first commit

app/Models/Unit.php

@@ -0,0 +1,22 @@
+<?php
+namespace App\Models;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class Unit extends Model
+{
+    use SoftDeletes;
+    protected $fillable = ['building_id', 'unit_no', 'floor_no', 'area_sqft', 'assets', 'status'];
+    protected $casts = ['assets' => 'array'];
+    
+    public function building() { return $this->belongsTo(Building::class); }
+    public function subunits() { return $this->hasMany(Subunit::class); }
+    public function contracts() { return $this->hasMany(Contract::class); }
+    
+    protected static function boot()
+    {
+        parent::boot();
+        static::creating(fn($model) => $model->created_by = auth()->id());
+        static::updating(fn($model) => $model->updated_by = auth()->id());
+    }
+}