feat: implement soft deletes, mailbox reclaims, cooldowns, and auto-cleanup

app/Models/Mailbox.php

@@ -4,11 +4,12 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
 
 class Mailbox extends Model
 {
     /** @use HasFactory<\Database\Factories\MailboxFactory> */
-    use HasFactory;
+    use HasFactory, SoftDeletes;
 
     protected $fillable = [
         'mailbox_hash',
@@ -54,6 +55,21 @@ class Mailbox extends Model
                 userAgent: request()->userAgent()
             );
         });
+
+        static::deleted(function (Mailbox $mailbox) {
+            // Find all associated emails
+            $hashes = \App\Models\Email::where('recipient_email', $mailbox->address)->pluck('unique_id_hash');
+
+            if ($hashes->isNotEmpty()) {
+                // Clean MongoDB documents
+                \App\Models\EmailBody::whereIn('unique_id_hash', $hashes)->delete();
+
+                // Clean MariaDB records
+                \App\Models\Email::whereIn('unique_id_hash', $hashes)->delete();
+
+                // Future Placeholder: Delete physical attachments from S3/Storage here
+            }
+        });
     }
 
     public function user()