feat: Implement WebSocket support for chat functionality and refactor chat service

- Added WebSocket endpoint for real-time chat interactions.
- Refactored ChatPage component to utilize WebSocket for sending and receiving messages.
- Updated chat service to handle streaming responses from the LLM agent.
- Introduced error handling for WebSocket connections and message processing.
- Modified Editor_Test to include AppShellWithMenu for better layout.
- Adjusted file path in generar_tree.py for correct directory structure.
- Created llm_chat_endpoint_v1.py and llm_chat_srvc.py for handling chat requests and responses.
- Established logging for WebSocket interactions and errors.

backend/router_v1.py

@@ -4,9 +4,10 @@ from fastapi import APIRouter
 from backend.domains.experiments import charts_examples_endpoint_v1 as charts
 from backend.domains.experiments import ping_endpoint_v1
 from backend.domains.text_manager import text_manager_endpoint_v1
-
+from backend.domains.llms import llm_chat_endpoint_v1
 
 router = APIRouter()
 router.include_router(ping_endpoint_v1.router, prefix="/ping")
 router.include_router(text_manager_endpoint_v1.router, prefix="/text_manager")
 router.include_router(charts.router, prefix="/charts")
+router.include_router(llm_chat_endpoint_v1.router, prefix="/llm", tags=["Agente LLM"])  # ← Nuevo router