WIP: Sicherheitsnetz vor Phase-1-R\u00fcckbau

Enth\u00e4lt gemischt: Laravel-10-Upgrade + Phase 1 (Contacts-Modul, Duplicats-Commands,
Soft-Delete+Merge-Fields) + Phase 2 Code-Umstellungen (inquiry_id, $table='contacts'/'inquiries')
+ Offers-Modul (Migrationen, Models, offer_id in Booking, offer-Disk in filesystems.php).

Phase 2 + Offers werden im folgenden Commit nach dev/backups/phase2-offers-2026-04-17/
verschoben, damit der Workspace auf Phase-1-only (= Test-System-Stand) reduziert ist
und direkt auf Live deploybar wird.

Tarball-Backup zus\u00e4tzlich unter: ../backups-safety/workspace-pre-phase1-rollback-2026-04-17.tar.gz

Made-with: Cursor

app/Models/Lead.php

@@ -9,6 +9,7 @@ namespace App\Models;
 use Carbon\Carbon;
 use App\Services\Passolution;
 use App\Models\Lead as ModelsLead;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Collection;
 
@@ -107,9 +108,16 @@ use Illuminate\Database\Eloquent\Collection;
  */
 class Lead extends Model
 {
+    use HasFactory;
+
     protected $connection = 'mysql';
 
-    protected $table = 'lead';
+    /**
+     * Modul 3 Phase 2: lead → inquiries (RENAME TABLE).
+     * Model-Name bleibt (um Breaking Changes in der gesamten Codebase zu vermeiden);
+     * fachlich ist das Modell jetzt eine "Inquiry" (Anfrage).
+     */
+    protected $table = 'inquiries';
 
 	protected $casts = [
 		'customer_id' => 'int',
@@ -126,16 +134,14 @@ class Lead extends Model
 		'travelcategory_id' => 'int',
 		'price' => 'float',
 		'pax' => 'int',
-		'participant_salutation_id' => 'int'
+		'participant_salutation_id' => 'int',
+		'request_date' => 'datetime',
+		'travelperiod_start' => 'datetime',
+		'travelperiod_end' => 'datetime',
+		'next_due_date' => 'datetime',
+		'participant_birthdate' => 'datetime',
 	];
 
-	protected $dates = [
-		'request_date',
-		'travelperiod_start',
-		'travelperiod_end',
-		'next_due_date',
-		'participant_birthdate'
-	];
 
 	protected $fillable = [
 		'customer_id',