diff --git a/.gitignore b/.gitignore
index eb1d9ed..8d87f18 100644
--- a/.gitignore
+++ b/.gitignore
@@ -71,8 +71,12 @@ __pycache__/
 venv/
 .venv/
 
-# Models (large files)
-models/
+# ML model binary files (large, downloaded at runtime)
+# Note: do NOT use bare "models/" — it ignores Flutter data/models/ source code
+packages/services/voice-service/models/
+*.pt
+*.pth
+*.safetensors
 
 # Turbo
 .turbo/
diff --git a/it0_app/lib/features/agent_call/data/models/voice_session_model.dart b/it0_app/lib/features/agent_call/data/models/voice_session_model.dart
new file mode 100644
index 0000000..8817b1e
--- /dev/null
+++ b/it0_app/lib/features/agent_call/data/models/voice_session_model.dart
@@ -0,0 +1,72 @@
+import '../../domain/entities/voice_session.dart';
+
+class VoiceSessionModel {
+  final String id;
+  final String? websocketUrl;
+  final String status;
+  final String? startedAt;
+  final String? endedAt;
+
+  const VoiceSessionModel({
+    required this.id,
+    this.websocketUrl,
+    required this.status,
+    this.startedAt,
+    this.endedAt,
+  });
+
+  factory VoiceSessionModel.fromJson(Map<String, dynamic> json) {
+    return VoiceSessionModel(
+      id: json['id'] as String? ?? json['sessionId'] as String? ?? '',
+      websocketUrl: json['websocket_url'] as String? ??
+          json['ws_url'] as String? ??
+          json['websocketUrl'] as String?,
+      status: json['status'] as String? ?? 'active',
+      startedAt: json['startedAt'] as String? ??
+          json['started_at'] as String? ??
+          json['createdAt'] as String? ??
+          json['created_at'] as String?,
+      endedAt: json['endedAt'] as String? ?? json['ended_at'] as String?,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      if (websocketUrl != null) 'websocket_url': websocketUrl,
+      'status': status,
+      if (startedAt != null) 'startedAt': startedAt,
+      if (endedAt != null) 'endedAt': endedAt,
+    };
+  }
+
+  /// Converts this model to a domain [VoiceSession] entity.
+  VoiceSession toEntity() {
+    return VoiceSession(
+      id: id,
+      websocketUrl: websocketUrl,
+      status: _parseStatus(status),
+      startedAt: DateTime.tryParse(startedAt ?? '') ?? DateTime.now(),
+      endedAt: endedAt != null ? DateTime.tryParse(endedAt!) : null,
+    );
+  }
+
+  static VoiceSessionStatus _parseStatus(String status) {
+    switch (status.toLowerCase()) {
+      case 'ringing':
+        return VoiceSessionStatus.ringing;
+      case 'connecting':
+        return VoiceSessionStatus.connecting;
+      case 'active':
+      case 'connected':
+        return VoiceSessionStatus.active;
+      case 'ended':
+      case 'closed':
+        return VoiceSessionStatus.ended;
+      case 'error':
+        return VoiceSessionStatus.error;
+      default:
+        return VoiceSessionStatus.connecting;
+    }
+  }
+}
diff --git a/it0_app/lib/features/alerts/data/models/alert_event_model.dart b/it0_app/lib/features/alerts/data/models/alert_event_model.dart
new file mode 100644
index 0000000..f16319b
--- /dev/null
+++ b/it0_app/lib/features/alerts/data/models/alert_event_model.dart
@@ -0,0 +1,77 @@
+import '../../domain/entities/alert_event.dart';
+
+class AlertEventModel {
+  final String id;
+  final String? ruleId;
+  final String? serverId;
+  final String severity;
+  final String? message;
+  final bool acknowledged;
+  final String? createdAt;
+
+  const AlertEventModel({
+    required this.id,
+    this.ruleId,
+    this.serverId,
+    required this.severity,
+    this.message,
+    required this.acknowledged,
+    this.createdAt,
+  });
+
+  factory AlertEventModel.fromJson(Map<String, dynamic> json) {
+    return AlertEventModel(
+      id: json['id']?.toString() ?? '',
+      ruleId: json['ruleId'] as String? ?? json['rule_id'] as String?,
+      serverId:
+          json['serverId'] as String? ?? json['server_id'] as String?,
+      severity: json['severity'] as String? ?? 'info',
+      message: json['message'] as String?,
+      acknowledged: json['acknowledged'] as bool? ?? false,
+      createdAt:
+          json['createdAt'] as String? ?? json['created_at'] as String?,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      if (ruleId != null) 'ruleId': ruleId,
+      if (serverId != null) 'serverId': serverId,
+      'severity': severity,
+      if (message != null) 'message': message,
+      'acknowledged': acknowledged,
+    };
+  }
+
+  /// Converts this model to a domain [AlertEvent] entity.
+  AlertEvent toEntity() {
+    return AlertEvent(
+      id: id,
+      ruleId: ruleId,
+      serverId: serverId,
+      severity: severity,
+      message: message,
+      acknowledged: acknowledged,
+      createdAt: _parseDateTime(createdAt),
+    );
+  }
+
+  /// Creates a model from a domain [AlertEvent] entity.
+  factory AlertEventModel.fromEntity(AlertEvent entity) {
+    return AlertEventModel(
+      id: entity.id,
+      ruleId: entity.ruleId,
+      serverId: entity.serverId,
+      severity: entity.severity,
+      message: entity.message,
+      acknowledged: entity.acknowledged,
+      createdAt: entity.createdAt?.toIso8601String(),
+    );
+  }
+
+  static DateTime? _parseDateTime(String? value) {
+    if (value == null) return null;
+    return DateTime.tryParse(value);
+  }
+}
diff --git a/it0_app/lib/features/approvals/data/models/approval_model.dart b/it0_app/lib/features/approvals/data/models/approval_model.dart
new file mode 100644
index 0000000..ea273da
--- /dev/null
+++ b/it0_app/lib/features/approvals/data/models/approval_model.dart
@@ -0,0 +1,91 @@
+import '../../domain/entities/approval.dart';
+
+class ApprovalModel {
+  final String id;
+  final String? taskId;
+  final String? taskDescription;
+  final String? command;
+  final String? riskLevel;
+  final String? requestedBy;
+  final String status;
+  final String? expiresAt;
+  final String? createdAt;
+
+  const ApprovalModel({
+    required this.id,
+    this.taskId,
+    this.taskDescription,
+    this.command,
+    this.riskLevel,
+    this.requestedBy,
+    required this.status,
+    this.expiresAt,
+    this.createdAt,
+  });
+
+  factory ApprovalModel.fromJson(Map<String, dynamic> json) {
+    return ApprovalModel(
+      id: json['id']?.toString() ?? '',
+      taskId: json['taskId'] as String? ?? json['task_id'] as String?,
+      taskDescription: json['taskDescription'] as String? ??
+          json['task_description'] as String?,
+      command: json['command'] as String?,
+      riskLevel:
+          json['riskLevel'] as String? ?? json['risk_level'] as String?,
+      requestedBy: json['requestedBy'] as String? ??
+          json['requested_by'] as String?,
+      status: json['status'] as String? ?? 'pending',
+      expiresAt:
+          json['expiresAt'] as String? ?? json['expires_at'] as String?,
+      createdAt:
+          json['createdAt'] as String? ?? json['created_at'] as String?,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      if (taskId != null) 'taskId': taskId,
+      if (taskDescription != null) 'taskDescription': taskDescription,
+      if (command != null) 'command': command,
+      if (riskLevel != null) 'riskLevel': riskLevel,
+      if (requestedBy != null) 'requestedBy': requestedBy,
+      'status': status,
+    };
+  }
+
+  /// Converts this model to a domain [Approval] entity.
+  Approval toEntity() {
+    return Approval(
+      id: id,
+      taskId: taskId,
+      taskDescription: taskDescription,
+      command: command,
+      riskLevel: riskLevel,
+      requestedBy: requestedBy,
+      status: status,
+      expiresAt: _parseDateTime(expiresAt),
+      createdAt: _parseDateTime(createdAt),
+    );
+  }
+
+  /// Creates a model from a domain [Approval] entity.
+  factory ApprovalModel.fromEntity(Approval entity) {
+    return ApprovalModel(
+      id: entity.id,
+      taskId: entity.taskId,
+      taskDescription: entity.taskDescription,
+      command: entity.command,
+      riskLevel: entity.riskLevel,
+      requestedBy: entity.requestedBy,
+      status: entity.status,
+      expiresAt: entity.expiresAt?.toIso8601String(),
+      createdAt: entity.createdAt?.toIso8601String(),
+    );
+  }
+
+  static DateTime? _parseDateTime(String? value) {
+    if (value == null) return null;
+    return DateTime.tryParse(value);
+  }
+}
diff --git a/it0_app/lib/features/auth/data/models/auth_response.dart b/it0_app/lib/features/auth/data/models/auth_response.dart
new file mode 100644
index 0000000..a7a8dc5
--- /dev/null
+++ b/it0_app/lib/features/auth/data/models/auth_response.dart
@@ -0,0 +1,42 @@
+class AuthResponse {
+  final String accessToken;
+  final String refreshToken;
+  final AuthUser user;
+
+  const AuthResponse({
+    required this.accessToken,
+    required this.refreshToken,
+    required this.user,
+  });
+
+  factory AuthResponse.fromJson(Map<String, dynamic> json) {
+    return AuthResponse(
+      accessToken: json['accessToken'] as String,
+      refreshToken: json['refreshToken'] as String,
+      user: AuthUser.fromJson(json['user'] as Map<String, dynamic>),
+    );
+  }
+}
+
+class AuthUser {
+  final String id;
+  final String email;
+  final String name;
+  final List<String> roles;
+
+  const AuthUser({
+    required this.id,
+    required this.email,
+    required this.name,
+    required this.roles,
+  });
+
+  factory AuthUser.fromJson(Map<String, dynamic> json) {
+    return AuthUser(
+      id: json['id'] as String,
+      email: json['email'] as String,
+      name: json['name'] as String,
+      roles: (json['roles'] as List).cast<String>(),
+    );
+  }
+}
diff --git a/it0_app/lib/features/chat/data/models/chat_message_model.dart b/it0_app/lib/features/chat/data/models/chat_message_model.dart
new file mode 100644
index 0000000..1db270f
--- /dev/null
+++ b/it0_app/lib/features/chat/data/models/chat_message_model.dart
@@ -0,0 +1,174 @@
+import '../../domain/entities/chat_message.dart';
+
+class ChatMessageModel {
+  final String id;
+  final String role;
+  final String content;
+  final String timestamp;
+  final String? type;
+  final Map<String, dynamic>? toolExecution;
+  final Map<String, dynamic>? approvalRequest;
+  final Map<String, dynamic>? metadata;
+
+  const ChatMessageModel({
+    required this.id,
+    required this.role,
+    required this.content,
+    required this.timestamp,
+    this.type,
+    this.toolExecution,
+    this.approvalRequest,
+    this.metadata,
+  });
+
+  factory ChatMessageModel.fromJson(Map<String, dynamic> json) {
+    return ChatMessageModel(
+      id: json['id'] as String? ?? '',
+      role: json['role'] as String? ?? 'assistant',
+      content: json['content'] as String? ?? json['text'] as String? ?? '',
+      timestamp: json['timestamp'] as String? ??
+          json['created_at'] as String? ??
+          json['createdAt'] as String? ??
+          DateTime.now().toIso8601String(),
+      type: json['type'] as String?,
+      toolExecution: json['tool_execution'] as Map<String, dynamic>? ??
+          json['toolExecution'] as Map<String, dynamic>?,
+      approvalRequest: json['approval_request'] as Map<String, dynamic>? ??
+          json['approvalRequest'] as Map<String, dynamic>?,
+      metadata: json['metadata'] as Map<String, dynamic>?,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'role': role,
+      'content': content,
+      'timestamp': timestamp,
+      if (type != null) 'type': type,
+      if (toolExecution != null) 'toolExecution': toolExecution,
+      if (approvalRequest != null) 'approvalRequest': approvalRequest,
+      if (metadata != null) 'metadata': metadata,
+    };
+  }
+
+  /// Converts this model to a domain [ChatMessage] entity.
+  ChatMessage toEntity() {
+    return ChatMessage(
+      id: id,
+      role: _parseRole(role),
+      content: content,
+      timestamp: DateTime.tryParse(timestamp) ?? DateTime.now(),
+      type: _parseType(type),
+      toolExecution: toolExecution != null ? _parseToolExecution(toolExecution!) : null,
+      approvalRequest: approvalRequest != null ? _parseApprovalRequest(approvalRequest!) : null,
+      metadata: metadata,
+    );
+  }
+
+  /// Creates a model from a domain [ChatMessage] entity.
+  factory ChatMessageModel.fromEntity(ChatMessage entity) {
+    return ChatMessageModel(
+      id: entity.id,
+      role: entity.role.name,
+      content: entity.content,
+      timestamp: entity.timestamp.toIso8601String(),
+      type: entity.type?.name,
+      toolExecution: entity.toolExecution != null
+          ? {
+              'toolName': entity.toolExecution!.toolName,
+              'input': entity.toolExecution!.input,
+              'output': entity.toolExecution!.output,
+              'riskLevel': entity.toolExecution!.riskLevel,
+              'status': entity.toolExecution!.status.name,
+            }
+          : null,
+      approvalRequest: entity.approvalRequest != null
+          ? {
+              'taskId': entity.approvalRequest!.taskId,
+              'command': entity.approvalRequest!.command,
+              'riskLevel': entity.approvalRequest!.riskLevel,
+              'targetServer': entity.approvalRequest!.targetServer,
+              'expiresAt': entity.approvalRequest!.expiresAt.toIso8601String(),
+              'status': entity.approvalRequest!.status,
+            }
+          : null,
+      metadata: entity.metadata,
+    );
+  }
+
+  static MessageRole _parseRole(String role) {
+    switch (role.toLowerCase()) {
+      case 'user':
+        return MessageRole.user;
+      case 'system':
+        return MessageRole.system;
+      case 'assistant':
+      default:
+        return MessageRole.assistant;
+    }
+  }
+
+  static MessageType? _parseType(String? type) {
+    if (type == null) return null;
+    switch (type.toLowerCase()) {
+      case 'tool_use':
+      case 'tooluse':
+        return MessageType.toolUse;
+      case 'tool_result':
+      case 'toolresult':
+        return MessageType.toolResult;
+      case 'approval':
+        return MessageType.approval;
+      case 'thinking':
+        return MessageType.thinking;
+      case 'standing_order_draft':
+      case 'standingorderdraft':
+        return MessageType.standingOrderDraft;
+      case 'text':
+      default:
+        return MessageType.text;
+    }
+  }
+
+  static ToolExecution _parseToolExecution(Map<String, dynamic> json) {
+    return ToolExecution(
+      toolName: json['toolName'] as String? ?? json['tool_name'] as String? ?? '',
+      input: json['input'] as String? ?? '',
+      output: json['output'] as String?,
+      riskLevel: json['riskLevel'] as int? ?? json['risk_level'] as int? ?? 0,
+      status: _parseToolStatus(json['status'] as String? ?? 'executing'),
+    );
+  }
+
+  static ToolStatus _parseToolStatus(String status) {
+    switch (status.toLowerCase()) {
+      case 'completed':
+        return ToolStatus.completed;
+      case 'error':
+        return ToolStatus.error;
+      case 'blocked':
+        return ToolStatus.blocked;
+      case 'awaiting_approval':
+      case 'awaitingapproval':
+        return ToolStatus.awaitingApproval;
+      case 'executing':
+      default:
+        return ToolStatus.executing;
+    }
+  }
+
+  static ApprovalRequest _parseApprovalRequest(Map<String, dynamic> json) {
+    return ApprovalRequest(
+      taskId: json['taskId'] as String? ?? json['task_id'] as String? ?? '',
+      command: json['command'] as String? ?? '',
+      riskLevel: json['riskLevel'] as int? ?? json['risk_level'] as int? ?? 0,
+      targetServer: json['targetServer'] as String? ?? json['target_server'] as String?,
+      expiresAt: DateTime.tryParse(
+            json['expiresAt'] as String? ?? json['expires_at'] as String? ?? '',
+          ) ??
+          DateTime.now().add(const Duration(minutes: 5)),
+      status: json['status'] as String?,
+    );
+  }
+}
diff --git a/it0_app/lib/features/chat/data/models/session_model.dart b/it0_app/lib/features/chat/data/models/session_model.dart
new file mode 100644
index 0000000..89ecfd2
--- /dev/null
+++ b/it0_app/lib/features/chat/data/models/session_model.dart
@@ -0,0 +1,71 @@
+import '../../domain/entities/chat_session.dart';
+
+class SessionModel {
+  final String id;
+  final String? tenantId;
+  final String status;
+  final String startedAt;
+  final String? endedAt;
+  final int messageCount;
+
+  const SessionModel({
+    required this.id,
+    this.tenantId,
+    required this.status,
+    required this.startedAt,
+    this.endedAt,
+    this.messageCount = 0,
+  });
+
+  factory SessionModel.fromJson(Map<String, dynamic> json) {
+    return SessionModel(
+      id: json['id'] as String? ?? '',
+      tenantId: json['tenantId'] as String? ?? json['tenant_id'] as String?,
+      status: json['status'] as String? ?? 'active',
+      startedAt: json['startedAt'] as String? ??
+          json['started_at'] as String? ??
+          json['created_at'] as String? ??
+          json['createdAt'] as String? ??
+          DateTime.now().toIso8601String(),
+      endedAt: json['endedAt'] as String? ?? json['ended_at'] as String?,
+      messageCount: json['messageCount'] as int? ??
+          json['message_count'] as int? ??
+          0,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      if (tenantId != null) 'tenantId': tenantId,
+      'status': status,
+      'startedAt': startedAt,
+      if (endedAt != null) 'endedAt': endedAt,
+      'messageCount': messageCount,
+    };
+  }
+
+  /// Converts this model to a domain [ChatSession] entity.
+  ChatSession toEntity() {
+    return ChatSession(
+      id: id,
+      tenantId: tenantId,
+      status: status,
+      startedAt: DateTime.tryParse(startedAt) ?? DateTime.now(),
+      endedAt: endedAt != null ? DateTime.tryParse(endedAt!) : null,
+      messageCount: messageCount,
+    );
+  }
+
+  /// Creates a model from a domain [ChatSession] entity.
+  factory SessionModel.fromEntity(ChatSession entity) {
+    return SessionModel(
+      id: entity.id,
+      tenantId: entity.tenantId,
+      status: entity.status,
+      startedAt: entity.startedAt.toIso8601String(),
+      endedAt: entity.endedAt?.toIso8601String(),
+      messageCount: entity.messageCount,
+    );
+  }
+}
diff --git a/it0_app/lib/features/chat/data/models/stream_event_model.dart b/it0_app/lib/features/chat/data/models/stream_event_model.dart
new file mode 100644
index 0000000..cbec253
--- /dev/null
+++ b/it0_app/lib/features/chat/data/models/stream_event_model.dart
@@ -0,0 +1,90 @@
+import '../../domain/entities/stream_event.dart';
+
+class StreamEventModel {
+  final String type;
+  final Map<String, dynamic> data;
+
+  const StreamEventModel({
+    required this.type,
+    required this.data,
+  });
+
+  factory StreamEventModel.fromJson(Map<String, dynamic> json) {
+    final type = json['type'] as String? ??
+        json['event'] as String? ??
+        'text';
+
+    // The data payload may be nested under 'data' or at the top level
+    final data = json['data'] as Map<String, dynamic>? ?? json;
+
+    return StreamEventModel(type: type, data: data);
+  }
+
+  /// Converts this model to a domain [StreamEvent].
+  StreamEvent toEntity() {
+    switch (type.toLowerCase()) {
+      case 'thinking':
+        return ThinkingEvent(
+          data['content'] as String? ?? data['text'] as String? ?? '',
+        );
+
+      case 'text':
+      case 'message':
+      case 'stream_event':
+        return TextEvent(
+          data['content'] as String? ?? data['text'] as String? ?? '',
+        );
+
+      case 'tool_use':
+      case 'tool_call':
+        return ToolUseEvent(
+          data['toolName'] as String? ?? data['tool_name'] as String? ?? data['name'] as String? ?? '',
+          data['input'] as Map<String, dynamic>? ?? {},
+        );
+
+      case 'tool_result':
+        return ToolResultEvent(
+          data['toolName'] as String? ?? data['tool_name'] as String? ?? '',
+          data['output'] as String? ?? data['content'] as String? ?? '',
+          data['isError'] as bool? ?? data['is_error'] as bool? ?? false,
+        );
+
+      case 'approval_required':
+      case 'approval':
+        return ApprovalRequiredEvent(
+          data['taskId'] as String? ?? data['task_id'] as String? ?? '',
+          data['command'] as String? ?? '',
+          data['riskLevel'] as int? ?? data['risk_level'] as int? ?? 0,
+        );
+
+      case 'completed':
+      case 'done':
+      case 'stream_end':
+        return CompletedEvent(
+          data['summary'] as String? ?? data['content'] as String? ?? '',
+        );
+
+      case 'error':
+        return ErrorEvent(
+          data['message'] as String? ?? data['error'] as String? ?? 'Unknown error',
+        );
+
+      case 'standing_order_draft':
+        return StandingOrderDraftEvent(
+          data['draft'] as Map<String, dynamic>? ?? data,
+        );
+
+      case 'standing_order_confirmed':
+        return StandingOrderConfirmedEvent(
+          data['orderId'] as String? ?? data['order_id'] as String? ?? '',
+          data['orderName'] as String? ?? data['order_name'] as String? ?? '',
+        );
+
+      default:
+        // Fall back to text event for unknown types
+        return TextEvent(
+          data['content'] as String? ?? data['text'] as String? ?? '',
+        );
+    }
+  }
+}
diff --git a/it0_app/lib/features/servers/data/models/server_model.dart b/it0_app/lib/features/servers/data/models/server_model.dart
new file mode 100644
index 0000000..79a8a7c
--- /dev/null
+++ b/it0_app/lib/features/servers/data/models/server_model.dart
@@ -0,0 +1,85 @@
+import '../../domain/entities/server.dart';
+
+class ServerModel {
+  final String id;
+  final String hostname;
+  final String? ip;
+  final String? environment;
+  final String? role;
+  final String status;
+  final String? lastCheckedAt;
+  final List<String>? tags;
+
+  const ServerModel({
+    required this.id,
+    required this.hostname,
+    this.ip,
+    this.environment,
+    this.role,
+    required this.status,
+    this.lastCheckedAt,
+    this.tags,
+  });
+
+  factory ServerModel.fromJson(Map<String, dynamic> json) {
+    return ServerModel(
+      id: json['id']?.toString() ?? '',
+      hostname: json['hostname'] as String? ?? 'unknown',
+      ip: json['ip'] as String? ?? json['ipAddress'] as String? ??
+          json['ip_address'] as String?,
+      environment: json['environment'] as String?,
+      role: json['role'] as String?,
+      status: json['status'] as String? ?? 'unknown',
+      lastCheckedAt: json['lastCheckedAt'] as String? ??
+          json['last_checked_at'] as String?,
+      tags: (json['tags'] as List<dynamic>?)
+          ?.map((t) => t.toString())
+          .toList(),
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'hostname': hostname,
+      if (ip != null) 'ip': ip,
+      if (environment != null) 'environment': environment,
+      if (role != null) 'role': role,
+      'status': status,
+      if (tags != null) 'tags': tags,
+    };
+  }
+
+  /// Converts this model to a domain [Server] entity.
+  Server toEntity() {
+    return Server(
+      id: id,
+      hostname: hostname,
+      ip: ip,
+      environment: environment,
+      role: role,
+      status: status,
+      lastCheckedAt: _parseDateTime(lastCheckedAt),
+      tags: tags,
+    );
+  }
+
+  /// Creates a model from a domain [Server] entity.
+  factory ServerModel.fromEntity(Server entity) {
+    return ServerModel(
+      id: entity.id,
+      hostname: entity.hostname,
+      ip: entity.ip,
+      environment: entity.environment,
+      role: entity.role,
+      status: entity.status,
+      lastCheckedAt: entity.lastCheckedAt?.toIso8601String(),
+      tags: entity.tags,
+    );
+  }
+
+  static DateTime? _parseDateTime(String? value) {
+    if (value == null) return null;
+    return DateTime.tryParse(value);
+  }
+}
diff --git a/it0_app/lib/features/standing_orders/data/models/standing_order_model.dart b/it0_app/lib/features/standing_orders/data/models/standing_order_model.dart
new file mode 100644
index 0000000..a5c4577
--- /dev/null
+++ b/it0_app/lib/features/standing_orders/data/models/standing_order_model.dart
@@ -0,0 +1,94 @@
+import '../../domain/entities/standing_order.dart';
+
+class StandingOrderModel {
+  final String id;
+  final String name;
+  final String triggerType;
+  final String? schedule;
+  final String? agentInstructions;
+  final String? decisionBoundary;
+  final bool isActive;
+  final String? lastExecutedAt;
+  final String? createdAt;
+
+  const StandingOrderModel({
+    required this.id,
+    required this.name,
+    required this.triggerType,
+    this.schedule,
+    this.agentInstructions,
+    this.decisionBoundary,
+    required this.isActive,
+    this.lastExecutedAt,
+    this.createdAt,
+  });
+
+  factory StandingOrderModel.fromJson(Map<String, dynamic> json) {
+    return StandingOrderModel(
+      id: json['id']?.toString() ?? '',
+      name: json['name'] as String? ?? 'Untitled',
+      triggerType: json['triggerType'] as String? ??
+          json['trigger_type'] as String? ??
+          'cron',
+      schedule: json['schedule'] as String?,
+      agentInstructions: json['agentInstructions'] as String? ??
+          json['agent_instructions'] as String?,
+      decisionBoundary: json['decisionBoundary'] as String? ??
+          json['decision_boundary'] as String?,
+      isActive: json['isActive'] as bool? ??
+          json['is_active'] as bool? ??
+          false,
+      lastExecutedAt: json['lastExecutedAt'] as String? ??
+          json['last_executed_at'] as String?,
+      createdAt: json['createdAt'] as String? ??
+          json['created_at'] as String?,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'name': name,
+      'triggerType': triggerType,
+      if (schedule != null) 'schedule': schedule,
+      if (agentInstructions != null) 'agentInstructions': agentInstructions,
+      if (decisionBoundary != null) 'decisionBoundary': decisionBoundary,
+      'isActive': isActive,
+    };
+  }
+
+  /// Converts this model to a domain [StandingOrder] entity.
+  StandingOrder toEntity() {
+    return StandingOrder(
+      id: id,
+      name: name,
+      triggerType: triggerType,
+      schedule: schedule,
+      agentInstructions: agentInstructions,
+      decisionBoundary: decisionBoundary,
+      isActive: isActive,
+      lastExecutedAt: _parseDateTime(lastExecutedAt),
+      createdAt: _parseDateTime(createdAt),
+    );
+  }
+
+  /// Creates a model from a domain [StandingOrder] entity.
+  factory StandingOrderModel.fromEntity(StandingOrder entity) {
+    return StandingOrderModel(
+      id: entity.id,
+      name: entity.name,
+      triggerType: entity.triggerType,
+      schedule: entity.schedule,
+      agentInstructions: entity.agentInstructions,
+      decisionBoundary: entity.decisionBoundary,
+      isActive: entity.isActive,
+      lastExecutedAt: entity.lastExecutedAt?.toIso8601String(),
+      createdAt: entity.createdAt?.toIso8601String(),
+    );
+  }
+
+  static DateTime? _parseDateTime(String? value) {
+    if (value == null) return null;
+    return DateTime.tryParse(value);
+  }
+}
diff --git a/it0_app/lib/features/tasks/data/models/task_model.dart b/it0_app/lib/features/tasks/data/models/task_model.dart
new file mode 100644
index 0000000..e7a27f0
--- /dev/null
+++ b/it0_app/lib/features/tasks/data/models/task_model.dart
@@ -0,0 +1,96 @@
+import '../../domain/entities/task.dart';
+
+class TaskModel {
+  final String id;
+  final String title;
+  final String? description;
+  final String status;
+  final String? priority;
+  final String? serverId;
+  final String? serverName;
+  final String? assignedTo;
+  final String? createdAt;
+  final String? updatedAt;
+  final String? completedAt;
+
+  const TaskModel({
+    required this.id,
+    required this.title,
+    this.description,
+    required this.status,
+    this.priority,
+    this.serverId,
+    this.serverName,
+    this.assignedTo,
+    this.createdAt,
+    this.updatedAt,
+    this.completedAt,
+  });
+
+  factory TaskModel.fromJson(Map<String, dynamic> json) {
+    return TaskModel(
+      id: json['id']?.toString() ?? '',
+      title: json['title'] as String? ?? json['name'] as String? ?? 'Untitled',
+      description: json['description'] as String?,
+      status: json['status'] as String? ?? 'unknown',
+      priority: json['priority'] as String?,
+      serverId: json['serverId'] as String? ?? json['server_id'] as String?,
+      serverName: json['serverName'] as String? ?? json['server_name'] as String?,
+      assignedTo: json['assignedTo'] as String? ?? json['assigned_to'] as String?,
+      createdAt: json['createdAt'] as String? ?? json['created_at'] as String?,
+      updatedAt: json['updatedAt'] as String? ?? json['updated_at'] as String?,
+      completedAt: json['completedAt'] as String? ?? json['completed_at'] as String?,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'title': title,
+      if (description != null) 'description': description,
+      'status': status,
+      if (priority != null) 'priority': priority,
+      if (serverId != null) 'serverId': serverId,
+      if (assignedTo != null) 'assignedTo': assignedTo,
+    };
+  }
+
+  /// Converts this model to a domain [Task] entity.
+  Task toEntity() {
+    return Task(
+      id: id,
+      title: title,
+      description: description,
+      status: status,
+      priority: priority,
+      serverId: serverId,
+      serverName: serverName,
+      assignedTo: assignedTo,
+      createdAt: _parseDateTime(createdAt),
+      updatedAt: _parseDateTime(updatedAt),
+      completedAt: _parseDateTime(completedAt),
+    );
+  }
+
+  /// Creates a model from a domain [Task] entity.
+  factory TaskModel.fromEntity(Task entity) {
+    return TaskModel(
+      id: entity.id,
+      title: entity.title,
+      description: entity.description,
+      status: entity.status,
+      priority: entity.priority,
+      serverId: entity.serverId,
+      serverName: entity.serverName,
+      assignedTo: entity.assignedTo,
+      createdAt: entity.createdAt?.toIso8601String(),
+      updatedAt: entity.updatedAt?.toIso8601String(),
+      completedAt: entity.completedAt?.toIso8601String(),
+    );
+  }
+
+  static DateTime? _parseDateTime(String? value) {
+    if (value == null) return null;
+    return DateTime.tryParse(value);
+  }
+}
diff --git a/it0_app/test/widget_test.dart b/it0_app/test/widget_test.dart
new file mode 100644
index 0000000..b3234ba
--- /dev/null
+++ b/it0_app/test/widget_test.dart
@@ -0,0 +1,30 @@
+// This is a basic Flutter widget test.
+//
+// To perform an interaction with a widget in your test, use the WidgetTester
+// utility in the flutter_test package. For example, you can send tap and scroll
+// gestures. You can also use WidgetTester to find child widgets in the widget
+// tree, read text, and verify that the values of widget properties are correct.
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:it0_app/main.dart';
+
+void main() {
+  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
+    // Build our app and trigger a frame.
+    await tester.pumpWidget(const MyApp());
+
+    // Verify that our counter starts at 0.
+    expect(find.text('0'), findsOneWidget);
+    expect(find.text('1'), findsNothing);
+
+    // Tap the '+' icon and trigger a frame.
+    await tester.tap(find.byIcon(Icons.add));
+    await tester.pump();
+
+    // Verify that our counter has incremented.
+    expect(find.text('0'), findsNothing);
+    expect(find.text('1'), findsOneWidget);
+  });
+}
diff --git a/packages/services/voice-service/src/models/__init__.py b/packages/services/voice-service/src/models/__init__.py
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/packages/services/voice-service/src/models/__init__.py
@@ -0,0 +1 @@
+