chore: quiet aiohttp per-request access log

Every HTTP request logged an INFO line via aiohttp's access logger,
drowning out the bridge's own logs given the frontend's 2s poll
interval. Raised the aiohttp.access logger threshold to WARNING.

kobrax_moonraker_bridge.py

@@ -134,6 +134,10 @@ logging.basicConfig(level=logging.INFO,
                     format="[%(asctime)s] %(levelname)-5s %(name)s: %(message)s",
                     datefmt="%H:%M:%S")
 log = logging.getLogger("bridge")
+# aiohttp logs one INFO line per HTTP request (access log) — with 2s frontend
+# polling that drowns out the bridge's own logs. Raise its own threshold so
+# only WARNING+ (actual problems) surface at the default log level.
+logging.getLogger("aiohttp.access").setLevel(logging.WARNING)
 
 # Web UI: subdirectory under web/themes/<name>/index.html
 _UI_THEME_NAME_RE = re.compile(r"^[a-zA-Z0-9][a-zA-Z0-9_-]{0,63}$")