Enhance logging in FdsSqlOptions and related classes

- Updated FdsSqlOptions to accept an optional ILogger parameter for improved error logging.
- Modified FdsMfr and FdsMfrClient classes to pass the logger instance to FdsSqlOptions.
- Added detailed error logging in various methods to capture SQL execution issues and file handling errors.
- Improved documentation for FdsSqlOptions to clarify logging behavior.
- Updated Archive class to log compression errors, enhancing traceability of failures.
- Adjusted project configuration to suppress specific warnings related to transitive dependencies.
- Added NuGet.config to define package sources for dependency management.
- Updated submodule references for OCORE and related projects.

Fuchs/code/FuchsIntranet.cs

@@ -1,5 +1,6 @@
 using System.Globalization;
 using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
 using System.Security.Claims;
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Authentication.Cookies;
@@ -218,14 +219,21 @@ public class FuchsUserIdentity
 // --------------------------- SQL options -------------------------------------
 
 /// <summary>
-/// Fuchs-specific SQL options — adds debug logging on error.
+/// Fuchs-specific SQL options — logs every SQL error both to the app's structured
+/// <see cref="ILogger"/>/OpenTelemetry pipeline and to the <c>fds__admin_logdebug</c> SQL
+/// table (via <see cref="Fuchs_intranet.debug_log"/>). Handlers that don't separately inspect
+/// the result's <c>.Exception</c> would otherwise return an empty/200 response on a failing
+/// stored procedure with zero application-log signal — the DB table alone requires someone to
+/// go looking for it.
 /// </summary>
 public class FIS_SQLOptions : sqloptions
 {
-    public FIS_SQLOptions(Dictionary<string, object>? context = null)
+    public FIS_SQLOptions(Dictionary<string, object>? context = null, ILogger? logger = null)
     {
         OnError = (procedure, ex, data) =>
         {
+            logger?.LogError(ex, "SQL error in {Procedure}: {Message} — context={@Context}",
+                procedure, ex.Message, context);
             try { FuchsOcmsIntranet.Instance.debug_log($"SQL Error in {procedure}", ex, data: context); }
             catch { }
         };