- **Bootstrap IoC-based architecture with modular services.**

- **Implement `MlxModelService` for local LLM backend.**
- **Introduce `DatabaseService` for MySQL integration.**
- **Add `HistoryService` to manage conversation context.**
- **Set up CLI interface via `CliUiService`.**
- **Establish EventBus for token streaming.**
- **Include conversation repository for data persistence.**
- **Add environment-based configuration management.**
- **Draft IoC architectural plan.**

services/events/handlers.py

@@ -0,0 +1,15 @@
+import sys
+
+
+class StreamTokenHandler:
+    """스트림 토큰을 stdout에 실시간 출력하는 핸들러."""
+
+    def __call__(self, token: str) -> None:
+        print(token, end="", flush=True)
+
+
+class StreamEndHandler:
+    """스트림 종료 시 개행을 출력하는 핸들러."""
+
+    def __call__(self) -> None:
+        print("\n")