Update meshcore_py and remove monkeypatch for serial frame start detection.

app/main.py

@@ -45,40 +45,6 @@ setup_logging()
 logger = logging.getLogger(__name__)
 
 
-def _install_meshcore_serial_junk_prefix_patch(serial_connection_cls=None) -> None:
-    """Make meshcore serial framing tolerant of leading junk bytes.
-
-    Some radios emit console/debug text on the same UART as the companion
-    protocol. The current meshcore serial parser searches for the frame start
-    marker but then incorrectly begins parsing at byte 0 of the chunk instead
-    of the located marker offset, which can drop valid response frames.
-
-    TODO: Remove this monkeypatch once meshcore_py includes the upstream fix:
-    https://github.com/meshcore-dev/meshcore_py/pull/67
-    """
-    if serial_connection_cls is None:
-        from meshcore.serial_cx import SerialConnection as serial_connection_cls
-
-    original_handle_rx = serial_connection_cls.handle_rx
-    if getattr(original_handle_rx, "_rtmesh_junk_prefix_patch", False):
-        return
-
-    def patched_handle_rx(self, data: bytearray):
-        if len(self.header) == 0:
-            idx = data.find(b"\x3e")
-            if idx < 0:
-                return
-            if idx > 0:
-                data = data[idx:]
-        return original_handle_rx(self, data)
-
-    patched_handle_rx._rtmesh_junk_prefix_patch = True
-    serial_connection_cls.handle_rx = patched_handle_rx
-
-
-_install_meshcore_serial_junk_prefix_patch()
-
-
 async def _startup_radio_connect_and_setup() -> None:
     """Connect/setup the radio in the background so HTTP serving can start immediately."""
     try: