feat: keep track of agent ids

server/context/app.ts

@@ -1,19 +1,22 @@
 import type { HostInfo } from '~/types';
 import { TimedCache } from '~server/ws/cache';
 import { hp_agentRequest, hp_getAgentCache } from '~server/ws/data';
+import { hp_getAgents } from '~server/ws/socket';
 import { hp_getConfig } from './loader';
 import type { HeadplaneConfig } from './parser';
 
 export interface AppContext {
 	context: HeadplaneConfig;
-	agentData?: TimedCache<HostInfo>;
 	hp_agentRequest: typeof hp_agentRequest;
+	agents: string[];
+	agentData?: TimedCache<HostInfo>;
 }
 
-export default function appContext() {
+export default function appContext(): AppContext {
 	return {
 		context: hp_getConfig(),
-		agentData: hp_getAgentCache(),
 		hp_agentRequest,
+		agents: [...hp_getAgents().keys()],
+		agentData: hp_getAgentCache(),
 	};
 }