feat: add departments to projects — two-column layout with inline CRUD

app/Models/Settings/Department.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Models\Settings;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Department extends Model
+{
+    protected $table = 'settings_departments';
+
+    protected $fillable = ['name', 'project_id', 'is_active'];
+
+    protected $casts = ['is_active' => 'boolean'];
+
+    public function project(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+    {
+        return $this->belongsTo(ProjectSetting::class, 'project_id');
+    }
+}

app/Models/Settings/ProjectSetting.php

@@ -21,4 +21,9 @@ class ProjectSetting extends Model
     {
         return $this->hasMany(\App\Models\Settings\Location::class, 'project_id');
     }
+
+    public function departments(): \Illuminate\Database\Eloquent\Relations\HasMany
+    {
+        return $this->hasMany(\App\Models\Settings\Department::class, 'project_id');
+    }
 }