feat: add startup config validation and document ConfigManager pipeline editor

Add ConfigurationValidationRunner with IConfigurationValidator interface for
validating required settings at startup. Includes SecureStore and LDAP validators.
Expand ConfigManager with pipeline editing UI, dialogs, and step editors.
Update documentation with config validation guidance.

NEW/src/Utils/JdeScoping.ConfigManager/Services/AutoDiscoveryService.cs

@@ -59,7 +59,26 @@ public class AutoDiscoveryService : IAutoDiscoveryService
             return Task.FromResult<string?>(hostDir);
         }
 
-        // 4. Check user config directory
+        // 4. Check project structure paths (for development)
+        // When running from bin/Debug/net10.0, go up to find src/JdeScoping.Host
+        var projectHostPaths = new[]
+        {
+            // From bin/Debug/net10.0 -> src/JdeScoping.Host
+            _fileSystem.Combine(exeDir, "..", "..", "..", "..", "..", "JdeScoping.Host"),
+            // Absolute fallback for development
+            "/Users/dohertj2/Desktop/JdeScopingTool/NEW/src/JdeScoping.Host"
+        };
+
+        foreach (var projectPath in projectHostPaths)
+        {
+            if (IsValidConfigFolder(projectPath))
+            {
+                _logger?.LogInformation("Found config folder in project directory: {Path}", projectPath);
+                return Task.FromResult<string?>(Path.GetFullPath(projectPath));
+            }
+        }
+
+        // 5. Check user config directory
         var userConfigDir = GetUserConfigDirectory();
         if (userConfigDir != null && IsValidConfigFolder(userConfigDir))
         {