feat: Implement main application shell with navigation and color scheme toggle

- Added Appshell component with responsive navbar and main content area
- Integrated ColorSchemeToggle for light/dark mode switching
- Created Welcome component with styled title and introductory text
- Developed ChatPage for LLM interaction with WebSocket support
- Implemented Biblioteca for managing notes with rich text editor
- Added LoginPage for user authentication with error handling
- Introduced MessageList and MessageBubble components for chat messages
- Styled components with CSS modules for consistent design

domains/Llms/MCPs/McpServer.py

@@ -0,0 +1,48 @@
+# server_runner.py
+import subprocess
+import asyncio
+import socket
+import re
+from pathlib import Path
+
+async def wait_for_port(host: str, port: int, timeout: float = 10.0):
+    for _ in range(int(timeout * 10)):
+        try:
+            with socket.create_connection((host, port), timeout=0.5):
+                return True
+        except (OSError, ConnectionRefusedError):
+            await asyncio.sleep(0.1)
+    raise TimeoutError(f"No se pudo conectar al servidor en {host}:{port}")
+
+class MCPServerRunner:
+    def __init__(self, server_script_path: str, python_path: str = "python"):
+        self.server_script_path = server_script_path
+        self.python_path = python_path
+        self.port: int = self._extraer_puerto()
+        self.process: subprocess.Popen | None = None
+
+    def _extraer_puerto(self) -> int:
+        contenido = Path(self.server_script_path).read_text(encoding="utf-8")
+        coincidencias = re.findall(r"port\s*=\s*(\d+)", contenido)
+        if not coincidencias:
+            raise ValueError(f"No se pudo detectar el puerto en {self.server_script_path}")
+        return int(coincidencias[0])
+
+    async def start(self):
+        if self.process is None or self.process.poll() is not None:
+            self.process = subprocess.Popen(
+                [self.python_path, self.server_script_path],
+                stdout=subprocess.PIPE,
+                stderr=subprocess.PIPE
+            )
+            await wait_for_port("127.0.0.1", self.port)
+            print(f"🟢 Servidor MCP iniciado en puerto {self.port}")
+
+    async def stop(self):
+        if self.process and self.process.poll() is None:
+            self.process.terminate()
+            try:
+                self.process.wait(timeout=5)
+            except subprocess.TimeoutExpired:
+                self.process.kill()
+            print("🔴 Servidor MCP detenido")