Wire Care lists into Ladill Queue workflows instead of reception panels.

When Queue integration is on, role pages issue tickets into their own
department queues and drive Call next → Serve → Complete on the native
lists. Integration off leaves existing UI unchanged.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Models/InvestigationRequest.php

@@ -30,7 +30,8 @@ class InvestigationRequest extends Model
     protected $table = 'care_investigation_requests';
 
     protected $fillable = [
-        'uuid', 'owner_ref', 'organization_id', 'branch_id', 'visit_id', 'consultation_id',
+        'uuid', 'queue_ticket_uuid', 'queue_ticket_number', 'queue_ticket_status',
+        'owner_ref', 'organization_id', 'branch_id', 'visit_id', 'consultation_id',
         'patient_id', 'investigation_type_id', 'practitioner_id', 'status', 'priority',
         'clinical_notes', 'requested_by', 'assigned_member_id', 'sample_barcode',
         'sample_collected_at', 'sample_collected_by', 'completed_at', 'delivered_at',