added leave request, profile and staff members controllers

app/Models/LeaveRequest.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class LeaveRequest extends Model
+{
+    protected $casts = [
+        'start_date' => 'date',
+        'end_date' => 'date',
+    ];
+    protected $guarded = ['id'];
+    public function staff()
+    {
+        return $this->belongsTo(StaffMember::class, 'staff_member_id');
+    }
+
+    // In StaffMember.php
+    public function leaveRequests()
+    {
+        return $this->hasMany(LeaveRequest::class, 'staff_member_id');
+    }
+}

app/Models/StaffDependent.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class StaffDependent extends Model
+{
+    protected $table = 'staff_dependents';
+    protected $guarded = [];
+
+    public function staff()
+    {
+        return $this->belongsTo(StaffMember::class, 'staff_id');
+    }
+}

app/Models/StaffMember.php

@@ -21,9 +21,16 @@ class StaffMember extends Authenticatable
         'password',
     ];
 
+    public function leaveRequests() { 
+        return $this->hasMany(LeaveRequest::class, 'staff_member_id'); 
+    }
+    public function dependents() { 
+        return $this->hasMany(StaffDependent::class, 'staff_id'); 
+    }
+
     // 4. Cast dates correctly
     protected $casts = [
-        'dob' => 'date',
+        // 'dob' => 'date',
         'hire_date' => 'datetime',
         'password' => 'hashed', // Laravel 10+ password casting
     ];