chore(lint): burn down remaining warnings to zero

src/gateway/handlers/agent.test.ts

@@ -2,6 +2,7 @@ import { describe, it, expect, vi, beforeEach } from 'vitest';
 import type { GatewayEvent, GatewayRequest, OutboundMessage } from '../protocol.js';
 import { LaneQueue } from '../lane-queue.js';
 import { createAgentHandlers } from './agent.js';
+import type { AgentHandlerDeps } from './agent.js';
 import { CommandRegistry, registerBuiltinCommands } from '../../commands/index.js';
 
 describe('createAgentHandlers command fast-path', () => {
@@ -35,9 +36,9 @@ describe('createAgentHandlers command fast-path', () => {
   registerBuiltinCommands(commandRegistry);
 
   const handlers = createAgentHandlers({
-    sessionBridge: sessionBridge as any,
+    sessionBridge: sessionBridge as unknown as AgentHandlerDeps['sessionBridge'],
     laneQueue: new LaneQueue(),
-    sessionManager: sessionManager as any,
+    sessionManager: sessionManager as unknown as AgentHandlerDeps['sessionManager'],
     commandRegistry,
   });