fix(windows): guard fcntl/termios import + add __main__.py launcher

hermes_cli/__main__.py

@@ -0,0 +1,11 @@
+#!/usr/bin/env python3
+"""
+Hermes Agent CLI launcher.
+
+This wrapper should behave like the installed `hermes` command, including
+subcommands such as `gateway`, `cron`, and `doctor`.
+"""
+
+if __name__ == "__main__":
+    from hermes_cli.main import main
+    main()

hermes_cli/pty_bridge.py

@@ -26,16 +26,28 @@
 from __future__ import annotations
 
 import errno
-import fcntl
 import os
 import select
 import signal
 import struct
 import sys
-import termios
 import time
 from typing import Optional, Sequence
 
+# fcntl and termios are POSIX-only. The module guards PTY operations on
+# `_PTY_AVAILABLE` and raises `PtyUnavailableError` at instantiation time,
+# so the import just needs to succeed on Windows. Without this guard, any
+# command that triggers web_server.py (which imports pty_bridge
+# unconditionally) crashes at module-load time on native Windows Python.
+try:
+    import fcntl
+    import termios
+    _UNIX_TERMIO_AVAILABLE = True
+except ImportError:  # Windows
+    fcntl = None  # type: ignore
+    termios = None  # type: ignore
+    _UNIX_TERMIO_AVAILABLE = False
+
 try:
     import ptyprocess  # type: ignore
     _PTY_AVAILABLE = not sys.platform.startswith("win")