support hypercorn server_names against dns rebind attacks, add cookie sessions to flash messages

src/capport/control/run.py

@@ -48,7 +48,7 @@ async def amain(config: capport.config.Config) -> None:
 
 
 def main() -> None:
-    config = capport.config.Config.load()
+    config = capport.config.Config.load_default_once()
     capport.utils.cli.init_logger(config)
     try:
         trio.run(amain, config)