Migrate pre-1.6 DEVMODE to fastapi_vue.env with in-place patching, run uv sync after dependency changes.

template/backend/app.py

@@ -4,11 +4,11 @@ from collections.abc import AsyncGenerator
 from contextlib import asynccontextmanager
 from pathlib import Path
 
-import fastapi_vue
 from fastapi import FastAPI
+from fastapi_vue import Frontend, env
 
 # Vue Frontend static files
-frontend = fastapi_vue.Frontend(Path(__file__).with_name("frontend-build"))
+frontend = Frontend(Path(__file__).with_name("frontend-build"))
 
 
 @asynccontextmanager
@@ -18,7 +18,7 @@ async def lifespan(_app: FastAPI) -> AsyncGenerator:
     yield
 
 
-app = FastAPI(title="PROJECT_TITLE", debug=fastapi_vue.env.dev, lifespan=lifespan)
+app = FastAPI(title="PROJECT_TITLE", debug=env.dev, lifespan=lifespan)
 
 
 # Add API routes here...