feat(f6.2): add per-act representative signing and user smtp

api-v3/src/inspection-reports/inspection-document-delivery.service.ts

@@ -281,7 +281,7 @@ export class InspectionDocumentDeliveryService {
       email = company?.email ?? null;
     } else if (row.recipientKind === 'INSPECTOR' && row.recipientUserId) {
       const [inspector] = await this.dataSource.query(`
-        SELECT email FROM users WHERE id=$1 AND is_active=true
+        SELECT email FROM users WHERE id=$1 AND status='ACTIVE'
       `, [row.recipientUserId]) as Array<{ email: string | null }>;
       email = inspector?.email ?? null;
     } else {
@@ -305,7 +305,14 @@ export class InspectionDocumentDeliveryService {
       await this.setStatus(row.id,'WAITING_RECIPIENT','Destinatario no configurado');
       return;
     }
-    if (!await this.smtp.configured()) {
+    const [sender] = await this.dataSource.query(`
+      SELECT visit.lead_inspector_user_id AS "userId"
+      FROM inspection_acts act
+      JOIN inspection_visits visit ON visit.id=act.visit_id
+      WHERE act.id=$1
+    `, [row.actId]) as Array<{ userId: string | null }>;
+    const senderUserId = sender?.userId ?? undefined;
+    if (!await this.smtp.configured(senderUserId)) {
       await this.setStatus(row.id,'WAITING_TRANSPORT','SMTP no configurado');
       return;
     }
@@ -348,7 +355,7 @@ export class InspectionDocumentDeliveryService {
           : `Se adjunta el acta sellada e inmutable ${row.actCode}.`;
       const sent = await this.smtp.send({
         to:row.recipientEmail,subject:`DH Inspección · ${label}`,text,attachment,
-      });
+      }, senderUserId);
       await this.dataSource.query(`
         UPDATE inspection_document_deliveries
         SET status='SENT',sent_at=CURRENT_TIMESTAMP,provider_message_id=$2,