.List<RecordAction> values = <RecordAction>[
+    START,
+    STOP,
+  ];
+
+  static final $core.Map<$core.int, RecordAction> _byValue =
+      $pb.ProtobufEnum.initByValue(values);
+  static RecordAction? valueOf($core.int value) => _byValue[value];
+
+  const RecordAction._($core.int v, $core.String n) : super(v, n);
+}
+
+class NLUModel extends $pb.ProtobufEnum {
+  static const NLUModel SNIPS = NLUModel._(0, _omitEnumNames ? '' : 'SNIPS');
+  static const NLUModel RASA = NLUModel._(1, _omitEnumNames ? '' : 'RASA');
+
+  static const $core.List<NLUModel> values = <NLUModel>[
+    SNIPS,
+    RASA,
+  ];
+
+  static final $core.Map<$core.int, NLUModel> _byValue =
+      $pb.ProtobufEnum.initByValue(values);
+  static NLUModel? valueOf($core.int value) => _byValue[value];
+
+  const NLUModel._($core.int v, $core.String n) : super(v, n);
+}
+
+class RecordMode extends $pb.ProtobufEnum {
+  static const RecordMode MANUAL =
+      RecordMode._(0, _omitEnumNames ? '' : 'MANUAL');
+  static const RecordMode AUTO = RecordMode._(1, _omitEnumNames ? '' : 'AUTO');
+
+  static const $core.List<RecordMode> values = <RecordMode>[
+    MANUAL,
+    AUTO,
+  ];
+
+  static final $core.Map<$core.int, RecordMode> _byValue =
+      $pb.ProtobufEnum.initByValue(values);
+  static RecordMode? valueOf($core.int value) => _byValue[value];
+
+  const RecordMode._($core.int v, $core.String n) : super(v, n);
+}
+
+class RecognizeStatusType extends $pb.ProtobufEnum {
+  static const RecognizeStatusType REC_ERROR =
+      RecognizeStatusType._(0, _omitEnumNames ? '' : 'REC_ERROR');
+  static const RecognizeStatusType REC_SUCCESS =
+      RecognizeStatusType._(1, _omitEnumNames ? '' : 'REC_SUCCESS');
+  static const RecognizeStatusType REC_PROCESSING =
+      RecognizeStatusType._(2, _omitEnumNames ? '' : 'REC_PROCESSING');
+  static const RecognizeStatusType VOICE_NOT_RECOGNIZED =
+      RecognizeStatusType._(3, _omitEnumNames ? '' : 'VOICE_NOT_RECOGNIZED');
+  static const RecognizeStatusType INTENT_NOT_RECOGNIZED =
+      RecognizeStatusType._(4, _omitEnumNames ? '' : 'INTENT_NOT_RECOGNIZED');
+
+  static const $core.List<RecognizeStatusType> values = <RecognizeStatusType>[
+    REC_ERROR,
+    REC_SUCCESS,
+    REC_PROCESSING,
+    VOICE_NOT_RECOGNIZED,
+    INTENT_NOT_RECOGNIZED,
+  ];
+
+  static final $core.Map<$core.int, RecognizeStatusType> _byValue =
+      $pb.ProtobufEnum.initByValue(values);
+  static RecognizeStatusType? valueOf($core.int value) => _byValue[value];
+
+  const RecognizeStatusType._($core.int v, $core.String n) : super(v, n);
+}
+
+class ExecuteStatusType extends $pb.ProtobufEnum {
+  static const ExecuteStatusType EXEC_ERROR =
+      ExecuteStatusType._(0, _omitEnumNames ? '' : 'EXEC_ERROR');
+  static const ExecuteStatusType EXEC_SUCCESS =
+      ExecuteStatusType._(1, _omitEnumNames ? '' : 'EXEC_SUCCESS');
+  static const ExecuteStatusType KUKSA_CONN_ERROR =
+      ExecuteStatusType._(2, _omitEnumNames ? '' : 'KUKSA_CONN_ERROR');
+  static const ExecuteStatusType INTENT_NOT_SUPPORTED =
+      ExecuteStatusType._(3, _omitEnumNames ? '' : 'INTENT_NOT_SUPPORTED');
+  static const ExecuteStatusType INTENT_SLOTS_INCOMPLETE =
+      ExecuteStatusType._(4, _omitEnumNames ? '' : 'INTENT_SLOTS_INCOMPLETE');
+
+  static const $core.List<ExecuteStatusType> values = <ExecuteStatusType>[
+    EXEC_ERROR,
+    EXEC_SUCCESS,
+    KUKSA_CONN_ERROR,
+    INTENT_NOT_SUPPORTED,
+    INTENT_SLOTS_INCOMPLETE,
+  ];
+
+  static final $core.Map<$core.int, ExecuteStatusType> _byValue =
+      $pb.ProtobufEnum.initByValue(values);
+  static ExecuteStatusType? valueOf($core.int value) => _byValue[value];
+
+  const ExecuteStatusType._($core.int v, $core.String n) : super(v, n);
+}
+
+const _omitEnumNames = $core.bool.fromEnvironment('protobuf.omit_enum_names');
diff --git a/lib/grpc/generated/voice_agent.pbgrpc.dart b/lib/grpc/generated/voice_agent.pbgrpc.dart
new file mode 100644
index 0000000..7984ed3
--- /dev/null
+++ b/lib/grpc/generated/voice_agent.pbgrpc.dart
@@ -0,0 +1,136 @@
+//
+//  Generated code. Do not modify.
+//  source: voice_agent.proto
+//
+// @dart = 2.12
+
+// ignore_for_file: annotate_overrides, camel_case_types, comment_references
+// ignore_for_file: constant_identifier_names, library_prefixes
+// ignore_for_file: non_constant_identifier_names, prefer_final_fields
+// ignore_for_file: unnecessary_import, unnecessary_this, unused_import
+
+import 'dart:async' as $async;
+import 'dart:core' as $core;
+
+import 'package:grpc/service_api.dart' as $grpc;
+import 'package:protobuf/protobuf.dart' as $pb;
+
+import 'voice_agent.pb.dart' as $0;
+
+export 'voice_agent.pb.dart';
+
+// @$pb.GrpcServiceName('VoiceAgentService')
+class VoiceAgentServiceClient extends $grpc.Client {
+  static final _$checkServiceStatus =
+      $grpc.ClientMethod<$0.Empty, $0.ServiceStatus>(
+          '/VoiceAgentService/CheckServiceStatus',
+          ($0.Empty value) => value.writeToBuffer(),
+          ($core.List<$core.int> value) => $0.ServiceStatus.fromBuffer(value));
+  static final _$detectWakeWord =
+      $grpc.ClientMethod<$0.Empty, $0.WakeWordStatus>(
+          '/VoiceAgentService/DetectWakeWord',
+          ($0.Empty value) => value.writeToBuffer(),
+          ($core.List<$core.int> value) => $0.WakeWordStatus.fromBuffer(value));
+  static final _$recognizeVoiceCommand =
+      $grpc.ClientMethod<$0.RecognizeControl, $0.RecognizeResult>(
+          '/VoiceAgentService/RecognizeVoiceCommand',
+          ($0.RecognizeControl value) => value.writeToBuffer(),
+          ($core.List<$core.int> value) =>
+              $0.RecognizeResult.fromBuffer(value));
+  static final _$executeVoiceCommand =
+      $grpc.ClientMethod<$0.ExecuteInput, $0.ExecuteResult>(
+          '/VoiceAgentService/ExecuteVoiceCommand',
+          ($0.ExecuteInput value) => value.writeToBuffer(),
+          ($core.List<$core.int> value) => $0.ExecuteResult.fromBuffer(value));
+
+  VoiceAgentServiceClient($grpc.ClientChannel channel,
+      {$grpc.CallOptions? options,
+      $core.Iterable<$grpc.ClientInterceptor>? interceptors})
+      : super(channel, options: options, interceptors: interceptors);
+
+  $grpc.ResponseFuture<$0.ServiceStatus> checkServiceStatus($0.Empty request,
+      {$grpc.CallOptions? options}) {
+    return $createUnaryCall(_$checkServiceStatus, request, options: options);
+  }
+
+  $grpc.ResponseStream<$0.WakeWordStatus> detectWakeWord($0.Empty request,
+      {$grpc.CallOptions? options}) {
+    return $createStreamingCall(
+        _$detectWakeWord, $async.Stream.fromIterable([request]),
+        options: options);
+  }
+
+  $grpc.ResponseFuture<$0.RecognizeResult> recognizeVoiceCommand(
+      $async.Stream<$0.RecognizeControl> request,
+      {$grpc.CallOptions? options}) {
+    return $createStreamingCall(_$recognizeVoiceCommand, request,
+            options: options)
+        .single;
+  }
+
+  $grpc.ResponseFuture<$0.ExecuteResult> executeVoiceCommand(
+      $0.ExecuteInput request,
+      {$grpc.CallOptions? options}) {
+    return $createUnaryCall(_$executeVoiceCommand, request, options: options);
+  }
+}
+
+// @$pb.GrpcServiceName('VoiceAgentService')
+abstract class VoiceAgentServiceBase extends $grpc.Service {
+  $core.String get $name => 'VoiceAgentService';
+
+  VoiceAgentServiceBase() {
+    $addMethod($grpc.ServiceMethod<$0.Empty, $0.ServiceStatus>(
+        'CheckServiceStatus',
+        checkServiceStatus_Pre,
+        false,
+        false,
+        ($core.List<$core.int> value) => $0.Empty.fromBuffer(value),
+        ($0.ServiceStatus value) => value.writeToBuffer()));
+    $addMethod($grpc.ServiceMethod<$0.Empty, $0.WakeWordStatus>(
+        'DetectWakeWord',
+        detectWakeWord_Pre,
+        false,
+        true,
+        ($core.List<$core.int> value) => $0.Empty.fromBuffer(value),
+        ($0.WakeWordStatus value) => value.writeToBuffer()));
+    $addMethod($grpc.ServiceMethod<$0.RecognizeControl, $0.RecognizeResult>(
+        'RecognizeVoiceCommand',
+        recognizeVoiceCommand,
+        true,
+        false,
+        ($core.List<$core.int> value) => $0.RecognizeControl.fromBuffer(value),
+        ($0.RecognizeResult value) => value.writeToBuffer()));
+    $addMethod($grpc.ServiceMethod<$0.ExecuteInput, $0.ExecuteResult>(
+        'ExecuteVoiceCommand',
+        executeVoiceCommand_Pre,
+        false,
+        false,
+        ($core.List<$core.int> value) => $0.ExecuteInput.fromBuffer(value),
+        ($0.ExecuteResult value) => value.writeToBuffer()));
+  }
+
+  $async.Future<$0.ServiceStatus> checkServiceStatus_Pre(
+      $grpc.ServiceCall call, $async.Future<$0.Empty> request) async {
+    return checkServiceStatus(call, await request);
+  }
+
+  $async.Stream<$0.WakeWordStatus> detectWakeWord_Pre(
+      $grpc.ServiceCall call, $async.Future<$0.Empty> request) async* {
+    yield* detectWakeWord(call, await request);
+  }
+
+  $async.Future<$0.ExecuteResult> executeVoiceCommand_Pre(
+      $grpc.ServiceCall call, $async.Future<$0.ExecuteInput> request) async {
+    return executeVoiceCommand(call, await request);
+  }
+
+  $async.Future<$0.ServiceStatus> checkServiceStatus(
+      $grpc.ServiceCall call, $0.Empty request);
+  $async.Stream<$0.WakeWordStatus> detectWakeWord(
+      $grpc.ServiceCall call, $0.Empty request);
+  $async.Future<$0.RecognizeResult> recognizeVoiceCommand(
+      $grpc.ServiceCall call, $async.Stream<$0.RecognizeControl> request);
+  $async.Future<$0.ExecuteResult> executeVoiceCommand(
+      $grpc.ServiceCall call, $0.ExecuteInput request);
+}
diff --git a/lib/grpc/generated/voice_agent.pbjson.dart b/lib/grpc/generated/voice_agent.pbjson.dart
new file mode 100644
index 0000000..f4a913c
--- /dev/null
+++ b/lib/grpc/generated/voice_agent.pbjson.dart
@@ -0,0 +1,251 @@
+//
+//  Generated code. Do not modify.
+//  source: voice_agent.proto
+//
+// @dart = 2.12
+
+// ignore_for_file: annotate_overrides, camel_case_types, comment_references
+// ignore_for_file: constant_identifier_names, library_prefixes
+// ignore_for_file: non_constant_identifier_names, prefer_final_fields
+// ignore_for_file: unnecessary_import, unnecessary_this, unused_import
+
+import 'dart:convert' as $convert;
+import 'dart:core' as $core;
+import 'dart:typed_data' as $typed_data;
+
+@$core.Deprecated('Use recordActionDescriptor instead')
+const RecordAction$json = {
+  '1': 'RecordAction',
+  '2': [
+    {'1': 'START', '2': 0},
+    {'1': 'STOP', '2': 1},
+  ],
+};
+
+/// Descriptor for `RecordAction`. Decode as a `google.protobuf.EnumDescriptorProto`.
+final $typed_data.Uint8List recordActionDescriptor =
+    $convert.base64Decode('CgxSZWNvcmRBY3Rpb24SCQoFU1RBUlQQABIICgRTVE9QEAE=');
+
+@$core.Deprecated('Use nLUModelDescriptor instead')
+const NLUModel$json = {
+  '1': 'NLUModel',
+  '2': [
+    {'1': 'SNIPS', '2': 0},
+    {'1': 'RASA', '2': 1},
+  ],
+};
+
+/// Descriptor for `NLUModel`. Decode as a `google.protobuf.EnumDescriptorProto`.
+final $typed_data.Uint8List nLUModelDescriptor =
+    $convert.base64Decode('CghOTFVNb2RlbBIJCgVTTklQUxAAEggKBFJBU0EQAQ==');
+
+@$core.Deprecated('Use recordModeDescriptor instead')
+const RecordMode$json = {
+  '1': 'RecordMode',
+  '2': [
+    {'1': 'MANUAL', '2': 0},
+    {'1': 'AUTO', '2': 1},
+  ],
+};
+
+/// Descriptor for `RecordMode`. Decode as a `google.protobuf.EnumDescriptorProto`.
+final $typed_data.Uint8List recordModeDescriptor =
+    $convert.base64Decode('CgpSZWNvcmRNb2RlEgoKBk1BTlVBTBAAEggKBEFVVE8QAQ==');
+
+@$core.Deprecated('Use recognizeStatusTypeDescriptor instead')
+const RecognizeStatusType$json = {
+  '1': 'RecognizeStatusType',
+  '2': [
+    {'1': 'REC_ERROR', '2': 0},
+    {'1': 'REC_SUCCESS', '2': 1},
+    {'1': 'REC_PROCESSING', '2': 2},
+    {'1': 'VOICE_NOT_RECOGNIZED', '2': 3},
+    {'1': 'INTENT_NOT_RECOGNIZED', '2': 4},
+  ],
+};
+
+/// Descriptor for `RecognizeStatusType`. Decode as a `google.protobuf.EnumDescriptorProto`.
+final $typed_data.Uint8List recognizeStatusTypeDescriptor = $convert.base64Decode(
+    'ChNSZWNvZ25pemVTdGF0dXNUeXBlEg0KCVJFQ19FUlJPUhAAEg8KC1JFQ19TVUNDRVNTEAESEg'
+    'oOUkVDX1BST0NFU1NJTkcQAhIYChRWT0lDRV9OT1RfUkVDT0dOSVpFRBADEhkKFUlOVEVOVF9O'
+    'T1RfUkVDT0dOSVpFRBAE');
+
+@$core.Deprecated('Use executeStatusTypeDescriptor instead')
+const ExecuteStatusType$json = {
+  '1': 'ExecuteStatusType',
+  '2': [
+    {'1': 'EXEC_ERROR', '2': 0},
+    {'1': 'EXEC_SUCCESS', '2': 1},
+    {'1': 'KUKSA_CONN_ERROR', '2': 2},
+    {'1': 'INTENT_NOT_SUPPORTED', '2': 3},
+    {'1': 'INTENT_SLOTS_INCOMPLETE', '2': 4},
+  ],
+};
+
+/// Descriptor for `ExecuteStatusType`. Decode as a `google.protobuf.EnumDescriptorProto`.
+final $typed_data.Uint8List executeStatusTypeDescriptor = $convert.base64Decode(
+    'ChFFeGVjdXRlU3RhdHVzVHlwZRIOCgpFWEVDX0VSUk9SEAASEAoMRVhFQ19TVUNDRVNTEAESFA'
+    'oQS1VLU0FfQ09OTl9FUlJPUhACEhgKFElOVEVOVF9OT1RfU1VQUE9SVEVEEAMSGwoXSU5URU5U'
+    'X1NMT1RTX0lOQ09NUExFVEUQBA==');
+
+@$core.Deprecated('Use emptyDescriptor instead')
+const Empty$json = {
+  '1': 'Empty',
+};
+
+/// Descriptor for `Empty`. Decode as a `google.protobuf.DescriptorProto`.
+final $typed_data.Uint8List emptyDescriptor =
+    $convert.base64Decode('CgVFbXB0eQ==');
+
+@$core.Deprecated('Use serviceStatusDescriptor instead')
+const ServiceStatus$json = {
+  '1': 'ServiceStatus',
+  '2': [
+    {'1': 'version', '3': 1, '4': 1, '5': 9, '10': 'version'},
+    {'1': 'status', '3': 2, '4': 1, '5': 8, '10': 'status'},
+  ],
+};
+
+/// Descriptor for `ServiceStatus`. Decode as a `google.protobuf.DescriptorProto`.
+final $typed_data.Uint8List serviceStatusDescriptor = $convert.base64Decode(
+    'Cg1TZXJ2aWNlU3RhdHVzEhgKB3ZlcnNpb24YASABKAlSB3ZlcnNpb24SFgoGc3RhdHVzGAIgAS'
+    'gIUgZzdGF0dXM=');
+
+@$core.Deprecated('Use wakeWordStatusDescriptor instead')
+const WakeWordStatus$json = {
+  '1': 'WakeWordStatus',
+  '2': [
+    {'1': 'status', '3': 1, '4': 1, '5': 8, '10': 'status'},
+  ],
+};
+
+/// Descriptor for `WakeWordStatus`. Decode as a `google.protobuf.DescriptorProto`.
+final $typed_data.Uint8List wakeWordStatusDescriptor = $convert
+    .base64Decode('Cg5XYWtlV29yZFN0YXR1cxIWCgZzdGF0dXMYASABKAhSBnN0YXR1cw==');
+
+@$core.Deprecated('Use recognizeControlDescriptor instead')
+const RecognizeControl$json = {
+  '1': 'RecognizeControl',
+  '2': [
+    {
+      '1': 'action',
+      '3': 1,
+      '4': 1,
+      '5': 14,
+      '6': '.RecordAction',
+      '10': 'action'
+    },
+    {
+      '1': 'nlu_model',
+      '3': 2,
+      '4': 1,
+      '5': 14,
+      '6': '.NLUModel',
+      '10': 'nluModel'
+    },
+    {
+      '1': 'record_mode',
+      '3': 3,
+      '4': 1,
+      '5': 14,
+      '6': '.RecordMode',
+      '10': 'recordMode'
+    },
+    {'1': 'stream_id', '3': 4, '4': 1, '5': 9, '10': 'streamId'},
+  ],
+};
+
+/// Descriptor for `RecognizeControl`. Decode as a `google.protobuf.DescriptorProto`.
+final $typed_data.Uint8List recognizeControlDescriptor = $convert.base64Decode(
+    'ChBSZWNvZ25pemVDb250cm9sEiUKBmFjdGlvbhgBIAEoDjINLlJlY29yZEFjdGlvblIGYWN0aW'
+    '9uEiYKCW5sdV9tb2RlbBgCIAEoDjIJLk5MVU1vZGVsUghubHVNb2RlbBIsCgtyZWNvcmRfbW9k'
+    'ZRgDIAEoDjILLlJlY29yZE1vZGVSCnJlY29yZE1vZGUSGwoJc3RyZWFtX2lkGAQgASgJUghzdH'
+    'JlYW1JZA==');
+
+@$core.Deprecated('Use intentSlotDescriptor instead')
+const IntentSlot$json = {
+  '1': 'IntentSlot',
+  '2': [
+    {'1': 'name', '3': 1, '4': 1, '5': 9, '10': 'name'},
+    {'1': 'value', '3': 2, '4': 1, '5': 9, '10': 'value'},
+  ],
+};
+
+/// Descriptor for `IntentSlot`. Decode as a `google.protobuf.DescriptorProto`.
+final $typed_data.Uint8List intentSlotDescriptor = $convert.base64Decode(
+    'CgpJbnRlbnRTbG90EhIKBG5hbWUYASABKAlSBG5hbWUSFAoFdmFsdWUYAiABKAlSBXZhbHVl');
+
+@$core.Deprecated('Use recognizeResultDescriptor instead')
+const RecognizeResult$json = {
+  '1': 'RecognizeResult',
+  '2': [
+    {'1': 'command', '3': 1, '4': 1, '5': 9, '10': 'command'},
+    {'1': 'intent', '3': 2, '4': 1, '5': 9, '10': 'intent'},
+    {
+      '1': 'intent_slots',
+      '3': 3,
+      '4': 3,
+      '5': 11,
+      '6': '.IntentSlot',
+      '10': 'intentSlots'
+    },
+    {'1': 'stream_id', '3': 4, '4': 1, '5': 9, '10': 'streamId'},
+    {
+      '1': 'status',
+      '3': 5,
+      '4': 1,
+      '5': 14,
+      '6': '.RecognizeStatusType',
+      '10': 'status'
+    },
+  ],
+};
+
+/// Descriptor for `RecognizeResult`. Decode as a `google.protobuf.DescriptorProto`.
+final $typed_data.Uint8List recognizeResultDescriptor = $convert.base64Decode(
+    'Cg9SZWNvZ25pemVSZXN1bHQSGAoHY29tbWFuZBgBIAEoCVIHY29tbWFuZBIWCgZpbnRlbnQYAi'
+    'ABKAlSBmludGVudBIuCgxpbnRlbnRfc2xvdHMYAyADKAsyCy5JbnRlbnRTbG90UgtpbnRlbnRT'
+    'bG90cxIbCglzdHJlYW1faWQYBCABKAlSCHN0cmVhbUlkEiwKBnN0YXR1cxgFIAEoDjIULlJlY2'
+    '9nbml6ZVN0YXR1c1R5cGVSBnN0YXR1cw==');
+
+@$core.Deprecated('Use executeInputDescriptor instead')
+const ExecuteInput$json = {
+  '1': 'ExecuteInput',
+  '2': [
+    {'1': 'intent', '3': 1, '4': 1, '5': 9, '10': 'intent'},
+    {
+      '1': 'intent_slots',
+      '3': 2,
+      '4': 3,
+      '5': 11,
+      '6': '.IntentSlot',
+      '10': 'intentSlots'
+    },
+  ],
+};
+
+/// Descriptor for `ExecuteInput`. Decode as a `google.protobuf.DescriptorProto`.
+final $typed_data.Uint8List executeInputDescriptor = $convert.base64Decode(
+    'CgxFeGVjdXRlSW5wdXQSFgoGaW50ZW50GAEgASgJUgZpbnRlbnQSLgoMaW50ZW50X3Nsb3RzGA'
+    'IgAygLMgsuSW50ZW50U2xvdFILaW50ZW50U2xvdHM=');
+
+@$core.Deprecated('Use executeResultDescriptor instead')
+const ExecuteResult$json = {
+  '1': 'ExecuteResult',
+  '2': [
+    {'1': 'response', '3': 1, '4': 1, '5': 9, '10': 'response'},
+    {
+      '1': 'status',
+      '3': 2,
+      '4': 1,
+      '5': 14,
+      '6': '.ExecuteStatusType',
+      '10': 'status'
+    },
+  ],
+};
+
+/// Descriptor for `ExecuteResult`. Decode as a `google.protobuf.DescriptorProto`.
+final $typed_data.Uint8List executeResultDescriptor = $convert.base64Decode(
+    'Cg1FeGVjdXRlUmVzdWx0EhoKCHJlc3BvbnNlGAEgASgJUghyZXNwb25zZRIqCgZzdGF0dXMYAi'
+    'ABKA4yEi5FeGVjdXRlU3RhdHVzVHlwZVIGc3RhdHVz');
diff --git a/lib/grpc/voice_agent_client.dart b/lib/grpc/voice_agent_client.dart
new file mode 100644
index 0000000..f25f0d2
--- /dev/null
+++ b/lib/grpc/voice_agent_client.dart
@@ -0,0 +1,71 @@
+import 'dart:async';
+import 'package:grpc/grpc.dart';
+import './generated/voice_agent.pbgrpc.dart';
+
+class VoiceAgentClient {
+  late ClientChannel _channel;
+  late VoiceAgentServiceClient _client;
+
+  VoiceAgentClient(String host, int port) {
+    // Initialize the client channel without connecting immediately
+    _channel = ClientChannel(
+      host,
+      port: port,
+      options: ChannelOptions(
+        credentials: ChannelCredentials.insecure(),
+      ),
+    );
+
+    _client = VoiceAgentServiceClient(_channel);
+  }
+
+  Future<ServiceStatus> checkServiceStatus() async {
+    final empty = Empty();
+    try {
+      final response = await _client.checkServiceStatus(empty);
+      return response;
+    } catch (e) {
+      print('Error calling CheckServiceStatus: $e');
+      // Handle the error gracefully, such as returning an error status
+      return ServiceStatus()..status = false;
+    }
+  }
+
+  Stream<WakeWordStatus> detectWakeWord() {
+    final empty = Empty();
+    try {
+      return _client.detectWakeWord(empty);
+    } catch (e) {
+      print('Error calling DetectWakeWord: $e');
+      // Handle the error gracefully, such as returning a default status
+      return Stream.empty(); // An empty stream as a placeholder
+    }
+  }
+
+  Future<RecognizeResult> recognizeVoiceCommand(
+      Stream<RecognizeControl> controlStream) async {
+    try {
+      final response = await _client.recognizeVoiceCommand(controlStream);
+      return response;
+    } catch (e) {
+      print('Error calling RecognizeVoiceCommand: $e');
+      // Handle the error gracefully, such as returning a default RecognizeResult
+      return RecognizeResult()..status = RecognizeStatusType.REC_ERROR;
+    }
+  }
+
+  Future<ExecuteResult> executeVoiceCommand(ExecuteInput input) async {
+    try {
+      final response = await _client.executeVoiceCommand(input);
+      return response;
+    } catch (e) {
+      print('Error calling ExecuteVoiceCommand: $e');
+      // Handle the error gracefully, such as returning an error status
+      return ExecuteResult()..status = ExecuteStatusType.EXEC_ERROR;
+    }
+  }
+
+  Future<void> shutdown() async {
+    await _channel.shutdown();
+  }
+}
diff --git a/lib/main.dart b/lib/main.dart
new file mode 100644
index 0000000..bc5b84b
--- /dev/null
+++ b/lib/main.dart
@@ -0,0 +1,77 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'models/app_state.dart';
+import 'screens/home_screen.dart';
+import 'screens/error_screen.dart';
+import 'providers/service_status.dart';
+import 'grpc/generated/voice_agent.pbgrpc.dart';
+import 'grpc/voice_agent_client.dart';
+import 'utils/app_config.dart';
+
+void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+
+  final serviceStatusProvider = ServiceStatusProvider();
+
+  // get config variables
+  final config = await AppConfig.loadFromAsset();
+
+  // Check the service status initially
+  final initialServiceStatus = await checkServiceStatus(config);
+  serviceStatusProvider.setServiceStatus(initialServiceStatus.status);
+
+  runApp(
+    MultiProvider(
+      providers: [
+        ChangeNotifierProvider(create: (_) => AppState()),
+        ChangeNotifierProvider.value(value: serviceStatusProvider),
+      ],
+      child: App(
+        config: config,
+        onRetry: () async {
+          final serviceStatus = await checkServiceStatus(
+              config); // Retry connecting to the server
+
+          if (serviceStatus.status) {
+            serviceStatusProvider
+                .setServiceStatus(true); // Update the service status
+          }
+        },
+      ),
+    ),
+  );
+}
+
+Future<ServiceStatus> checkServiceStatus(AppConfig config) async {
+  final client = VoiceAgentClient(config.grpcHost, config.grpcPort);
+  final serviceStatus = await client.checkServiceStatus();
+  client.shutdown();
+  return serviceStatus;
+}
+
+class App extends StatelessWidget {
+  final AppConfig config;
+  final VoidCallback onRetry;
+
+  const App({Key? key, required this.config, required this.onRetry});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'AGL Voice Assistant',
+      theme: ThemeData(
+        useMaterial3: true,
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.green),
+      ),
+      home: Consumer<ServiceStatusProvider>(
+        builder: (context, provider, child) {
+          return provider.isServiceOnline
+              ? HomePage(config: config)
+              : ErrorScreen(
+                  onRetry: onRetry, // Pass the callback to the ErrorScreen
+                ); // Conditionally render HomePage or ErrorScreen
+        },
+      ),
+    );
+  }
+}
diff --git a/lib/models/app_state.dart b/lib/models/app_state.dart
new file mode 100644
index 0000000..be39bd2
--- /dev/null
+++ b/lib/models/app_state.dart
@@ -0,0 +1,8 @@
+import 'package:flutter/material.dart';
+
+class AppState extends ChangeNotifier {
+  bool isWakeWordDetected = false;
+  bool isWakeWordMode = false;
+  String intentEngine = "snips";
+  String streamId = "";
+}
diff --git a/lib/protos/voice_agent.proto b/lib/protos/voice_agent.proto
new file mode 100644
index 0000000..8c3ab65
--- /dev/null
+++ b/lib/protos/voice_agent.proto
@@ -0,0 +1,83 @@
+syntax = "proto3";
+
+
+service VoiceAgentService {
+  rpc CheckServiceStatus(Empty) returns (ServiceStatus);
+  rpc DetectWakeWord(Empty) returns (stream WakeWordStatus);
+  rpc RecognizeVoiceCommand(stream RecognizeControl) returns (RecognizeResult);
+  rpc ExecuteVoiceCommand(ExecuteInput) returns (ExecuteResult);
+}
+
+
+enum RecordAction {
+  START = 0;
+  STOP = 1;
+}
+
+enum NLUModel {
+  SNIPS = 0;
+  RASA = 1;
+}
+
+enum RecordMode {
+  MANUAL = 0;
+  AUTO = 1;
+}
+
+enum RecognizeStatusType {
+  REC_ERROR = 0;
+  REC_SUCCESS = 1;
+  REC_PROCESSING = 2;
+  VOICE_NOT_RECOGNIZED = 3;
+  INTENT_NOT_RECOGNIZED = 4;
+}
+
+enum ExecuteStatusType {
+  EXEC_ERROR = 0;
+  EXEC_SUCCESS = 1;
+  KUKSA_CONN_ERROR = 2;
+  INTENT_NOT_SUPPORTED = 3;
+  INTENT_SLOTS_INCOMPLETE = 4;
+}
+
+
+message Empty {}
+
+message ServiceStatus {
+  string version = 1;
+  bool status = 2;  
+}
+
+message WakeWordStatus {
+  bool status = 1;
+}
+
+message RecognizeControl {
+  RecordAction action = 1;
+  NLUModel nlu_model = 2;
+  RecordMode record_mode = 3;
+  string stream_id = 4;
+}
+
+message IntentSlot {
+  string name = 1;
+  string value = 2;
+}
+
+message RecognizeResult {
+  string command = 1;
+  string intent = 2;
+  repeated IntentSlot intent_slots = 3;
+  string stream_id = 4;
+  RecognizeStatusType status = 5;
+}
+
+message ExecuteInput {
+  string intent = 1;
+  repeated IntentSlot intent_slots = 2;
+}
+
+message ExecuteResult {
+  string response = 1;
+  ExecuteStatusType status = 2;
+}
diff --git a/lib/providers/service_status.dart b/lib/providers/service_status.dart
new file mode 100644
index 0000000..595c92e
--- /dev/null
+++ b/lib/providers/service_status.dart
@@ -0,0 +1,12 @@
+import 'package:flutter/material.dart';
+
+class ServiceStatusProvider extends ChangeNotifier {
+  bool _isServiceOnline = false;
+
+  bool get isServiceOnline => _isServiceOnline;
+
+  void setServiceStatus(bool isOnline) {
+    _isServiceOnline = isOnline;
+    notifyListeners(); // Notify listeners (i.e., widgets that depend on this value) about the change
+  }
+}
diff --git a/lib/screens/error_screen.dart b/lib/screens/error_screen.dart
new file mode 100644
index 0000000..04a5d30
--- /dev/null
+++ b/lib/screens/error_screen.dart
@@ -0,0 +1,62 @@
+import 'package:flutter/material.dart';
+
+class ErrorScreen extends StatelessWidget {
+  final VoidCallback onRetry;
+
+  ErrorScreen({required this.onRetry});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Center(
+        child: SizedBox(
+          width: MediaQuery.of(context).size.width * 0.7, // 70% of screen width
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: [
+              Icon(
+                Icons.error_outline, // Use a Material Icon
+                size: 100,
+                color: Colors.red,
+              ),
+              SizedBox(height: 20), // Add some spacing
+              Text(
+                'Oops!',
+                style: TextStyle(
+                  fontSize: 24,
+                  fontWeight: FontWeight.bold,
+                  color: Colors.red,
+                ),
+              ),
+              SizedBox(height: 10),
+              Text(
+                'Unable to connect to the voice assistant backend. Make sure the "agl-voiceagent-service" is up and running in server mode with correct config values.',
+                textAlign: TextAlign.center,
+                style: TextStyle(
+                  fontSize: 18,
+                  color: Colors.grey[700],
+                ),
+              ),
+              SizedBox(height: 20),
+              ElevatedButton(
+                onPressed: () {
+                  onRetry(); // Call the retry callback
+                },
+                style: ElevatedButton.styleFrom(
+                  foregroundColor: Colors.white,
+                  backgroundColor: Colors.blue, // Set button color
+                ),
+                child: Text(
+                  'Retry',
+                  style: TextStyle(
+                    fontSize: 18,
+                  ),
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}
diff --git a/lib/screens/home_screen.dart b/lib/screens/home_screen.dart
new file mode 100644
index 0000000..d19d461
--- /dev/null
+++ b/lib/screens/home_screen.dart
@@ -0,0 +1,398 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'dart:async';
+import '../models/app_state.dart';
+import '../widgets/nlu_engine_choice.dart';
+import '../widgets/assistant_mode_choice.dart';
+import '../widgets/record_command_button.dart';
+import '../widgets/listen_wake_word_section.dart';
+import '../widgets/chat_section.dart';
+import '../grpc/generated/voice_agent.pbgrpc.dart';
+import '../grpc/voice_agent_client.dart';
+import '../utils/app_config.dart';
+
+class HomePage extends StatefulWidget {
+  final AppConfig config;
+
+  HomePage({Key? key, required this.config});
+  @override
+  HomePageState createState() => HomePageState();
+}
+
+class HomePageState extends State<HomePage> {
+  late AppConfig _config; // Store the config as an instance variable
+  final ScrollController _scrollController = ScrollController();
+  List<ChatMessage> chatMessages = [];
+  StreamSubscription<WakeWordStatus>? _wakeWordStatusSubscription;
+  late VoiceAgentClient voiceAgentClient;
+
+  @override
+  void initState() {
+    super.initState();
+    _config = widget.config; // Initialize _config in the initState
+    addChatMessage(
+        "Assistant in Manual mode. You can send commands directly by pressing the record button.");
+  }
+
+  void changeAssistantMode(BuildContext context, AssistantMode newMode) {
+    final appState = context.read<AppState>();
+    clearChatMessages();
+    appState.streamId = "";
+    appState.isWakeWordDetected = false;
+
+    if (newMode == AssistantMode.wakeWord) {
+      appState.isWakeWordMode = true;
+      addChatMessage(
+          'Switched to Wake Word mode. I\'ll listen for the wake word before responding.');
+      toggleWakeWordDetection(context, true);
+    } else if (newMode == AssistantMode.manual) {
+      appState.isWakeWordMode = false;
+      addChatMessage(
+          'Switched to Manual mode. You can send commands directly by pressing record button.');
+      toggleWakeWordDetection(context, false);
+    }
+    print(appState.isWakeWordMode);
+    setState(() {}); // Trigger a rebuild
+  }
+
+  void changeIntentEngine(BuildContext context, NLUEngine newEngine) {
+    final appState = context.read<AppState>();
+
+    if (newEngine == NLUEngine.snips) {
+      appState.intentEngine = "snips";
+      addChatMessage(
+          'Switched to 🚀 Snips engine. Lets be precise and accurate.');
+    } else if (newEngine == NLUEngine.rasa) {
+      appState.intentEngine = "rasa";
+      addChatMessage(
+          'Switched to 🤖 RASA engine. Conversations just got smarter!');
+    }
+    print(appState.intentEngine);
+    setState(() {}); // Trigger a rebuild
+  }
+
+  void addChatMessage(String text, {bool isUserMessage = false}) {
+    final newMessage = ChatMessage(text: text, isUserMessage: isUserMessage);
+    setState(() {
+      chatMessages.add(newMessage);
+    });
+    // Use a post-frame callback to scroll after the frame has been rendered
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      _scrollController.animateTo(
+        _scrollController.position.maxScrollExtent,
+        duration: Duration(milliseconds: 300),
+        curve: Curves.easeInOut,
+      );
+    });
+  }
+
+  // Function to clear all chat messages
+  void clearChatMessages() {
+    setState(() {
+      chatMessages.clear();
+    });
+  }
+
+  void changeCommandRecordingState(
+      BuildContext context, bool isRecording) async {
+    final appState = context.read<AppState>();
+    if (isRecording) {
+      appState.streamId = await startRecording();
+    } else {
+      final response =
+          await stopRecording(appState.streamId, appState.intentEngine);
+      // Process and store the result
+      if (response.status == RecognizeStatusType.REC_SUCCESS) {
+        await executeVoiceCommand(
+            response); // Call executeVoiceCommand with the response
+      }
+    }
+  }
+
+  // gRPC related methods are as follows
+  // Function to start and stop the wake word detection loop
+  void toggleWakeWordDetection(BuildContext context, bool startDetection) {
+    final appState = context.read<AppState>();
+    if (startDetection) {
+      appState.isWakeWordDetected = false;
+      _startWakeWordDetection(context);
+    } else {
+      _stopWakeWordDetection();
+    }
+  }
+
+  // Function to start listening for wake word status responses
+  void _startWakeWordDetection(BuildContext context) {
+    final appState = context.read<AppState>();
+    voiceAgentClient = VoiceAgentClient(_config.grpcHost, _config.grpcPort);
+    _wakeWordStatusSubscription = voiceAgentClient.detectWakeWord().listen(
+      (response) {
+        if (response.status) {
+          // Wake word detected, you can handle this case here
+          // Set _isDetectingWakeWord to false to stop the loop
+          _stopWakeWordDetection();
+          appState.isWakeWordDetected = true;
+          addChatMessage(
+              'Wake word detected! Now you can send your command by pressing the record button.');
+          setState(() {}); // Trigger a rebuild
+        }
+      },
+      onError: (error) {
+        // Handle any errors that occur during wake word detection
+        print('Error during wake word detection: $error');
+        // Set _isDetectingWakeWord to false to stop the loop
+        _stopWakeWordDetection();
+      },
+      cancelOnError: true,
+    );
+  }
+
+  // Function to stop listening for wake word status responses
+  void _stopWakeWordDetection() {
+    _wakeWordStatusSubscription?.cancel();
+    voiceAgentClient.shutdown();
+  }
+
+  Future<String> startRecording() async {
+    String streamId = "";
+    voiceAgentClient = VoiceAgentClient(_config.grpcHost, _config.grpcPort);
+    try {
+      // Create a RecognizeControl message to start recording
+      final controlMessage = RecognizeControl()
+        ..action = RecordAction.START
+        ..recordMode = RecordMode
+            .MANUAL; // You can change this to your desired record mode
+
+      // Create a Stream with the control message
+      final controlStream = Stream.fromIterable([controlMessage]);
+
+      // Call the gRPC method to start recording
+      final response =
+          await voiceAgentClient.recognizeVoiceCommand(controlStream);
+
+      streamId = response.streamId;
+    } catch (e) {
+      print('Error starting recording: $e');
+      addChatMessage('Recording failed. Please try again.');
+    }
+    return streamId;
+  }
+
+  Future<RecognizeResult> stopRecording(
+      String streamId, String nluModel) async {
+    try {
+      NLUModel model = NLUModel.RASA;
+      if (nluModel == "snips") {
+        model = NLUModel.SNIPS;
+      }
+      // Create a RecognizeControl message to stop recording
+      final controlMessage = RecognizeControl()
+        ..action = RecordAction.STOP
+        ..nluModel = model
+        ..streamId =
+            streamId // Use the same stream ID as when starting recording
+        ..recordMode = RecordMode.MANUAL;
+
+      // Create a Stream with the control message
+      final controlStream = Stream.fromIterable([controlMessage]);
+
+      // Call the gRPC method to stop recording
+      final response =
+          await voiceAgentClient.recognizeVoiceCommand(controlStream);
+
+      // Process and store the result
+      if (response.status == RecognizeStatusType.REC_SUCCESS) {
+        final command = response.command;
+        // final intent = response.intent;
+        // final intentSlots = response.intentSlots;
+        addChatMessage(command, isUserMessage: true);
+      } else if (response.status == RecognizeStatusType.INTENT_NOT_RECOGNIZED) {
+        final command = response.command;
+        addChatMessage(command, isUserMessage: true);
+        addChatMessage(
+            "Unable to undertsand the intent behind your request. Please try again.");
+      } else {
+        addChatMessage(
+            'Failed to process your voice command. Please try again.');
+      }
+      await voiceAgentClient.shutdown();
+      return response;
+    } catch (e) {
+      print('Error stopping recording: $e');
+      addChatMessage('Failed to process your voice command. Please try again.');
+      await voiceAgentClient.shutdown();
+      return RecognizeResult()..status = RecognizeStatusType.REC_ERROR;
+    }
+    // await voiceAgentClient.shutdown();
+  }
+
+  Future<void> executeVoiceCommand(RecognizeResult response) async {
+    voiceAgentClient = VoiceAgentClient(_config.grpcHost, _config.grpcPort);
+    try {
+      // Create an ExecuteInput message using the response from stopRecording
+      final executeInput = ExecuteInput()
+        ..intent = response.intent
+        ..intentSlots.addAll(response.intentSlots);
+
+      // Call the gRPC method to execute the voice command
+      final execResponse =
+          await voiceAgentClient.executeVoiceCommand(executeInput);
+
+      // Handle the response as needed
+      if (execResponse.status == ExecuteStatusType.EXEC_SUCCESS) {
+        final commandResponse = execResponse.response;
+        addChatMessage(commandResponse);
+      } else if (execResponse.status == ExecuteStatusType.KUKSA_CONN_ERROR) {
+        final commandResponse = execResponse.response;
+        addChatMessage(commandResponse);
+      } else {
+        // Handle the case when execution fails
+        addChatMessage(
+            'Failed to execute your voice command. Please try again.');
+      }
+    } catch (e) {
+      print('Error executing voice command: $e');
+      // Handle any errors that occur during the gRPC call
+      addChatMessage('Failed to execute your voice command. Please try again.');
+    }
+    await voiceAgentClient.shutdown();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final appState = context.watch<AppState>();
+
+    return Scaffold(
+      body: SingleChildScrollView(
+        child: Center(
+          child: SizedBox(
+            width:
+                MediaQuery.of(context).size.width * 0.85, // 85% of screen width
+            child: Column(
+              mainAxisAlignment: MainAxisAlignment.start,
+              children: [
+                Image.asset(
+                  'assets/agl_logo.png', // Replace with your logo image path
+                  width: 120, // Adjust the width as needed
+                  height: 120, // Adjust the height as needed
+                ),
+                Text(
+                  "AGL Voice Assistant",
+                  style: TextStyle(fontSize: 26, fontWeight: FontWeight.bold),
+                ),
+                SizedBox(height: 30),
+                Row(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: [
+                    Flexible(
+                      flex: 1,
+                      child: Card(
+                        elevation: 4, // Add elevation for shadow
+                        shape: RoundedRectangleBorder(
+                          borderRadius: BorderRadius.circular(12),
+                        ),
+                        child: Padding(
+                          padding: EdgeInsets.all(16),
+                          child: Column(
+                            crossAxisAlignment: CrossAxisAlignment.start,
+                            children: [
+                              Text(
+                                'Assistant Mode',
+                                style: TextStyle(
+                                  fontSize: 20,
+                                  fontWeight: FontWeight.bold,
+                                ),
+                              ),
+                              SizedBox(height: 16), // Add spacing if needed
+                              Center(
+                                child: Consumer<AppState>(
+                                  builder: (context, appState, _) {
+                                    return AssistantModeChoice(
+                                      onModeChanged: (newMode) {
+                                        changeAssistantMode(context, newMode);
+                                        print(newMode);
+                                      },
+                                    );
+                                  },
+                                ),
+                              ),
+                            ],
+                          ),
+                        ),
+                      ),
+                    ),
+
+                    SizedBox(width: 20), // Add spacing between buttons
+
+                    Flexible(
+                      flex: 1,
+                      child: Card(
+                        elevation: 4, // Add elevation for shadow
+                        shape: RoundedRectangleBorder(
+                          borderRadius: BorderRadius.circular(12),
+                        ),
+                        child: Padding(
+                          padding: EdgeInsets.all(16),
+                          child: Column(
+                            crossAxisAlignment: CrossAxisAlignment.start,
+                            children: [
+                              Text(
+                                'Intent Engine',
+                                style: TextStyle(
+                                  fontSize: 20,
+                                  fontWeight: FontWeight.bold,
+                                ),
+                              ),
+                              SizedBox(height: 16), // Add spacing if needed
+                              Center(
+                                child: Consumer<AppState>(
+                                  builder: (context, appState, _) {
+                                    return NLUEngineChoice(
+                                      onEngineChanged: (newEngine) {
+                                        changeIntentEngine(context, newEngine);
+                                        print(newEngine);
+                                      },
+                                    );
+                                  },
+                                ),
+                              ),
+                            ],
+                          ),
+                        ),
+                      ),
+                    ),
+                  ],
+                ),
+                SizedBox(height: 30),
+                ChatSection(
+                  scrollController: _scrollController,
+                  chatMessages: chatMessages,
+                  addChatMessage: addChatMessage,
+                ),
+                SizedBox(height: 30),
+                if (!appState.isWakeWordMode || appState.isWakeWordDetected)
+                  Center(
+                    child: Consumer<AppState>(builder: (context, appState, _) {
+                      return RecordCommandButton(
+                        onRecordingStateChanged: (isRecording) {
+                          changeCommandRecordingState(context, isRecording);
+                        },
+                      );
+                    }),
+                  )
+                else
+                  Center(
+                    child: Consumer<AppState>(
+                      builder: (context, appState, _) {
+                        return ListeningForWakeWordSection();
+                      },
+                    ),
+                  ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
diff --git a/lib/utils/app_config.dart b/lib/utils/app_config.dart
new file mode 100644
index 0000000..8f5c566
--- /dev/null
+++ b/lib/utils/app_config.dart
@@ -0,0 +1,26 @@
+import 'dart:convert';
+import 'dart:async';
+import 'package:flutter/services.dart';
+
+class AppConfig {
+  late String grpcHost;
+  late int grpcPort;
+
+  AppConfig({required this.grpcHost, required this.grpcPort});
+
+  factory AppConfig.fromAsset() {
+    return AppConfig._();
+  }
+
+  AppConfig._();
+
+  static Future<AppConfig> loadFromAsset() async {
+    final configString = await rootBundle.loadString('assets/config.json');
+    final jsonMap = json.decode(configString);
+
+    return AppConfig(
+      grpcHost: jsonMap['grpc_host'],
+      grpcPort: jsonMap['grpc_port'],
+    );
+  }
+}
diff --git a/lib/widgets/assistant_mode_choice.dart b/lib/widgets/assistant_mode_choice.dart
new file mode 100644
index 0000000..ec17534
--- /dev/null
+++ b/lib/widgets/assistant_mode_choice.dart
@@ -0,0 +1,202 @@
+// import 'package:flutter/material.dart';
+// import 'package:provider/provider.dart';
+// import '../models/app_state.dart';
+
+// enum AssistantMode { wakeWord, manual }
+
+// class AssistantModeChoice extends StatefulWidget {
+//   final Function(AssistantMode) onModeChanged;
+
+//   const AssistantModeChoice({Key? key, required this.onModeChanged})
+//       : super(key: key);
+
+//   @override
+//   AssistantModeChoiceState createState() => AssistantModeChoiceState();
+// }
+
+// class AssistantModeChoiceState extends State<AssistantModeChoice> {
+//   @override
+//   Widget build(BuildContext context) {
+//     final appState = context.watch<AppState>(); // Watch the app state
+
+//     return SegmentedButton<AssistantMode>(
+//       segments: const <ButtonSegment<AssistantMode>>[
+//         ButtonSegment<AssistantMode>(
+//             value: AssistantMode.wakeWord,
+//             label: Text('Wake Word'),
+//             icon: Icon(Icons.graphic_eq)),
+//         ButtonSegment<AssistantMode>(
+//             value: AssistantMode.manual,
+//             label: Text('Manual'),
+//             icon: Icon(Icons.graphic_eq)),
+//       ],
+//       selected: <AssistantMode>{
+//         appState.isWakeWordMode ? AssistantMode.wakeWord : AssistantMode.manual
+//       }, // Use app state
+//       onSelectionChanged: (Set<AssistantMode> newSelection) {
+//         final newMode = newSelection.first;
+//         setState(() {
+//           // Update the app state when the mode changes
+//           appState.isWakeWordMode = newMode == AssistantMode.wakeWord;
+//         });
+//         // Call the callback function to notify the mode change
+//         widget.onModeChanged(newMode);
+//       },
+//       style: ButtonStyle(
+//           side: MaterialStateProperty.all<BorderSide>(
+//             BorderSide(
+//               width: 0, // Remove border width
+//               color: Colors.transparent, // Make border transparent
+//             ),
+//           ),
+//           backgroundColor: MaterialStateProperty.resolveWith<Color>(
+//             (states) {
+//               if (states.contains(MaterialState.selected)) {
+//                 return Colors.green; // Color when pressed
+//               }
+//               // Add more conditions for other states as needed
+//               return Colors.white; // Default color
+//             },
+//           ),
+//           foregroundColor: MaterialStateProperty.resolveWith<Color>((states) {
+//             if (states.contains(MaterialState.selected)) {
+//               return Colors.white; // Color when pressed
+//             }
+//             // Add more conditions for other states as needed
+//             return Colors.green;
+//           })),
+//     );
+//   }
+// }
+
+import 'package:flutter/material.dart';
+
+enum AssistantMode { wakeWord, manual }
+
+class AssistantModeChoice extends StatefulWidget {
+  final Function(AssistantMode) onModeChanged;
+
+  const AssistantModeChoice({Key? key, required this.onModeChanged})
+      : super(key: key);
+
+  @override
+  AssistantModeChoiceState createState() => AssistantModeChoiceState();
+}
+
+class AssistantModeChoiceState extends State<AssistantModeChoice> {
+  late AssistantMode _selectedMode;
+
+  @override
+  void initState() {
+    super.initState();
+    _selectedMode = AssistantMode.manual; // Initialize the selection
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      mainAxisAlignment: MainAxisAlignment.center,
+      children: <Widget>[
+        InkWell(
+          onTap: () => _onModeChanged(AssistantMode.wakeWord),
+          borderRadius: BorderRadius.only(
+            topLeft: Radius.circular(20.0),
+            bottomLeft: Radius.circular(20.0),
+          ),
+          child: Container(
+            padding: EdgeInsets.symmetric(horizontal: 17.5, vertical: 5.0),
+            decoration: BoxDecoration(
+              borderRadius: BorderRadius.only(
+                topLeft: Radius.circular(20.0),
+                bottomLeft: Radius.circular(20.0),
+              ),
+              color: _selectedMode == AssistantMode.wakeWord
+                  ? Colors.green
+                  : Colors.white,
+              border: Border.all(
+                color: Colors.transparent,
+              ),
+            ),
+            child: Row(
+              children: [
+                Icon(
+                  _selectedMode == AssistantMode.wakeWord
+                      ? Icons.check
+                      : Icons.graphic_eq,
+                  color: _selectedMode == AssistantMode.wakeWord
+                      ? Colors.white
+                      : Colors.green,
+                ),
+                SizedBox(width: 8),
+                Text(
+                  'Wake Word',
+                  style: TextStyle(
+                    fontWeight: FontWeight.bold,
+                    fontSize: 18,
+                    color: _selectedMode == AssistantMode.wakeWord
+                        ? Colors.white
+                        : Colors.green,
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ),
+        InkWell(
+          onTap: () => _onModeChanged(AssistantMode.manual),
+          borderRadius: BorderRadius.only(
+            topRight: Radius.circular(20.0),
+            bottomRight: Radius.circular(20.0),
+          ),
+          child: Container(
+            padding: EdgeInsets.symmetric(horizontal: 17.5, vertical: 5.0),
+            decoration: BoxDecoration(
+              borderRadius: BorderRadius.only(
+                topRight: Radius.circular(20.0),
+                bottomRight: Radius.circular(20.0),
+              ),
+              color: _selectedMode == AssistantMode.manual
+                  ? Colors.green
+                  : Colors.white,
+              border: Border.all(
+                color: Colors.transparent,
+              ),
+            ),
+            child: Row(
+              children: [
+                Icon(
+                  _selectedMode == AssistantMode.manual
+                      ? Icons.check
+                      : Icons.graphic_eq,
+                  color: _selectedMode == AssistantMode.manual
+                      ? Colors.white
+                      : Colors.green,
+                ),
+                SizedBox(width: 8),
+                Text(
+                  'Manual',
+                  style: TextStyle(
+                    fontWeight: FontWeight.bold,
+                    fontSize: 18,
+                    color: _selectedMode == AssistantMode.manual
+                        ? Colors.white
+                        : Colors.green,
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+
+  void _onModeChanged(AssistantMode newMode) {
+    setState(() {
+      _selectedMode = newMode;
+    });
+
+    // Call the callback function to notify the mode change
+    widget.onModeChanged(newMode);
+  }
+}
diff --git a/lib/widgets/chat_section.dart b/lib/widgets/chat_section.dart
new file mode 100644
index 0000000..596b9f3
--- /dev/null
+++ b/lib/widgets/chat_section.dart
@@ -0,0 +1,128 @@
+import 'package:flutter/material.dart';
+
+class ChatSection extends StatelessWidget {
+  final ScrollController scrollController;
+  final List<ChatMessage> chatMessages;
+  final Function(String text, {bool isUserMessage}) addChatMessage;
+
+  ChatSection({
+    required this.scrollController,
+    required this.chatMessages,
+    required this.addChatMessage,
+  });
+
+  @override
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      elevation: 4, // Add a subtle shadow
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(12),
+      ),
+      child: Column(
+        children: [
+          // Chat heading
+          Container(
+            padding: EdgeInsets.all(6),
+            alignment: Alignment.center,
+            child: Text(
+              'Command Logs',
+              style: TextStyle(
+                fontWeight: FontWeight.bold,
+                fontSize: 20,
+              ),
+            ),
+          ),
+          // Chat messages with fixed height
+          Container(
+            padding: EdgeInsets.all(12),
+            height: 180, // Adjust the height as needed
+            child: ListView.builder(
+              controller: scrollController,
+              itemCount: chatMessages.length,
+              itemBuilder: (context, index) {
+                final message = chatMessages[index];
+                return ChatMessageTile(message: message);
+              },
+            ),
+          ),
+          // User input field (if needed)
+          // ...
+        ],
+      ),
+    );
+  }
+}
+
+class ChatMessage {
+  final String text;
+  final bool isUserMessage;
+
+  ChatMessage({required this.text, this.isUserMessage = false});
+}
+
+class ChatMessageTile extends StatelessWidget {
+  final ChatMessage message;
+
+  ChatMessageTile({required this.message});
+
+  @override
+  Widget build(BuildContext context) {
+    return ListTile(
+      contentPadding: EdgeInsets.all(0),
+      title: Container(
+        alignment:
+            message.isUserMessage ? Alignment.topRight : Alignment.topLeft,
+        child: Row(
+          mainAxisAlignment: message.isUserMessage
+              ? MainAxisAlignment.end
+              : MainAxisAlignment.start,
+          children: [
+            if (!message.isUserMessage)
+              CircleAvatar(
+                backgroundColor: Colors.green[400],
+                child: Icon(
+                  Icons.smart_toy_outlined,
+                  color: Colors.white,
+                ),
+              ),
+            SizedBox(width: 8),
+            Flexible(
+              child: Container(
+                padding: EdgeInsets.symmetric(horizontal: 16, vertical: 8),
+                decoration: BoxDecoration(
+                  borderRadius: BorderRadius.only(
+                    topLeft: Radius.circular(16),
+                    topRight: Radius.circular(16),
+                    bottomLeft: message.isUserMessage
+                        ? Radius.circular(16)
+                        : Radius.circular(0),
+                    bottomRight: message.isUserMessage
+                        ? Radius.circular(0)
+                        : Radius.circular(16),
+                  ),
+                  color:
+                      message.isUserMessage ? Colors.blue : Colors.green[400],
+                ),
+                child: Text(
+                  message.text,
+                  style: TextStyle(color: Colors.white, fontSize: 18),
+                  maxLines: null,
+                ),
+              ),
+            ),
+            SizedBox(width: 8),
+            if (message.isUserMessage)
+              CircleAvatar(
+                backgroundColor: Colors.blue,
+                child: Icon(
+                  Icons.person,
+                  color: Colors.white,
+                ),
+              ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/lib/widgets/listen_wake_word_section.dart b/lib/widgets/listen_wake_word_section.dart
new file mode 100644
index 0000000..61abcd0
--- /dev/null
+++ b/lib/widgets/listen_wake_word_section.dart
@@ -0,0 +1,66 @@
+import 'package:flutter/material.dart';
+
+class ListeningForWakeWordSection extends StatefulWidget {
+  @override
+  ListeningForWakeWordSectionState createState() =>
+      ListeningForWakeWordSectionState();
+}
+
+class ListeningForWakeWordSectionState
+    extends State<ListeningForWakeWordSection>
+    with SingleTickerProviderStateMixin {
+  late AnimationController _controller;
+  late Animation<Color?> _colorAnimation;
+
+  @override
+  void initState() {
+    super.initState();
+
+    // Create an animation controller
+    _controller = AnimationController(
+      vsync: this,
+      duration: Duration(milliseconds: 1500), // Adjust the duration as needed
+    );
+
+    // Create a color change animation
+    _colorAnimation = ColorTween(
+      begin: Colors.orangeAccent, // Use your desired initial color
+      end: Colors.redAccent, // Use your desired final color
+    ).animate(_controller);
+
+    // Start both animations
+    _controller.repeat(reverse: true);
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose(); // Dispose of the animation controller
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: [
+        AnimatedBuilder(
+          animation: _controller,
+          builder: (context, child) {
+            return Icon(
+              Icons.album, // Replace with your listening icon
+              size: 60,
+              color: _colorAnimation.value,
+            );
+          },
+        ),
+        SizedBox(height: 8),
+        Text(
+          'Listening for wake word...',
+          style: TextStyle(
+            fontSize: 18,
+            fontWeight: FontWeight.bold,
+          ),
+        ),
+      ],
+    );
+  }
+}
diff --git a/lib/widgets/nlu_engine_choice.dart b/lib/widgets/nlu_engine_choice.dart
new file mode 100644
index 0000000..1e8ca52
--- /dev/null
+++ b/lib/widgets/nlu_engine_choice.dart
@@ -0,0 +1,200 @@
+// import 'package:flutter/material.dart';
+
+// enum NLUEngine { snips, rasa }
+
+// class NLUEngineChoice extends StatefulWidget {
+//   final Function(NLUEngine) onEngineChanged;
+
+//   const NLUEngineChoice({Key? key, required this.onEngineChanged})
+//       : super(key: key);
+
+//   @override
+//   State<NLUEngineChoice> createState() => _NLUEngineChoiceState();
+// }
+
+// class _NLUEngineChoiceState extends State<NLUEngineChoice> {
+//   NLUEngine nluView = NLUEngine.snips;
+
+//   @override
+//   Widget build(BuildContext context) {
+//     return SegmentedButton<NLUEngine>(
+//       segments: const <ButtonSegment<NLUEngine>>[
+//         ButtonSegment<NLUEngine>(
+//             value: NLUEngine.snips,
+//             label: Text('Snips'),
+//             icon: Icon(Icons.settings_suggest)),
+//         ButtonSegment<NLUEngine>(
+//             value: NLUEngine.rasa,
+//             label: Text('RASA'),
+//             icon: Icon(Icons.settings_suggest)),
+//       ],
+//       selected: <NLUEngine>{nluView},
+//       onSelectionChanged: (Set<NLUEngine> newSelection) {
+//         final newEngine = newSelection.first;
+//         setState(() {
+//           // By default there is only a single segment that can be
+//           // selected at one time, so its value is always the first
+//           // item in the selected set.
+//           nluView = newEngine;
+//         });
+//         // Call the callback function to notify the mode change
+//         widget.onEngineChanged(newEngine);
+//       },
+//       style: ButtonStyle(
+//           side: MaterialStateProperty.all<BorderSide>(
+//             BorderSide(
+//               width: 0, // Remove border width
+//               color: Colors.transparent, // Make border transparent
+//             ),
+//           ),
+//           backgroundColor: MaterialStateProperty.resolveWith<Color>(
+//             (states) {
+//               if (states.contains(MaterialState.selected)) {
+//                 return Colors.green; // Color when pressed
+//               }
+//               // Add more conditions for other states as needed
+//               return Colors.white; // Default color
+//             },
+//           ),
+//           foregroundColor: MaterialStateProperty.resolveWith<Color>((states) {
+//             if (states.contains(MaterialState.selected)) {
+//               return Colors.white; // Color when pressed
+//             }
+//             // Add more conditions for other states as needed
+//             return Colors.green;
+//           })),
+//     );
+//   }
+// }
+
+import 'package:flutter/material.dart';
+
+enum NLUEngine { snips, rasa }
+
+class NLUEngineChoice extends StatefulWidget {
+  final Function(NLUEngine) onEngineChanged;
+
+  const NLUEngineChoice({Key? key, required this.onEngineChanged})
+      : super(key: key);
+
+  @override
+  State<NLUEngineChoice> createState() => _NLUEngineChoiceState();
+}
+
+class _NLUEngineChoiceState extends State<NLUEngineChoice> {
+  late NLUEngine _selectedEngine;
+
+  @override
+  void initState() {
+    super.initState();
+    _selectedEngine = NLUEngine.snips; // Initialize the selection
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      mainAxisAlignment: MainAxisAlignment.center,
+      children: <Widget>[
+        InkWell(
+          onTap: () => _onEngineChanged(NLUEngine.snips),
+          borderRadius: BorderRadius.only(
+            topLeft: Radius.circular(20.0),
+            bottomLeft: Radius.circular(20.0),
+          ),
+          child: Container(
+            padding: EdgeInsets.symmetric(horizontal: 17.5, vertical: 5.0),
+            decoration: BoxDecoration(
+              borderRadius: BorderRadius.only(
+                topLeft: Radius.circular(20.0),
+                bottomLeft: Radius.circular(20.0),
+              ),
+              color: _selectedEngine == NLUEngine.snips
+                  ? Colors.green
+                  : Colors.white,
+              border: Border.all(
+                color: Colors.transparent,
+              ),
+            ),
+            child: Row(
+              children: [
+                Icon(
+                  _selectedEngine == NLUEngine.snips
+                      ? Icons.check
+                      : Icons.settings_suggest,
+                  color: _selectedEngine == NLUEngine.snips
+                      ? Colors.white
+                      : Colors.green,
+                ),
+                SizedBox(width: 8),
+                Text(
+                  'Snips',
+                  style: TextStyle(
+                    fontWeight: FontWeight.bold,
+                    fontSize: 18,
+                    color: _selectedEngine == NLUEngine.snips
+                        ? Colors.white
+                        : Colors.green,
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ),
+        InkWell(
+          onTap: () => _onEngineChanged(NLUEngine.rasa),
+          borderRadius: BorderRadius.only(
+            topRight: Radius.circular(20.0),
+            bottomRight: Radius.circular(20.0),
+          ),
+          child: Container(
+            padding: EdgeInsets.symmetric(horizontal: 17.5, vertical: 5.0),
+            decoration: BoxDecoration(
+              borderRadius: BorderRadius.only(
+                topRight: Radius.circular(20.0),
+                bottomRight: Radius.circular(20.0),
+              ),
+              color: _selectedEngine == NLUEngine.rasa
+                  ? Colors.green
+                  : Colors.white,
+              border: Border.all(
+                color: Colors.transparent,
+              ),
+            ),
+            child: Row(
+              children: [
+                Icon(
+                  _selectedEngine == NLUEngine.rasa
+                      ? Icons.check
+                      : Icons.settings_suggest,
+                  color: _selectedEngine == NLUEngine.rasa
+                      ? Colors.white
+                      : Colors.green,
+                ),
+                SizedBox(width: 8),
+                Text(
+                  'RASA',
+                  style: TextStyle(
+                    fontWeight: FontWeight.bold,
+                    fontSize: 18,
+                    color: _selectedEngine == NLUEngine.rasa
+                        ? Colors.white
+                        : Colors.green,
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+
+  void _onEngineChanged(NLUEngine newEngine) {
+    setState(() {
+      _selectedEngine = newEngine;
+    });
+
+    // Call the callback function to notify the engine change
+    widget.onEngineChanged(newEngine);
+  }
+}
diff --git a/lib/widgets/record_command_button.dart b/lib/widgets/record_command_button.dart
new file mode 100644
index 0000000..fdff772
--- /dev/null
+++ b/lib/widgets/record_command_button.dart
@@ -0,0 +1,66 @@
+import 'package:flutter/material.dart';
+
+class RecordCommandButton extends StatefulWidget {
+  final ValueChanged<bool> onRecordingStateChanged;
+
+  RecordCommandButton({required this.onRecordingStateChanged});
+
+  @override
+  RecordCommandButtonState createState() => RecordCommandButtonState();
+}
+
+class RecordCommandButtonState extends State<RecordCommandButton> {
+  bool isRecording = false;
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: [
+        AnimatedContainer(
+          duration: Duration(seconds: 1),
+          curve: Curves.easeInOut,
+          width: 60, // Adjust the button size as needed
+          height: 60, // Adjust the button size as needed
+          decoration: BoxDecoration(
+            shape: BoxShape.circle,
+            color: isRecording
+                ? Colors.red
+                : Colors.green, // Green when recording, red when not recording
+            boxShadow: [
+              BoxShadow(
+                color: Colors.black.withOpacity(0.5),
+                blurRadius: 5,
+                spreadRadius: 1,
+              ),
+            ],
+          ),
+          child: InkWell(
+            onTap: () {
+              // Toggle recording state
+              setState(() {
+                isRecording = !isRecording;
+              });
+              // Call the callback function with the recording state
+              widget.onRecordingStateChanged(isRecording);
+            },
+            child: Center(
+              child: Icon(
+                Icons.mic, // Microphone icon
+                size: 36, // Icon size
+                color: Colors.white, // Icon color
+              ),
+            ),
+          ),
+        ),
+        SizedBox(height: 8), // Add spacing between the button and text
+        Text(
+          isRecording ? 'Recording...' : 'Record Command',
+          style: TextStyle(
+            fontSize: 18, // Text size
+            fontWeight: FontWeight.bold,
+          ),
+        ),
+      ],
+    );
+  }
+}