refactor: Rename TrueCV to RealCV throughout codebase

- Renamed all directories (TrueCV.* -> RealCV.*)
- Renamed all project files (.csproj)
- Renamed solution file (TrueCV.sln -> RealCV.sln)
- Updated all namespaces in C# and Razor files
- Updated project references
- Updated CSS variable names

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/RealCV.Infrastructure/Helpers/JsonResponseHelper.cs

@@ -0,0 +1,32 @@
+namespace RealCV.Infrastructure.Helpers;
+
+/// <summary>
+/// Helper methods for processing AI/LLM JSON responses.
+/// </summary>
+public static class JsonResponseHelper
+{
+    /// <summary>
+    /// Cleans a JSON response by removing markdown code block formatting.
+    /// </summary>
+    public static string CleanJsonResponse(string response)
+    {
+        var trimmed = response.Trim();
+
+        // Remove markdown code blocks
+        if (trimmed.StartsWith("```json", StringComparison.OrdinalIgnoreCase))
+        {
+            trimmed = trimmed[7..];
+        }
+        else if (trimmed.StartsWith("```"))
+        {
+            trimmed = trimmed[3..];
+        }
+
+        if (trimmed.EndsWith("```"))
+        {
+            trimmed = trimmed[..^3];
+        }
+
+        return trimmed.Trim();
+    }
+}