fix(smartacme,storage): Respect wildcard domain requests when retrieving certificates and treat empty/whitespace storage values as null in getJSON

ts/classes.dcrouter.ts

@@ -499,7 +499,10 @@ export class DcRouter {
             // smartacme v9 handles concurrency, per-domain dedup, and rate limiting internally
             eventComms.log(`Attempting DNS-01 via SmartAcme for ${domain}`);
             eventComms.setSource('smartacme-dns-01');
-            const cert = await this.smartAcme.getCertificateForDomain(domain);
+            const isWildcardDomain = domain.startsWith('*.');
+            const cert = await this.smartAcme.getCertificateForDomain(domain, {
+              includeWildcard: !isWildcardDomain,
+            });
             if (cert.validUntil) {
               eventComms.setExpiryDate(new Date(cert.validUntil));
             }