chnages has been made for the request leave and request advance

lib/models/advance_request.dart

@@ -2,12 +2,12 @@ class AdvanceRequest {
   final String id;
   final double amount;
   final String reason;
-  final String status; // e.g., "pending", "approved", "rejected"
+  final String status; // "waiting", "approved", or "denied"
 
   AdvanceRequest({
     required this.id,
     required this.amount,
     required this.reason,
-    this.status = "pending",
+    this.status = "waiting", // Default status is "waiting"
   });
 }

lib/models/leave_request.dart

@@ -1,4 +1,5 @@
-import 'package:flutter/material.dart' show TimeOfDay;
+// LeaveRequest model
+import 'package:flutter/material.dart';
 
 class LeaveRequest {
   final String id;
@@ -10,7 +11,8 @@ class LeaveRequest {
   final TimeOfDay toTime;
   final String reason;
   final DateTime requestDate;
-  final String status; // e.g
+  final String status; // "waiting", "approved", or "denied"
+
   LeaveRequest({
     required this.id,
     required this.leaveType,
@@ -21,6 +23,8 @@ class LeaveRequest {
     required this.toTime,
     required this.reason,
     required this.requestDate,
-    this.status = "pending",
+    this.status = "waiting", // Default status is "waiting"
   });
 }
+
+// AdvanceRequest model