feat: harden tenant settings and import pipeline

app/Models/Task.php

@@ -6,17 +6,18 @@ use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\SoftDeletes;
 
 class Task extends Model
 {
     use HasFactory;
+    use SoftDeletes;
 
     protected $table = 'tasks';
     protected $guarded = [];
     protected $casts = [
-        'title' => 'array',
-        'description' => 'array',
-        'example_text' => 'array',
+        'due_date' => 'datetime',
+        'is_completed' => 'bool',
     ];
 
     public function emotion(): BelongsTo