fix: use $c->rendered instead of stash->{rendered}

lib/Urupam/API.pm

@@ -38,7 +38,7 @@ sub shorten {
     )->then(
         sub {
             my $short_code = shift;
-            return if $c->stash->{rendered};
+            return if $c->rendered;
             my $short_url = $c->url_for("/$short_code")->to_abs;
             $c->render(
                 json => {
@@ -52,7 +52,7 @@ sub shorten {
     )->catch(
         sub {
             my $err = shift;
-            return if $c->stash->{rendered};
+            return if $c->rendered;
             $c->app->log->error("API URL validation/creation error: $err");
             my $status          = get_error_status($err);
             my $sanitized_error = sanitize_error_message($err);
@@ -82,7 +82,7 @@ sub get_url {
     return $url_service->get_original_url($short_code)->then(
         sub {
             my $original_url = shift;
-            return if $c->stash->{rendered};
+            return if $c->rendered;
             if ($original_url) {
                 my $short_url = $c->url_for("/$short_code")->to_abs;
                 $c->render(
@@ -104,7 +104,7 @@ sub get_url {
     )->catch(
         sub {
             my $err = shift;
-            return if $c->stash->{rendered};
+            return if $c->rendered;
             $c->app->log->error("API URL retrieval error: $err");
             my $status          = get_error_status($err);
             my $sanitized_error = sanitize_error_message($err);

lib/Urupam/App.pm

@@ -45,7 +45,7 @@ sub startup {
             $c->render_later;
             $c->db->ping->then(
                 sub {
-                    return if $c->stash->{rendered};
+                    return if $c->rendered;
                     $c->render(
                         json => {
                             status  => 'ok',
@@ -56,7 +56,7 @@ sub startup {
             )->catch(
                 sub {
                     my $err = shift;
-                    return if $c->stash->{rendered};
+                    return if $c->rendered;
                     $c->app->log->error("Health check DB error: $err");
                     $c->render(
                         json => {
@@ -113,7 +113,7 @@ sub startup {
             return $url_service->get_original_url($short_code)->then(
                 sub {
                     my $original_url = shift;
-                    return if $c->stash->{rendered};
+                    return if $c->rendered;
                     if ($original_url) {
                         $c->redirect_to($original_url);
                     }
@@ -127,7 +127,7 @@ sub startup {
             )->catch(
                 sub {
                     my $err = shift;
-                    return if $c->stash->{rendered};
+                    return if $c->rendered;
                     $c->app->log->error("Redirect lookup error: $err");
                     $c->render(
                         template => '500',