fix: stabilize docs and tests after system event timestamps

src/discord/monitor.slash.test.ts

@@ -31,7 +31,7 @@ beforeEach(() => {
 describe("discord native commands", () => {
   it(
     "streams tool results for native slash commands",
-    { timeout: 10_000 },
+    { timeout: 30_000 },
     async () => {
       const { ChannelType } = await import("@buape/carbon");
       const { createDiscordNativeCommand } = await import("./monitor.js");

src/discord/monitor.ts

@@ -179,7 +179,9 @@ export function registerDiscordListener(
   listeners: Array<object>,
   listener: object,
 ) {
-  if (listeners.some((existing) => existing.constructor === listener.constructor)) {
+  if (
+    listeners.some((existing) => existing.constructor === listener.constructor)
+  ) {
     return false;
   }
   listeners.push(listener);