Fix form keyboard issues and sticky footers in agent screens

src/hooks/useSessionTimeout.ts

@@ -0,0 +1,37 @@
+import { useEffect } from 'react';
+import { AppState, type AppStateStatus } from 'react-native';
+
+import { useAppDispatch } from '../app/hooks';
+import { logoutSession } from '../modules/auth/store/authThunk';
+import { uiActions } from '../modules/ui/store/uiSlice';
+import { sessionManager } from '../services/security/sessionManager';
+import { useToast } from './useToast';
+
+export const useSessionTimeout = () => {
+  const dispatch = useAppDispatch();
+  const toast = useToast();
+
+  useEffect(() => {
+    const handleAppStateChange = (nextState: AppStateStatus) => {
+      if (nextState === 'active') {
+        if (sessionManager.hasExpired()) {
+          dispatch(uiActions.setSessionExpired(true));
+          dispatch(logoutSession());
+          toast('Session expired', 'error', 'Please log in again to continue securely.');
+        }
+
+        sessionManager.touch();
+      }
+
+      if (nextState === 'background' || nextState === 'inactive') {
+        sessionManager.touch();
+      }
+    };
+
+    const subscription = AppState.addEventListener('change', handleAppStateChange);
+
+    return () => {
+      subscription.remove();
+    };
+  }, [dispatch, toast]);
+};