Added PostHog

frontend/pweb/lib/pages/login/form.dart

@@ -14,6 +14,7 @@ import 'package:pweb/widgets/password/password.dart';
 import 'package:pweb/widgets/username.dart';
 import 'package:pweb/widgets/vspacer.dart';
 import 'package:pweb/widgets/error/snackbar.dart';
+import 'package:pweb/services/posthog.dart';
 
 import 'package:pweb/generated/i18n/app_localizations.dart';
 
@@ -43,10 +44,14 @@ class _LoginFormState extends State<LoginForm> {
         password: _passwordController.text,
         locale: context.read<LocaleProvider>().locale.languageCode,
       );
+      await PosthogService.login(pending: outcome.isPending);
       if (outcome.isPending) {
         // TODO: fix context usage
         navigateAndReplace(context, Pages.sfactor);
       } else {
+        if (outcome.account != null) {
+          await PosthogService.identify(outcome.account!);
+        }
         onLogin();
       }
       return 'ok';