fix(cli): Websocket error condition (#265)

Errors are returned in the `@status` field not the `@error` field.

Author: dnys1

apps/cli/fixtures/standalone/auth/client/lib/src/functions.dart

@@ -302,7 +302,7 @@ class CelestFunctionsAuthenticatedLib {
     final $channel = celest.eventClient
         .connect(celest.baseUri.resolve('/authenticated-lib/stream-hello'));
     return $channel.stream.map(($event) {
-      if ($event is Map<String, Object?> && $event.containsKey('@error')) {
+      if ($event is Map<String, Object?> && $event.containsKey('@status')) {
         _throwError(body: $event);
       }
       return ($event as String);
@@ -590,7 +590,7 @@ class CelestFunctionsLib {
     final $channel = celest.eventClient
         .connect(celest.baseUri.resolve('/lib/stream-hello-authenticated'));
     return $channel.stream.map(($event) {
-      if ($event is Map<String, Object?> && $event.containsKey('@error')) {
+      if ($event is Map<String, Object?> && $event.containsKey('@status')) {
         _throwError(body: $event);
       }
       return ($event as String);
@@ -627,7 +627,7 @@ class CelestFunctionsLib {
     final $channel = celest.eventClient
         .connect(celest.baseUri.resolve('/lib/stream-hello-public'));
     return $channel.stream.map(($event) {
-      if ($event is Map<String, Object?> && $event.containsKey('@error')) {
+      if ($event is Map<String, Object?> && $event.containsKey('@status')) {
         _throwError(body: $event);
       }
       return ($event as String);
@@ -664,7 +664,7 @@ class CelestFunctionsLib {
     final $channel =
         celest.eventClient.connect(celest.baseUri.resolve('/lib/stream-hello'));
     return $channel.stream.map(($event) {
-      if ($event is Map<String, Object?> && $event.containsKey('@error')) {
+      if ($event is Map<String, Object?> && $event.containsKey('@status')) {
         _throwError(body: $event);
       }
       return ($event as String);
@@ -952,7 +952,7 @@ class CelestFunctionsPublicLib {
     final $channel = celest.eventClient
         .connect(celest.baseUri.resolve('/public-lib/stream-hello'));
     return $channel.stream.map(($event) {
-      if ($event is Map<String, Object?> && $event.containsKey('@error')) {
+      if ($event is Map<String, Object?> && $event.containsKey('@status')) {
         _throwError(body: $event);
       }
       return ($event as String);

apps/cli/fixtures/standalone/streaming/client/lib/src/functions.dart

@@ -282,7 +282,7 @@ class CelestFunctionsServerSide {
         .connect(celest.baseUri.resolve('/server-side/hello'));
     $channel.sink.add({r'names': names});
     return $channel.stream.map(($event) {
-      if ($event is Map<String, Object?> && $event.containsKey('@error')) {
+      if ($event is Map<String, Object?> && $event.containsKey('@status')) {
         _throwError(body: $event);
       }
       return ($event as String);
@@ -298,7 +298,7 @@ class CelestFunctionsServerSide {
         .resolve('/server-side/stock-ticker')
         .replace(queryParameters: {r'symbol': symbol}));
     return $channel.stream.map(($event) {
-      if ($event is Map<String, Object?> && $event.containsKey('@error')) {
+      if ($event is Map<String, Object?> && $event.containsKey('@status')) {
         _throwError(body: $event);
       }
       return _$celest.Serializers.instance
@@ -314,7 +314,7 @@ class CelestFunctionsServerSide {
     final $channel = celest.eventClient
         .connect(celest.baseUri.resolve('/server-side/json-values'));
     return $channel.stream.map(($event) {
-      if ($event is Map<String, Object?> && $event.containsKey('@error')) {
+      if ($event is Map<String, Object?> && $event.containsKey('@status')) {
         _throwError(body: $event);
       }
       return _$celest.Serializers.instance.deserialize<_$celest.JsonValue>(

apps/cli/lib/src/codegen/client/categories/client_functions_generator.dart

@@ -152,7 +152,7 @@ final class ClientFunctionsGenerator {
             ..requiredParameters.add(Parameter((p) => p.name = r'$event'))
             ..body = Block.of([
               const Code(r'''
-if ($event is Map<String, Object?> && $event.containsKey('@error')) {
+if ($event is Map<String, Object?> && $event.containsKey('@status')) {
   _throwError(body: $event);
 }'''),
               returnedBody,