feat(bridge): add wifi/serial bridge runtime and UI

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_update_groups.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+"""Tests for pushing group membership to all ESP-NOW devices."""
+
+import asyncio
+import sys
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[1]
+sys.path.insert(0, str(ROOT / "src"))
+
+
+def test_push_groups_all_espnow_devices(monkeypatch):
+    from util import espnow_registry
+
+    class _Devices:
+        def items(self):
+            return [
+                ("aabbccddeeff", {"transport": "espnow"}),
+                ("wifi-1", {"transport": "wifi", "address": "192.168.1.1"}),
+            ]
+
+    pushed = []
+
+    async def fake_push(mac):
+        pushed.append(mac)
+        return True
+
+    monkeypatch.setattr(espnow_registry, "Device", _Devices)
+    monkeypatch.setattr(espnow_registry, "push_groups_to_mac", fake_push)
+
+    result = asyncio.run(espnow_registry.push_groups_all_espnow_devices())
+    assert result["ok"] is True
+    assert result["sent"] == 1
+    assert result["total"] == 1
+    assert pushed == ["aabbccddeeff"]