tests fixes and some product advisories tunes ups

src/ExportCenter/StellaOps.ExportCenter/StellaOps.ExportCenter.Infrastructure/Db/MigrationScript.cs

@@ -30,7 +30,12 @@ internal sealed partial class MigrationScript
 
     public static bool TryCreate(string resourceName, string sql, [NotNullWhen(true)] out MigrationScript? script)
     {
-        var fileName = resourceName.Split('.').Last();
+        // Resource names are like: StellaOps.ExportCenter.Infrastructure.Db.Migrations.001_initial_schema.sql
+        // We need to extract "001_initial_schema.sql" (last two segments joined)
+        var parts = resourceName.Split('.');
+        var fileName = parts.Length >= 2
+            ? $"{parts[^2]}.{parts[^1]}"
+            : parts.LastOrDefault() ?? string.Empty;
         var match = VersionRegex.Match(fileName);
 
         if (!match.Success || !int.TryParse(match.Groups["version"].Value, out var version))