Add poll chat command with reaction voting

poc/src/test-communication.ts

@@ -17,6 +17,7 @@ import {
     hasTier,
     isTrusted,
     parseCommand,
+    parsePoll,
     parseTier,
     randomActionDelay,
     redactSecrets,
@@ -176,4 +177,13 @@ function entry(id: number, trusted: boolean): PuppetMessage {
     assert.equal(log.find("nope"), undefined);
 }
 
+// poll parser
+{
+    assert.deepEqual(parsePoll("Lunch? | Pizza | Sushi"), { question: "Lunch?", options: ["Pizza", "Sushi"] });
+    assert.deepEqual(parsePoll("Q | A | B | C | D"), { question: "Q", options: ["A", "B", "C", "D"] });
+    assert.equal(parsePoll("Q | A"), undefined);
+    assert.equal(parsePoll("Q | A | B | C | D | E"), undefined);
+    assert.equal(parsePoll(`Q | ${"x".repeat(100)} | B`), undefined);
+}
+
 console.log("all communication tests passed");