feat(plugins): expose task dependencies in plugin and canvas data API (#3794)

Co-authored-by: nova28 <17953305+nova28@users.noreply.github.com>
Co-authored-by: Carlos Florencio <carlosmflorencio@gmail.com>

apps/backend/internal/plugins/webapp_protocol.go

@@ -119,9 +119,11 @@ func (s *Service) webAppHost(binding webapp.CapabilityBinding) *pluginHost {
 			taskWriter:    s.taskWriter,
 			taskPRsDep:    s.taskPRSourceDep,
 			writeDeps:     s.writeDependencies,
+			log:           s.log,
 		}
 	}
 	host.pluginID = binding.PluginID
+	host.instanceID = binding.InstanceID
 	host.capabilities = webAppCapabilities(binding.Permissions)
 	return host
 }
@@ -338,6 +340,8 @@ func webAppProtocolStatus(err error) int {
 		return http.StatusConflict
 	case codes.Unimplemented:
 		return http.StatusNotImplemented
+	case codes.ResourceExhausted:
+		return http.StatusInternalServerError
 	default:
 		if errors.Is(err, context.DeadlineExceeded) {
 			return http.StatusGatewayTimeout