fix: address review feedback for minimumReleaseAgeLoose

- Wire minimumReleaseAgeLoose to strictPublishedByCheck in dlx resolver
- Strengthen loose fallback test assertion to verify specific version
- Update add command test name to reflect loose mode dependency

exec/commands/src/dlx.ts

@@ -106,6 +106,7 @@ export async function handler (
     configByUri: opts.configByUri,
     fullMetadata,
     filterMetadata: fullMetadata,
+    strictPublishedByCheck: Boolean(opts.minimumReleaseAge) && opts.minimumReleaseAgeLoose === false,
     retry: {
       factor: opts.fetchRetryFactor,
       maxTimeout: opts.fetchRetryMaxtimeout,