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/components/agent-list.tsx

@@ -45,8 +45,8 @@ export function AgentList({
 
       // Clear attention flag when opening agent
       const session = useSessionStore.getState().sessions[serverId];
-      if (session?.ws) {
-        session.ws.clearAgentAttention(agentId);
+      if (session?.client) {
+        session.client.clearAgentAttention(agentId);
       }
 
       const navigationKey = buildAgentNavigationKey(serverId, agentId);