Integrate AI Agent Services and Chat Interface

- Added support for AI agent services, including `ConversationalAgentService`, to facilitate user interactions through a chat interface.
- Implemented `ChatTUI` for a terminal-based chat experience, allowing users to send messages and receive responses from the AI agent.
- Updated `EditorManager` to include options for displaying the agent chat widget and performance dashboard.
- Enhanced CMake configurations to include new source files for AI services and chat interface components.

This commit significantly expands the functionality of the z3ed system, paving the way for a more interactive and user-friendly experience in ROM hacking.

src/cli/service/agent/conversational_agent_service.h

@@ -0,0 +1,40 @@
+#ifndef YAZE_SRC_CLI_SERVICE_AGENT_CONVERSATIONAL_AGENT_SERVICE_H_
+#define YAZE_SRC_CLI_SERVICE_AGENT_CONVERSATIONAL_AGENT_SERVICE_H_
+
+#include <string>
+#include <vector>
+
+#include "absl/status/statusor.h"
+#include "cli/service/ai/ai_service.h"
+
+namespace yaze {
+namespace cli {
+namespace agent {
+
+struct ChatMessage {
+  enum class Sender { kUser, kAgent };
+  Sender sender;
+  std::string message;
+  absl::Time timestamp;
+};
+
+class ConversationalAgentService {
+ public:
+  ConversationalAgentService();
+
+  // Send a message from the user and get the agent's response.
+  absl::StatusOr<ChatMessage> SendMessage(const std::string& message);
+
+  // Get the full chat history.
+  const std::vector<ChatMessage>& GetHistory() const;
+
+ private:
+  std::vector<ChatMessage> history_;
+  std::unique_ptr<AIService> ai_service_;
+};
+
+}  // namespace agent
+}  // namespace cli
+}  // namespace yaze
+
+#endif  // YAZE_SRC_CLI_SERVICE_AGENT_CONVERSATIONAL_AGENT_SERVICE_H_