Add validation warnings to critical imports

docs/critical_import_tool.md

@@ -383,6 +383,7 @@ This includes:
 
 - overall validity
 - validation errors
+- validation warnings
 - row count
 - cell count
 
@@ -490,6 +491,12 @@ If validation fails:
 - SQLite load is aborted
 - the command returns an error
 
+If validation succeeds with warnings:
+
+- artifacts still record the warnings
+- SQLite load continues
+- the CLI prints each warning before reporting the successful load
+
 This design is deliberate. It is safer to reject ambiguous extraction than to load a nearly-correct but wrong lookup table.
 
 ## Database Load Behavior

src/RolemasterDb.ImportTool/CriticalImportCommandRunner.cs

@@ -53,6 +53,11 @@ public sealed class CriticalImportCommandRunner
                 $"Validation failed for '{entry.Slug}'. See {artifactPaths.ValidationReportPath} for details.");
         }
 
+        foreach (var warning in parseResult.ValidationReport.Warnings)
+        {
+            Console.WriteLine($"Warning: {warning}");
+        }
+
         var loader = new CriticalImportLoader(ResolveDatabasePath(options.DatabasePath));
         var result = await loader.LoadAsync(parseResult.Table);
 

src/RolemasterDb.ImportTool/Parsing/ImportValidationReport.cs

@@ -3,11 +3,13 @@ namespace RolemasterDb.ImportTool.Parsing;
 public sealed class ImportValidationReport(
     bool isValid,
     IReadOnlyList<string> errors,
+    IReadOnlyList<string> warnings,
     int rowCount,
     int cellCount)
 {
     public bool IsValid { get; } = isValid;
     public IReadOnlyList<string> Errors { get; } = errors;
+    public IReadOnlyList<string> Warnings { get; } = warnings;
     public int RowCount { get; } = rowCount;
     public int CellCount { get; } = cellCount;
 }

src/RolemasterDb.ImportTool/Parsing/StandardCriticalTableParser.cs

@@ -19,6 +19,7 @@ public sealed class StandardCriticalTableParser
         var fragments = LoadFragments(xmlContent);
         var headerFragments = FindHeaderFragments(fragments);
         var validationErrors = new List<string>();
+        var validationWarnings = new List<string>();
 
         var columnCenters = headerFragments
             .OrderBy(item => item.Left)
@@ -147,6 +148,7 @@ public sealed class StandardCriticalTableParser
         var validationReport = new ImportValidationReport(
             validationErrors.Count == 0,
             validationErrors,
+            validationWarnings,
             rowAnchors.Count,
             parsedCells.Count);