FrameworkView.h

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 #pragma once
 #include <string>
 #include <map>
 #include <nlohmann/json.hpp>
 
 // Forward declaration
 class HttpResponse;
 
 class FrameworkView {
 public:
     virtual ~FrameworkView() = default;
 
     virtual std::string render(const std::map<std::string, std::string>& context = {}) const = 0;
 
     virtual std::string getContentType() const = 0;
 
     virtual void applyHeaders(HttpResponse& response) const {}
 
     virtual std::string render(const nlohmann::json& context) const {
         return render();  // fallback ignores json
     }
 };