feat: enhance accessibility and testing with data-test attributes and improve error handling

apps/web/i18n/messages/en/bookings.json

@@ -0,0 +1,71 @@
+{
+  "nav": {
+    "bookings": "Bookings",
+    "calendar": "Calendar",
+    "rooms": "Rooms",
+    "guests": "Guests",
+    "newBooking": "New Booking"
+  },
+  "list": {
+    "title": "Bookings",
+    "searchPlaceholder": "Search guest or room...",
+    "newBooking": "New Booking",
+    "noBookings": "No bookings found",
+    "createFirst": "Create your first booking.",
+    "activeBookings": "Active Bookings",
+    "guest": "Guest",
+    "room": "Room",
+    "checkIn": "Check-in",
+    "checkOut": "Check-out",
+    "nights": "Nights",
+    "price": "Price"
+  },
+  "detail": {
+    "notFound": "Booking not found",
+    "guestInfo": "Guest Information",
+    "roomInfo": "Room Information",
+    "bookingDetails": "Booking Details",
+    "extras": "Extras"
+  },
+  "form": {
+    "room": "Room *",
+    "selectRoom": "— Select room —",
+    "guest": "Guest",
+    "checkIn": "Check-in *",
+    "checkOut": "Check-out *",
+    "adults": "Adults",
+    "children": "Children",
+    "notes": "Notes",
+    "created": "Booking created successfully",
+    "errorCreating": "Error creating booking"
+  },
+  "status": {
+    "pending": "Pending",
+    "confirmed": "Confirmed",
+    "checked_in": "Checked In",
+    "checked_out": "Checked Out",
+    "cancelled": "Cancelled",
+    "no_show": "No Show"
+  },
+  "rooms": {
+    "title": "Rooms",
+    "newRoom": "New Room",
+    "noRooms": "No rooms found",
+    "name": "Name",
+    "type": "Type",
+    "capacity": "Capacity",
+    "price": "Price/Night"
+  },
+  "guests": {
+    "title": "Guests",
+    "newGuest": "New Guest",
+    "noGuests": "No guests found",
+    "name": "Name",
+    "email": "Email",
+    "phone": "Phone",
+    "bookings": "Bookings"
+  },
+  "calendar": {
+    "title": "Availability Calendar"
+  }
+}