refactor: remove all inline comments from code

app/main.py

@@ -1,5 +1,3 @@
-"""FastAPI application factory and entry point."""
-
 from contextlib import asynccontextmanager
 
 import uvicorn
@@ -11,32 +9,18 @@ from app.core.config import settings
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
-    """Application lifespan manager for startup/shutdown events."""
-    # Startup: initialize DB connections, cache, etc.
     yield
-    # Shutdown: cleanup resources
 
 
 def app_factory() -> FastAPI:
-    """Create and configure FastAPI application instance.
-
-    Returns:
-        Configured FastAPI application.
-    """
     app = FastAPI(title=settings.app_name, debug=settings.debug, lifespan=lifespan)
 
-    # Register exception handlers
     register_exception_handlers(app)
 
-    # Register routers (when added)
-    # from app.api.v1.router import api_router
-    # app.include_router(api_router, prefix="/api/v1")
-
     return app
 
 
 def main():
-    """Run the application with uvicorn server."""
     uvicorn.run(app_factory, factory=True, host=settings.host, port=settings.port)