Fix UniFi OS authentication and simplify server architecture

- Use /api/auth/login for UniFi OS controllers (UDM, Cloud Gateway)
- Use /api/login for standalone controllers
- Refactor to use FastMCP's native mcp.run() with custom_route for /health
- Switch to network_mode: host for local network access
- Include README.md in Dockerfile for hatchling build

server.py

@@ -11,18 +11,14 @@ Following the BLUEPRINT.md pattern:
 - Starlette wrapper with health endpoint
 """
 
-import asyncio
 import json
 import logging
 import os
-from contextlib import asynccontextmanager
-from typing import Any, Optional
+from typing import Optional
 
 from dotenv import load_dotenv
 from fastmcp import FastMCP
-from starlette.applications import Starlette
 from starlette.responses import JSONResponse
-from starlette.routing import Mount, Route
 
 from api_docs import get_api_docs
 from unifi_client import UnifiClient, UnifiClientError, UnifiWriteBlockedError
@@ -355,11 +351,14 @@ async def unifi_api_call(
 
 
 # =============================================================================
-# Starlette Wrapper with Health Endpoint
+# Health Check Endpoint (using FastMCP custom_route)
 # =============================================================================
 
+from starlette.requests import Request
 
-async def health_endpoint(request) -> JSONResponse:
+
+@mcp.custom_route("/health", methods=["GET"])
+async def health_endpoint(request: Request) -> JSONResponse:
     """
     Health check endpoint for Docker/Kubernetes.
 
@@ -386,9 +385,8 @@ async def health_endpoint(request) -> JSONResponse:
         )
 
 
-@asynccontextmanager
-async def lifespan(app):
-    """Application lifespan manager."""
+def main():
+    """Entry point for the server."""
     logger.info("Starting UniFi MCP Light server...")
     logger.info(f"Controller: {CONFIG['host']}:{CONFIG['port']}")
     logger.info(f"Site: {CONFIG['site']}")
@@ -396,31 +394,8 @@ async def lifespan(app):
         f"Write operations: {'enabled' if CONFIG['allow_writes'] else 'disabled'}"
     )
 
-    yield
-
-    logger.info("Shutting down UniFi MCP Light server...")
-    await close_client()
-
-
-def create_app() -> Starlette:
-    """Create the Starlette ASGI application."""
-    mcp_app = mcp.http_app()
-
-    return Starlette(
-        routes=[
-            Route("/health", health_endpoint),
-            Mount("/", app=mcp_app),
-        ],
-        lifespan=lifespan,
-    )
-
-
-def main():
-    """Entry point for the server."""
-    import uvicorn
-
-    app = create_app()
-    uvicorn.run(app, host="0.0.0.0", port=8000)
+    # Run with HTTP transport - MCP endpoint at /mcp, health at /health
+    mcp.run(transport="http", host="0.0.0.0", port=8000)
 
 
 if __name__ == "__main__":