Removing named namespace from code base.

Romeo/src/AiGenerator.h

@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 
 #include <Core/Common/String.h>
 #include "Database.h"
@@ -8,7 +8,7 @@ namespace Romeo
     // Generates a description for the file entry using local Ollama or cloud Gemini API.
     // Returns true if generation was successful and entry.Description was populated.
     [[nodiscard]] bool AI_GenerateDescription(
-        Juliet::Arena* arena,
+        Arena* arena,
         FileEntry& entry
     );
 }