Track bundled vendor runtime sources

vendor/Agent-Reach/agent_reach/utils/process.py

@@ -0,0 +1,26 @@
+"""Subprocess helpers for consistent cross-platform text handling."""
+
+from __future__ import annotations
+
+import os
+from collections.abc import Mapping
+
+UTF8_ENV = {
+    "PYTHONUTF8": "1",
+    "PYTHONIOENCODING": "utf-8",
+}
+
+
+def utf8_subprocess_env(base: Mapping[str, str] | None = None) -> dict[str, str]:
+    """Return an environment that forces Python child processes into UTF-8 mode."""
+    env = dict(base or os.environ)
+    env.update(UTF8_ENV)
+    return env
+
+
+def mcporter_utf8_env_args() -> list[str]:
+    """Return mcporter --env arguments for UTF-8 Python stdio servers."""
+    args = []
+    for key, value in UTF8_ENV.items():
+        args.extend(["--env", f"{key}={value}"])
+    return args