fix first production issues

app/Models/LoginActivity.php

@@ -6,10 +6,17 @@ class LoginActivity extends BaseModel
 {
     protected $table = 'login_activity';
 
-    // ✅ legacy: useTimestamps = true (created_at/updated_at)
     public $timestamps = true;
 
-    protected $fillable = ['user_id', 'email', 'login_time', 'logout_time', 'ip_address', 'user_agent', 'created_at', 'updated_at', 'semester', 'school_year'];
+    protected $fillable = [
+        'user_id',
+        'email',
+        'login_time',
+        'logout_time',
+        'ip_address',
+        'user_agent',
+        'school_year',
+    ];
 
     protected $casts = [
         'user_id' => 'integer',
@@ -17,15 +24,11 @@ class LoginActivity extends BaseModel
         'logout_time' => 'datetime',
     ];
 
-    /* Optional relationship */
     public function user()
     {
         return $this->belongsTo(User::class, 'user_id');
     }
 
-    /**
-     * Equivalent of legacy getLastActivities()
-     */
     public static function getLastActivities(int $limit = 4)
     {
         return static::query()
@@ -33,4 +36,4 @@ class LoginActivity extends BaseModel
             ->limit(max(1, $limit))
             ->get();
     }
-}
+}