1 files changed, 19 insertions, 0 deletions
diff --git a/packages/meshbay-node/src/meshbay_node/platform.py b/packages/meshbay-node/src/meshbay_node/platform.py
index bc48169..4bd8e35 100644
--- a/packages/meshbay-node/src/meshbay_node/platform.py
+++ b/packages/meshbay-node/src/meshbay_node/platform.py
@@ -1,10 +1,29 @@
 """Platform-specific paths and tool resolution for meshbay-node."""
 
+import asyncio
 import os
 import shutil
 import sys
 from pathlib import Path
 
+# ── Event loop ───────────────────────────────────────────────────────────────
+
+
+def use_compatible_event_loop() -> None:
+    """
+    aiortc's ICE stack (aioice) does not run on Windows' default
+    ProactorEventLoop — a DataChannel handshake never completes and the
+    connection hangs. Select the SelectorEventLoop before the loop is created.
+
+    Cost: SelectorEventLoop cannot spawn subprocesses on Windows, so ffmpeg
+    streaming (asyncio.create_subprocess_exec in webrtc_server.py) does not work
+    under it. The video path needs a thread-based runner on Windows — tracked
+    for the port. No effect off Windows.
+    """
+    if sys.platform == "win32":
+        asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
+
+
 # ── Directories ──────────────────────────────────────────────────────────────