feat(integrations): add app linking (#4338)

packages/request-handler/src/lib/cached-integration-request-handler.ts

@@ -10,6 +10,7 @@ import { createCachedRequestHandler } from "./cached-request-handler";
 type IntegrationOfKind<TKind extends IntegrationKind> = Omit<Integration, "kind"> & {
   kind: TKind;
   decryptedSecrets: Modify<Pick<IntegrationSecret, "kind" | "value">, { value: string }>[];
+  externalUrl: string | null;
 };
 
 interface Options<TData, TKind extends IntegrationKind, TInput extends Record<string, unknown>> {

packages/request-handler/src/lib/cached-request-integration-job-handler.ts

@@ -96,6 +96,7 @@ export const createRequestIntegrationJobHandler = <
             ...integration,
             kind: integration.kind as TIntegrationKind,
             decryptedSecrets,
+            externalUrl: integration.app?.href ?? null,
           },
           input,
         );