WIP: Large refactor checkpoint

- Refactored daemon client and RPC layer
- Added new client package structure in server
- Removed legacy hooks (use-daemon-request, use-session-rpc, use-websocket)
- Added use-daemon-client hook
- Added e2e test infrastructure with Playwright
- Updated agent providers and session handling
- Removed codex-sdk patches

packages/app/src/hooks/use-agent-commands-query.ts

@@ -1,6 +1,5 @@
 import { useQuery } from "@tanstack/react-query";
 import { useSessionStore } from "@/stores/session-store";
-import { sendRpcRequest } from "@/lib/send-rpc-request";
 
 const COMMANDS_STALE_TIME = 60_000; // Commands rarely change, cache for 1 minute
 
@@ -25,26 +24,23 @@ export function useAgentCommandsQuery({
   agentId,
   enabled = true,
 }: UseAgentCommandsQueryOptions) {
-  const ws = useSessionStore((state) => state.sessions[serverId]?.ws);
-
-  // Use getConnectionState for more reliable connection check
-  const isConnected = ws?.getConnectionState
-    ? ws.getConnectionState().isConnected
-    : ws?.isConnected ?? false;
+  const client = useSessionStore(
+    (state) => state.sessions[serverId]?.client ?? null
+  );
+  const isConnected = useSessionStore(
+    (state) => state.sessions[serverId]?.connection.isConnected ?? false
+  );
 
   const query = useQuery({
     queryKey: commandsQueryKey(serverId, agentId),
     queryFn: async () => {
-      if (!ws) {
-        throw new Error("WebSocket not available");
+      if (!client) {
+        throw new Error("Daemon client not available");
       }
-      const response = await sendRpcRequest(ws, {
-        type: "list_commands_request",
-        agentId,
-      });
+      const response = await client.listCommands(agentId);
       return response.commands as AgentSlashCommand[];
     },
-    enabled: enabled && !!ws && isConnected && !!agentId,
+    enabled: enabled && !!client && isConnected && !!agentId,
     staleTime: COMMANDS_STALE_TIME,
     retry: 3,
     retryDelay: (attemptIndex) => Math.min(1000 * 2 ** attemptIndex, 5000),