app/tasks/send_tasks.py:152:            invoice_date=var_cfg.get("invoice_date") or _today.isoformat(),
app/tasks/send_tasks.py:153:            due_date=var_cfg.get("due_date")
app/tasks/send_tasks.py:154:                      or (_today + timedelta(days=int(var_cfg.get("due_days", 14)))).isoformat(),
app/services/campaign_engine.py:233:        if var_cfg.get("invoice_date"):
app/services/campaign_engine.py:234:            g.invoice_date = var_cfg["invoice_date"]
app/services/campaign_engine.py:236:            g.invoice_date = date.today().isoformat()
app/services/campaign_engine.py:237:        if var_cfg.get("due_date"):
app/services/campaign_engine.py:238:            g.due_date = var_cfg["due_date"]
app/services/campaign_engine.py:240:            g.due_date = (date.today() + timedelta(days=int(var_cfg.get("due_days", 14)))).isoformat()
app/services/campaign_engine.py:282:                     "invoice_date": g.invoice_date, "due_date": g.due_date,
app/api/routers/test_send.py:85:        g.invoice_date = "2025-01-15"
app/api/routers/test_send.py:86:        g.due_date = "2025-01-30"