/** Register synchronously; replies retain the WebExtension sendResponse contract. */
function registerBackgroundMessages({
  messageTypes,
  requestWeekDetails,
  requestTimeEntries,
  requestTimeEntriesSave,
  requestTimeEntriesDelete,
  requestLookupTaskType,
  requestServiceRequestExpand,
  requestResourceUser,
  requestActiveServiceRequests,
  invalidateProductsCache,
  invalidateResourceUser = async () => {},
  getXsrfTokenCookie,
  refreshXsrfCookie,
  requestAccountPlans,
  requestInstallBase,
  requestCustomerServiceRequest,
  requestWlActions,
  requestWorkloads,
  requestWorkloadForecastUpdate,
  invalidateWorkloadsCache,
  requestActionTeamMembers,
  requestActionFindLookup,
  requestMgmtAction,
  requestPostServiceRequest,
  requestPostInternalServiceRequest,
  requestInternalServiceRequest,
  requestSrLookupPrimaryPillar,
  requestSrLookupWithSession,
  prepareSrSession,
  requestSrLookupLanguage,
  requestSrLookupTechPlatform,
  requestLookupTypePlatform,
  requestInternalSrServices,
  requestSrLookupOpportunityBusiness,
  requestCurrentUser,
  requestConsumerTokenService,
  requestConsumptionTrend,
  requestConsumptionPlanDetail,
  requestRatecardByPlan,
  requestOpptyProducts,
  runtimeApi
}) {
runtimeApi.runtime.onMessage.addListener((message, sender, sendResponse) => {
    if (!message || !message.type) {
      return false;
    }
    if (message.type === messageTypes.requestLookupTaskType) {
      requestLookupTaskType().then(sendResponse).catch(error => sendResponse({ ok: false,
        error: error.message, httpStatus: error.httpStatus, debugRequests: error.debugRequests || [] }));
      return true;
    }
    if (message.type === messageTypes.requestTimeEntriesSave) {
      requestTimeEntriesSave(message).then(sendResponse).catch(error => sendResponse({ ok: false,
        error: error.message, httpStatus: error.httpStatus, debugRequests: error.debugRequests || [] }));
      return true;
    }
    if (message.type === messageTypes.requestTimeEntriesDelete) {
      requestTimeEntriesDelete(message).then(sendResponse).catch(error => sendResponse({ ok: false,
        error: error.message, httpStatus: error.httpStatus, debugRequests: error.debugRequests || [] }));
      return true;
    }
    if ([messageTypes.requestTimeEntries, messageTypes.requestServiceRequestExpand, messageTypes.requestWeekDetails, messageTypes.requestResourceUser, messageTypes.requestActiveServiceRequests].includes(message.type)) {
      const request = message.type === messageTypes.requestTimeEntries ? requestTimeEntries : message.type === messageTypes.requestServiceRequestExpand ? requestServiceRequestExpand : message.type === messageTypes.requestWeekDetails ? requestWeekDetails : message.type === messageTypes.requestResourceUser ? requestResourceUser : requestActiveServiceRequests;
      request(message).then(sendResponse).catch(error => sendResponse({ ok: false,
        error: error.message, httpStatus: error.httpStatus, debugRequests: error.debugRequests || [] }));
      return true;
    }
    if (message.type === messageTypes.requestPostInternalServiceRequest) {
      requestPostInternalServiceRequest(message).then(sendResponse).catch(error => sendResponse({ ok: false,
        error: error.message, debugRequests: error.debugRequests || [] }));
      return true;
    }
    if (message.type === messageTypes.requestPostServiceRequest) {
      requestPostServiceRequest(message).then(sendResponse).catch(error => sendResponse({ ok: false,
        error: error.message, debugRequests: error.debugRequests || [] }));
      return true;
    }
    if (message.type === messageTypes.prepareSrSession) {
      prepareSrSession(sender).then(sendResponse).catch(error => sendResponse({ ok: false,
        error: error.message, debugRequests: error.debugRequests || [] }));
      return true;
    }
    const srLookups = {
      [messageTypes.requestLookupTypePlatform]: requestLookupTypePlatform,
      [messageTypes.requestInternalSrServices]: requestInternalSrServices,
      [messageTypes.requestSrLookupPrimaryPillar]: requestSrLookupPrimaryPillar,
      [messageTypes.requestSrLookupLanguage]: requestSrLookupLanguage,
      [messageTypes.requestSrLookupTechPlatform]: requestSrLookupTechPlatform,
      [messageTypes.requestSrLookupOpportunityBusiness]: requestSrLookupOpportunityBusiness
    };
    if (Object.hasOwn(srLookups, message.type)) {
      requestSrLookupWithSession(srLookups[message.type], message, sender).then(sendResponse).catch(error => sendResponse({ ok: false,
        httpStatus: error.httpStatus, error: error.message, debugRequests: error.debugRequests || [] }));
      return true;
    }

    if (message.type === messageTypes.invalidateProductsCache) {
      Promise.all([invalidateProductsCache(), invalidateWorkloadsCache()]).then(() => invalidateResourceUser()).then(() => sendResponse({ ok: true })).catch(error => sendResponse({ ok: false, error: error.message || "Unable to clear products cache." }));
      return true;
    }
    if (message.type === messageTypes.getXsrfToken) {
      getXsrfTokenCookie()
        .then((result) => {
          sendResponse({
            ok: true,
            cookieName: result.cookie ? result.cookie.name : "",
            token: result.cookie ? result.cookie.value : "",
            matchedCookieNames: result.matchedCookieNames,
            lookupDetails: result.lookupDetails
          });
        })
        .catch((error) => {
          sendResponse({
            ok: false,
            cookieName: "",
            token: "",
            matchedCookieNames: [],
            lookupDetails: [],
            error: error.message || "Unable to read cookies."
          });
        });

      return true;
    }

    if (message.type === messageTypes.refreshXsrfCookie) {
      refreshXsrfCookie(sender)
        .then(sendResponse)
        .catch((error) => {
          sendResponse({
            ok: false,
            refreshed: false,
            cookieName: "",
            durationMs: 0,
            error: error.message || "Unable to refresh XSRF cookie."
          });
        });

      return true;
    }

    if (message.type === messageTypes.requestOpptyProducts) {
      requestOpptyProducts(message, sender)
        .then(sendResponse)
        .catch((error) => {
          sendResponse({
            ok: false,
            requestId: message.requestId || "",
            error: error.message || "Unable to load opportunity products."
          });
        });

      return true;
    }

    if (message.type === messageTypes.requestConsumerTokenService) {
      requestConsumerTokenService(sender)
        .then(sendResponse)
        .catch((error) => {
          sendResponse({
            ok: false,
            error: error.message || "Unable to load consumer token service.",
            debugRequests: Array.isArray(error.debugRequests) ? error.debugRequests : []
          });
        });

      return true;
    }

    if (message.type === messageTypes.requestCurrentUser) {
      requestCurrentUser().then(sendResponse).catch(error => sendResponse({
        ok: false, error: error.message || "Unable to load current user.",
        debugRequests: Array.isArray(error.debugRequests) ? error.debugRequests : []
      }));
      return true;
    }

    if ([messageTypes.requestActionTeamMembers, messageTypes.requestActionFindLookup, messageTypes.requestMgmtAction, messageTypes.requestInternalServiceRequest].includes(message.type)) {
      const request = message.type === messageTypes.requestInternalServiceRequest ? requestInternalServiceRequest : message.type === messageTypes.requestMgmtAction ? requestMgmtAction : message.type === messageTypes.requestActionTeamMembers ? requestActionTeamMembers : requestActionFindLookup;
      request(message, sender).then(sendResponse).catch(error => sendResponse({
        ok: false, httpStatus: error.httpStatus, error: error.message || "Unable to complete request.",
        debugRequests: Array.isArray(error.debugRequests) ? error.debugRequests : []
      }));
      return true;
    }

    if ([messageTypes.requestWorkloads, messageTypes.requestWorkloadForecastUpdate].includes(message.type)) {
      const request = message.type === messageTypes.requestWorkloads ? requestWorkloads : requestWorkloadForecastUpdate;
      request(message).then(sendResponse).catch(error => sendResponse({
        ok: false, error: error.message || "Unable to load workloads.", httpStatus: error.httpStatus,
        debugRequests: Array.isArray(error.debugRequests) ? error.debugRequests : []
      }));
      return true;
    }

    if (message.type === messageTypes.requestWlActions) {
      requestWlActions(message).then(sendResponse).catch(error => sendResponse({
        ok: false, error: error.message || "Unable to load workload actions.",
        debugRequests: Array.isArray(error.debugRequests) ? error.debugRequests : []
      }));
      return true;
    }

    if (message.type === messageTypes.requestCustomerServiceRequest) {
      requestCustomerServiceRequest(message).then(sendResponse).catch(error => sendResponse({
        ok: false, error: error.message || "Unable to load service requests.",
        debugRequests: Array.isArray(error.debugRequests) ? error.debugRequests : []
      }));
      return true;
    }

    if (message.type === messageTypes.requestInstallBase) {
      requestInstallBase(message).then(sendResponse).catch(error => sendResponse({
        ok: false, error: error.message || "Unable to load installed base.",
        debugRequests: Array.isArray(error.debugRequests) ? error.debugRequests : []
      }));
      return true;
    }

    if (message.type === messageTypes.requestAccountPlans) {
      requestAccountPlans(message)
        .then(sendResponse)
        .catch((error) => {
          sendResponse({
            ok: false,
            error: error.message || "Unable to load account plans.",
            debugRequests: Array.isArray(error.debugRequests) ? error.debugRequests : []
          });
        });

      return true;
    }

    if (message.type === messageTypes.requestRatecardByPlan) {
      requestRatecardByPlan(message).then(sendResponse).catch(error => sendResponse({
        ok: false, error: error.message || "Unable to load rate card.",
        debugRequests: Array.isArray(error.debugRequests) ? error.debugRequests : []
      }));
      return true;
    }

    if (message.type === messageTypes.requestConsumptionPlanDetail) {
      requestConsumptionPlanDetail(message).then(sendResponse).catch(error => sendResponse({
        ok: false, error: error.message || "Unable to load consumption plan details.",
        debugRequests: Array.isArray(error.debugRequests) ? error.debugRequests : []
      }));
      return true;
    }

    if (message.type === messageTypes.requestConsumptionTrend) {
      requestConsumptionTrend(message)
        .then(sendResponse)
        .catch((error) => {
          sendResponse({
            ok: false,
            error: error.message || "Unable to load consumption trend.",
            debugRequests: Array.isArray(error.debugRequests) ? error.debugRequests : []
          });
        });

      return true;
    }

    return false;
  });
}