Eliminate hidden host defaults

packages/app/src/hooks/use-aggregated-agents.ts

@@ -9,8 +9,6 @@ export interface AggregatedAgentGroup {
   agents: Agent[];
 }
 
-const EMPTY_AGENT_MAP: Map<string, Agent> = new Map();
-
 const sortAgents = (agents: Agent[]): Agent[] => {
   return [...agents].sort((left, right) => {
     const leftRunning = left.status === "running";
@@ -27,10 +25,9 @@ const sortAgents = (agents: Agent[]): Agent[] => {
   });
 };
 
-export function useAggregatedAgents(fallbackAgents?: Map<string, Agent>): AggregatedAgentGroup[] {
+export function useAggregatedAgents(): AggregatedAgentGroup[] {
   const { connectionStates } = useDaemonConnections();
   const sessionDirectory = useSessionDirectory();
-  const fallback = fallbackAgents ?? EMPTY_AGENT_MAP;
 
   return useMemo(() => {
     const groups = new Map<string, { serverLabel: string; agents: Agent[] }>();
@@ -58,15 +55,6 @@ export function useAggregatedAgents(fallbackAgents?: Map<string, Agent>): Aggreg
       });
     }
 
-    if (groups.size === 0 && fallback.size > 0) {
-      const fallbackServerId = connectionStates.keys().next().value ?? "default";
-      const label = connectionStates.get(fallbackServerId)?.daemon.label ?? fallbackServerId;
-      const fallbackList = Array.from(fallback.values());
-      if (fallbackList.length > 0) {
-        groups.set(fallbackServerId, { serverLabel: label, agents: fallbackList });
-      }
-    }
-
     const aggregatedGroups = Array.from(groups.entries()).map(([serverId, { serverLabel, agents }]) => ({
       serverId,
       serverLabel,
@@ -89,5 +77,5 @@ export function useAggregatedAgents(fallbackAgents?: Map<string, Agent>): Aggreg
     });
 
     return aggregatedGroups;
-  }, [sessionDirectory, fallback, connectionStates]);
+  }, [sessionDirectory, connectionStates]);
 }