fix: require explicit system event session keys

src/infra/system-events.test.ts

@@ -2,6 +2,7 @@ import { beforeEach, describe, expect, it } from "vitest";
 
 import { prependSystemEvents } from "../auto-reply/reply/session-updates.js";
 import type { ClawdbotConfig } from "../config/config.js";
+import { resolveMainSessionKey } from "../config/sessions.js";
 import {
   enqueueSystemEvent,
   peekSystemEvents,
@@ -9,6 +10,7 @@ import {
 } from "./system-events.js";
 
 const cfg = {} as unknown as ClawdbotConfig;
+const mainKey = resolveMainSessionKey(cfg);
 
 describe("system events (session routing)", () => {
   beforeEach(() => {
@@ -21,14 +23,14 @@ describe("system events (session routing)", () => {
       contextKey: "discord:reaction:added:msg:user:✅",
     });
 
-    expect(peekSystemEvents()).toEqual([]);
+    expect(peekSystemEvents(mainKey)).toEqual([]);
     expect(peekSystemEvents("discord:group:123")).toEqual([
       "Discord reaction added: ✅",
     ]);
 
     const main = await prependSystemEvents({
       cfg,
-      sessionKey: "main",
+      sessionKey: mainKey,
       isMainSession: true,
       isNewSession: false,
       prefixedBodyBase: "hello",
@@ -49,16 +51,9 @@ describe("system events (session routing)", () => {
     expect(peekSystemEvents("discord:group:123")).toEqual([]);
   });
 
-  it("defaults system events to main", async () => {
-    enqueueSystemEvent("Node: Mac Studio");
-
-    const main = await prependSystemEvents({
-      cfg,
-      sessionKey: "main",
-      isMainSession: true,
-      isNewSession: false,
-      prefixedBodyBase: "ping",
-    });
-    expect(main).toBe("System: Node: Mac Studio\n\nping");
+  it("requires an explicit session key", () => {
+    expect(() =>
+      enqueueSystemEvent("Node: Mac Studio", { sessionKey: " " }),
+    ).toThrow("sessionKey");
   });
 });