feat: Enhance system prompt JSON schema and clarify tool result formatting in conversational agent

src/cli/service/ai/ollama_ai_service.cc

@@ -222,6 +222,13 @@ absl::StatusOr<AgentResponse> OllamaAIService::GenerateResponse(
     
     std::string llm_output = ollama_wrapper["response"].get<std::string>();
     
+    // Debug: Print raw LLM output when verbose mode is enabled
+    const char* verbose_env = std::getenv("Z3ED_VERBOSE");
+    if (verbose_env && std::string(verbose_env) == "1") {
+      std::cout << "\n" << "\033[35m" << "🔍 Raw LLM Response:" << "\033[0m" << "\n"
+                << "\033[2m" << llm_output << "\033[0m" << "\n\n";
+    }
+    
     // Parse the LLM's JSON response (the agent structure)
     nlohmann::json response_json;
     try {