feat: mostrar contrato en vista previa de recepciones en automation

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/routes/automation.py

@@ -157,6 +157,7 @@ async def preview_automation(
             "examenes": len(filas),
             "valor": float(filas[0].get("VALORTOTAL") or 0),
             "diag": str(filas[0].get("DIAG_PPAL") or ""),
+            "contrato": str(filas[0].get("CODCONTRATO") or "").strip(),
         })
 
     pacientes_preview = [

app/templates/automation.html

@@ -196,6 +196,7 @@ async function previewAutomation() {
             <span class="text-blue-400 w-4"><i class="fas fa-flask"></i></span>
             <span class="font-mono text-blue-700 w-28">${r.factura}</span>
             <span class="text-blue-600 w-24">${r.fecha}</span>
+            <span class="font-mono bg-blue-100 text-blue-800 px-1.5 py-0.5 rounded w-14 text-center">${r.contrato || '—'}</span>
             <span class="text-blue-600 w-20">${r.examenes} examen(es)</span>
             <span class="text-blue-600 flex-1">${r.diag}</span>
             <span class="text-blue-700 font-medium">$${Number(r.valor).toLocaleString('es-CO')}</span>