fix(keenetic): preserve URL scheme/ports and IPv4 polling

Use web_url scheme and host:port for API base URL instead of
forcing https. Force IPv4 in aiohttp to avoid IPv6 hangs on
KeenDNS. Sync canonical 24-router list with Russian names.

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

scripts/quick_auth_check.py

@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+"""Fast auth-only check for all routers (no RCI batch)."""
+import asyncio
+import json
+import sys
+from pathlib import Path
+
+sys.path.insert(0, str(Path(__file__).resolve().parents[1]))
+from server.services.keenetic_client import KeeneticClient
+
+DATA = Path("/opt/vps-monitoring/data/keenetic.json")
+
+
+async def one(dev):
+    c = KeeneticClient(
+        host=dev.get("host", ""),
+        login=dev.get("login", "admin"),
+        password=dev.get("password", ""),
+        web_url=dev.get("web_url", ""),
+    )
+    try:
+        ok = await c.authenticate()
+        if ok:
+            return "ONLINE"
+        return f"OFFLINE: {c.last_error}"
+    except Exception as e:
+        return f"ERR: {e}"
+    finally:
+        await c.close()
+
+
+async def main():
+    with open(DATA) as f:
+        devices = json.load(f)
+    online = 0
+    for d in devices:
+        r = await one(d)
+        if r == "ONLINE":
+            online += 1
+        name = d["name"]
+        url = d.get("web_url", "")
+        print(f"{name:28} {r:40} {url}")
+        await asyncio.sleep(0.3)
+    print(f"\nTotal: {online}/{len(devices)} ONLINE")
+
+
+if __name__ == "__main__":
+    asyncio.run(main())