Switch primary gateway from vega to nova

- Disabled vega gateway due to AWS UDP network issues
- Added nova gateway (Hetzner) as primary gateway
- Nova is listening on nova.locut.us:31337
- Tests confirm nova gateway works correctly while vega has network issues

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: sanity

hugo-site/static/keys/gateways.toml

@@ -1,8 +1,16 @@
+# Vega gateway temporarily disabled due to AWS UDP network issues
+#[[gateways]]
+#public_key = "keys/public.vega.gw.pem"
+#
+#[gateways.address]
+#hostname = "vega.locut.us:31337"
+
+# Nova gateway (Hetzner) - Primary gateway
 [[gateways]]
-public_key = "keys/public.vega.gw.pem"
+public_key = "keys/public.nova.gw.pem"
 
 [gateways.address]
-hostname = "vega.locut.us:31337"
+hostname = "nova.locut.us:31337"
 
 
 # Disable during testing to reduce noise

hugo-site/static/keys/public.nova.gw.pem

@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApygb7gGc6ZZy9xYDseQB
+QtvR/YowxikTe0d27UdMJxVHLWSfNVbCziilrs8Jdt/A613dpBbQuDOPoM17wmvJ
+jxrh3Qrh94+qxRA596sJTxAJbIKtP6ttoECxa622LG8nG/Z6Ab2E75/vJoKARZH6
+wAIQhy6CHm0/x8pFtVv81d3UxCeDxdMqqcZ1TfC1mzlAHLrNHQx2uHJBNVxN4FcJ
+Lq6M4niyedMmPk5YoywQ93F9pMzJl0Vl/8Avyj6s+i97Zg4JRATqiNkqJKVeXrOf
+ycq1w5OstuBQnRGydDAL/pwO49gji8pr3XBvbG4W7tzHF/cVZZEKjBl8E9BmjiHA
+LwIDAQAB
+-----END PUBLIC KEY-----