Agent retries on connection loss, sends connection info (v4 v6) Uses system CA for mTLS. Removed server endpoints.

agent/config.example.json

@@ -1,6 +1,7 @@
 {
   "server_url": "https://keywarden.dev.ntbx.io/api/v1",
   "server_id": "4",
+  "server_ca_path": "",
   "sync_interval_seconds": 30,
   "log_batch_size": 500,
   "state_dir": "/var/lib/keywarden-agent",
@@ -11,4 +12,4 @@
     "create_home": true,
     "lock_on_revoke": true
   }
-}
+}