chore: clear low-risk lint warnings

setup/legacy-room-registrations.ts

@@ -155,7 +155,7 @@ function getStoredRoomRoleOverrideRows(
     agent_config_json: string | null;
     created_at: string;
     updated_at: string;
-  }> = [];
+  }>;
   try {
     rows = database
       .prepare(

setup/platform.ts

@@ -191,7 +191,7 @@ export function ensureLinuxReadonlySandboxAppArmorSupport(options?: {
   const sysctlContents =
     '# Managed by EJClaw setup to allow bubblewrap readonly sandboxing.\n' +
     'kernel.apparmor_restrict_unprivileged_userns=0\n';
-  let existingContents: string | null = null;
+  let existingContents: string | null;
 
   try {
     existingContents = readFileSyncFn(sysctlPath, 'utf-8');

setup/service.ts

@@ -15,7 +15,6 @@ import {
   ensureLinuxReadonlySandboxAppArmorSupport,
   getPlatform,
   getNodePath,
-  getServiceManager,
 } from './platform.js';
 import { getServiceDefs } from './service-defs.js';
 import { setupLaunchd, setupLinux } from './service-installers.js';
@@ -30,7 +29,6 @@ export async function run(_args: string[]): Promise<void> {
   const platform = getPlatform();
   const nodePath = getNodePath();
   const homeDir = os.homedir();
-  const serviceManager = getServiceManager();
 
   logger.info({ platform, nodePath, projectRoot }, 'Setting up service');