feat: finalize msteams polls + outbound parity

src/msteams/index.ts

@@ -1,4 +1,4 @@
 export { monitorMSTeamsProvider } from "./monitor.js";
 export { probeMSTeams } from "./probe.js";
-export { sendMessageMSTeams } from "./send.js";
+export { sendMessageMSTeams, sendPollMSTeams } from "./send.js";
 export { type MSTeamsCredentials, resolveMSTeamsCredentials } from "./token.js";