refactor: normalize main session key handling

src/auto-reply/reply.ts

@@ -29,6 +29,7 @@ import {
 import { resolveSessionFilePath } from "../config/sessions.js";
 import { logVerbose } from "../globals.js";
 import { clearCommandLane, getQueueSize } from "../process/command-queue.js";
+import { normalizeMainKey } from "../routing/session-key.js";
 import { defaultRuntime } from "../runtime.js";
 import { resolveCommandAuthorization } from "./command-auth.js";
 import { hasControlCommand } from "./command-detection.js";
@@ -780,7 +781,7 @@ export async function getReplyFromConfig(
   const isGroupSession =
     sessionEntry?.chatType === "group" || sessionEntry?.chatType === "room";
   const isMainSession =
-    !isGroupSession && sessionKey === (sessionCfg?.mainKey ?? "main");
+    !isGroupSession && sessionKey === normalizeMainKey(sessionCfg?.mainKey);
   prefixedBodyBase = await prependSystemEvents({
     cfg,
     sessionKey,

src/auto-reply/reply/session.ts

@@ -23,6 +23,7 @@ import {
   type SessionScope,
   saveSessionStore,
 } from "../../config/sessions.js";
+import { normalizeMainKey } from "../../routing/session-key.js";
 import { resolveCommandAuthorization } from "../command-auth.js";
 import type { MsgContext, TemplateContext } from "../templating.js";
 import { stripMentions, stripStructuralPrefixes } from "./mentions.js";
@@ -90,7 +91,7 @@ export async function initSessionState(params: {
 }): Promise<SessionInitResult> {
   const { ctx, cfg, commandAuthorized } = params;
   const sessionCfg = cfg.session;
-  const mainKey = sessionCfg?.mainKey ?? "main";
+  const mainKey = normalizeMainKey(sessionCfg?.mainKey);
   const agentId = resolveAgentIdFromSessionKey(ctx.SessionKey);
   const resetTriggers = sessionCfg?.resetTriggers?.length
     ? sessionCfg.resetTriggers