Merge PR #457: Use pywinpty for PTY support on Windows

Authored by shitcoinsherpa. Imports winpty.PtyProcess on Windows instead
of ptyprocess.PtyProcess, and adds platform markers to the [pty] extra
so the correct package is installed automatically.

pyproject.toml

@@ -46,7 +46,10 @@ cron = ["croniter"]
 slack = ["slack-bolt>=1.18.0", "slack-sdk>=3.27.0"]
 cli = ["simple-term-menu"]
 tts-premium = ["elevenlabs"]
-pty = ["ptyprocess>=0.7.0"]
+pty = [
+  "ptyprocess>=0.7.0; sys_platform != 'win32'",
+  "pywinpty>=2.0.0; sys_platform == 'win32'",
+]
 honcho = ["honcho-ai>=2.0.1"]
 mcp = ["mcp>=1.2.0"]
 homeassistant = ["aiohttp>=3.9.0"]

tools/process_registry.py

@@ -148,11 +148,14 @@ class ProcessRegistry:
         if use_pty:
             # Try PTY mode for interactive CLI tools
             try:
-                import ptyprocess
+                if _IS_WINDOWS:
+                    from winpty import PtyProcess as _PtyProcessCls
+                else:
+                    from ptyprocess import PtyProcess as _PtyProcessCls
                 user_shell = _find_shell()
                 pty_env = os.environ | (env_vars or {})
                 pty_env["PYTHONUNBUFFERED"] = "1"
-                pty_proc = ptyprocess.PtyProcess.spawn(
+                pty_proc = _PtyProcessCls.spawn(
                     [user_shell, "-lic", command],
                     cwd=session.cwd,
                     env=pty_env,