fix(auth): parse expires_in as num in Session.fromJson

packages/supabase_auth/lib/src/auth_admin_oauth_api.dart

@@ -44,9 +44,9 @@ class OAuthClientListResponse {
           .map((e) => OAuthClient.fromJson(e as Map<String, dynamic>))
           .toList(),
       audience: json['aud'] as String?,
-      nextPage: json['nextPage'] as int?,
-      lastPage: json['lastPage'] as int?,
-      total: json['total'] as int? ?? 0,
+      nextPage: (json['nextPage'] as num?)?.toInt(),
+      lastPage: (json['lastPage'] as num?)?.toInt(),
+      total: (json['total'] as num?)?.toInt() ?? 0,
     );
   }
 }

packages/supabase_auth/lib/src/types/jwt.dart

@@ -79,9 +79,9 @@ class JwtPayload {
       issuer: json['iss'] as String?,
       subject: json['sub'] as String?,
       audience: json['aud'],
-      expiresAt: json['exp'] as int?,
-      notBefore: json['nbf'] as int?,
-      issuedAt: json['iat'] as int?,
+      expiresAt: (json['exp'] as num?)?.toInt(),
+      notBefore: (json['nbf'] as num?)?.toInt(),
+      issuedAt: (json['iat'] as num?)?.toInt(),
       jwtId: json['jti'] as String?,
       claims: Map<String, dynamic>.of(json),
     );

packages/supabase_auth/lib/src/types/session.dart

@@ -47,7 +47,7 @@ class Session {
     }
     return Session(
       accessToken: json['access_token'] as String,
-      expiresIn: json['expires_in'] as int?,
+      expiresIn: (json['expires_in'] as num?)?.toInt(),
       refreshToken: json['refresh_token'] as String?,
       tokenType: json['token_type'] as String,
       providerToken: json['provider_token'] as String?,

packages/supabase_auth/test/src/helper_test.dart

@@ -1,4 +1,5 @@
 import 'package:supabase_auth/src/helper.dart';
+import 'package:supabase_auth/src/types/jwt.dart';
 import 'package:test/test.dart';
 
 void main() {
@@ -363,4 +364,19 @@ void main() {
       });
     });
   });
+
+  group('JwtPayload', () {
+    test('fromJson accepts double exp, nbf, and iat', () {
+      final payload = JwtPayload.fromJson({
+        'sub': '1234567890',
+        'exp': 1700000000.0,
+        'nbf': 1600000000.0,
+        'iat': 1650000000.0,
+      });
+
+      expect(payload.expiresAt, equals(1700000000));
+      expect(payload.notBefore, equals(1600000000));
+      expect(payload.issuedAt, equals(1650000000));
+    });
+  });
 }

packages/supabase_auth/test/src/types/session_test.dart

@@ -109,6 +109,26 @@ void main() {
         );
         expect(session.user.id, equals('123'));
       });
+
+      test('accepts a double expires_in, as sent by a BroadcastChannel', () {
+        final json = {
+          'access_token': 'test-access-token',
+          'expires_in': 3600.0,
+          'token_type': 'bearer',
+          'user': {
+            'id': '123',
+            'app_metadata': <String, dynamic>{},
+            'user_metadata': <String, dynamic>{},
+            'aud': 'authenticated',
+            'created_at': '2023-01-01T00:00:00Z',
+          },
+        };
+
+        final session = Session.fromJson(json);
+
+        expect(session, isNotNull);
+        expect(session!.expiresIn, equals(3600));
+      });
     });
 
     group('toJson', () {